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Universidade do Rio Grande do Norte
1.
Sousa, ítalo Raimundo de.
Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
.
Degree: 2007, Universidade do Rio Grande do Norte
URL: http://repositorio.ufrn.br/handle/123456789/14865 
► A modeling of criterias and alternatives is through and applied a questionnaire based on method AHP to proprietors of gas stations. The considered alternatives had…
(more)
▼ A modeling of criterias and alternatives is through and applied a questionnaire based on method AHP to proprietors of
gas stations. The considered alternatives had been the maintenance of the current state with electric energy of the deliverer and the generation in small scale based on the
natural gas. The used criteria had been Cost of the Investment, Final Cost of the Energy, Operational cost, Ambient Benefits, Risk and Variation of Costs. The study it was carried through in the city of Natal, RN in ranks that make use of the
natural as for resale, where the generation alternative on the basis of the available
gas is present. The main results evidence in a dimension the viability of use of method AHP with questionnaire by means of validation of the judgments with analysis of variance beyond proper the normal mechanisms of analysis of consistency to the method. The main results of the analysis help to show that in this in case that the profile of models of criteria and judgments of the actors is similar, with the final evidence of that it has a dominance of the maintenance of the energy of the deliverer. The main criterion to influence this decision was the risk
Advisors/Committee Members: Ramos, Rubens Eugênio Barreto (advisor), CPF:00907736750 (advisor), http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4784139P6 (advisor).
Subjects/Keywords: Gas Natural;
Natural Gas
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APA (6th Edition):
Sousa, . R. d. (2007). Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
. (Thesis). Universidade do Rio Grande do Norte. Retrieved from http://repositorio.ufrn.br/handle/123456789/14865
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Sousa, ítalo Raimundo de. “Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
.” 2007. Thesis, Universidade do Rio Grande do Norte. Accessed March 04, 2021.
http://repositorio.ufrn.br/handle/123456789/14865.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Sousa, ítalo Raimundo de. “Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
.” 2007. Web. 04 Mar 2021.
Vancouver:
Sousa Rd. Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
. [Internet] [Thesis]. Universidade do Rio Grande do Norte; 2007. [cited 2021 Mar 04].
Available from: http://repositorio.ufrn.br/handle/123456789/14865.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Sousa Rd. Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de
combustíveis: um estudo de anális de decusão
usando o processo de hierarquia analítica AHP
. [Thesis]. Universidade do Rio Grande do Norte; 2007. Available from: http://repositorio.ufrn.br/handle/123456789/14865
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Rice University
2.
Sullivan, Jean.
AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES.
Degree: PhD, Engineering, 2011, Rice University
URL: http://hdl.handle.net/1911/63481
► The dynamics of propelling a pig through a natural gas pipeline, using the gas being transported, are analyzed. The gas flow is assumed to be…
(more)
▼ The dynamics of propelling a pig through a natural gas pipeline, using the gas being transported, are analyzed. The gas flow is assumed to be isothermal, quasi-steady, and one-dimensional. The pig is modeled as a cylinder. For the cases considered, the pig may either obstruct the pipe and allow no gas to flow past it, or may permit gas to flow through a concentric hole in the pig, through an annulus formed by the pig and the inside of the pipe, or through both. The governing equations which describe the motion of the pig and the flow of gas in the pipe are developed. These equations form a system of nonlinear differential equations which must be solved numerically. Time derivatives are replaced by backward differences, and at each time step a system of nonlinear algebraic equations is solved. A FORTRAN program is included which solves for the important gas flow parameters and the position, velocity, and acceleration of the pig as it moves through the line.
ii
iii
Such a quantitative analysis provides a basis for pig design which could be applied to regulate pig velocities or to increase gas flow rates while the pig is in the line.
Subjects/Keywords: Natural gas
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APA (6th Edition):
Sullivan, J. (2011). AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES. (Doctoral Dissertation). Rice University. Retrieved from http://hdl.handle.net/1911/63481
Chicago Manual of Style (16th Edition):
Sullivan, Jean. “AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES.” 2011. Doctoral Dissertation, Rice University. Accessed March 04, 2021.
http://hdl.handle.net/1911/63481.
MLA Handbook (7th Edition):
Sullivan, Jean. “AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES.” 2011. Web. 04 Mar 2021.
Vancouver:
Sullivan J. AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES. [Internet] [Doctoral dissertation]. Rice University; 2011. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/1911/63481.
Council of Science Editors:
Sullivan J. AN ANALYSIS OF THE MOTION OF PIGS THROUGH NATURAL GAS PIPELINES. [Doctoral Dissertation]. Rice University; 2011. Available from: http://hdl.handle.net/1911/63481
University of Oklahoma
3.
Bond, Michael A.
AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS.
Degree: PhD, 2013, University of Oklahoma
URL: http://hdl.handle.net/11244/319046
Then, using numerical data, the three approaches are tested, analyzed and compared statistically and graphically along with computer performance information. The best approach provides a tool for optimizing profits and offers planners an advantage over approaches that are solely history-based.
Advisors/Committee Members: Grant, Floyd H (advisor).Subjects/Keywords: Natural gas
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APA (6th Edition):
Bond, M. A. (2013). AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS. (Doctoral Dissertation). University of Oklahoma. Retrieved from http://hdl.handle.net/11244/319046
Chicago Manual of Style (16th Edition):
Bond, Michael A. “AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS.” 2013. Doctoral Dissertation, University of Oklahoma. Accessed March 04, 2021.
http://hdl.handle.net/11244/319046.
MLA Handbook (7th Edition):
Bond, Michael A. “AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS.” 2013. Web. 04 Mar 2021.
Vancouver:
Bond MA. AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS. [Internet] [Doctoral dissertation]. University of Oklahoma; 2013. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/11244/319046.
Council of Science Editors:
Bond MA. AN EXAMINATION OF MULTIPLE OPTIMIZATION APPROACHES TO THE SCHEDULING OF MULTI-PERIOD MIXED-BTU NATURAL GAS PRODUCTS. [Doctoral Dissertation]. University of Oklahoma; 2013. Available from: http://hdl.handle.net/11244/319046
4.
Ítalo Raimundo de Sousa.
Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP.
Degree: 2007, Universidade Federal do Rio Grande do Norte
URL: http://bdtd.bczm.ufrn.br/tedesimplificado//tde_busca/arquivo.php?codArquivo=1456
► Esta Dissertação de Mestrado realiza uma aplicação do método de Processo de Hierarquia Analítica (Analytical Hierarchy Process AHP) na análise de decisão da adoção de…
(more)
▼ Esta Dissertação de Mestrado realiza uma aplicação do método de Processo de Hierarquia Analítica (Analytical Hierarchy Process AHP) na análise de decisão da adoção de geração própria em pequena escala de energia elétrica com base no Gás Natural. É realizada uma modelagem de critérios e alternativas e aplicado um questionário baseado no método AHP a proprietários de postos de gasolina. As alternativas consideradas foram a manutenção do estado atual com energia elétrica da distribuidora e a geração em pequena escala baseada no gás natural. Os critérios utilizados foram Custo do Investimento, Custo Final da Energia, Custo Operacional, Benefícios Ambientais, Risco de Variação de Custos. O estudo foi realizado na cidade de Natal, RN em postos que dispõem do gás natural para revenda, onde a alternativa de geração com base no gás disponível está presente. Os principais resultados evidenciam em uma dimensão a viabilidade de uso do método AHP com questionário mediante validação dos julgamentos com análise de variância além dos mecanismos normais de análise de consistência próprios ao método, e em outra a contribuição da abordagem de análise multicritério para tornar mais claro os julgamentos. Os principais resultados da análise ajudam a mostrar que nesse caso o perfil de modelos de critérios e julgamentos dos atores é semelhante, com a evidência final de que há dominância da manutenção da energia da distribuidora. O principal critério a influenciar esta decisão foi o risco
A modeling of criterias and alternatives is through and applied a questionnaire based on method AHP to proprietors of gas stations. The considered alternatives had been the maintenance of the current state with electric energy of the deliverer and the generation in small scale based on the natural gas. The used criteria had been Cost of the Investment, Final Cost of the Energy, Operational cost, Ambient Benefits, Risk and Variation of Costs. The study it was carried through in the city of Natal, RN in ranks that make use of the natural as for resale, where the generation alternative on the basis of the available gas is present. The main results evidence in a dimension the viability of use of method AHP with questionnaire by means of validation of the judgments with analysis of variance beyond proper the normal mechanisms of analysis of consistency to the method. The main results of the analysis help to show that in this in case that the profile of models of criteria and judgments of the actors is similar, with the final evidence of that it has a dominance of the maintenance of the energy of the deliverer. The main criterion to influence this decision was the risk
Advisors/Committee Members: Sérgio Marques Júnior, Rubens Eugênio Barreto Ramos, Renato Samuel Barbosa de Araújo.
Subjects/Keywords: Natural Gas; Gas Natural; ENGENHARIA ELETRICA
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APA ·
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APA (6th Edition):
Sousa, . R. d. (2007). Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP. (Thesis). Universidade Federal do Rio Grande do Norte. Retrieved from http://bdtd.bczm.ufrn.br/tedesimplificado//tde_busca/arquivo.php?codArquivo=1456
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Sousa, Ítalo Raimundo de. “Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP.” 2007. Thesis, Universidade Federal do Rio Grande do Norte. Accessed March 04, 2021.
http://bdtd.bczm.ufrn.br/tedesimplificado//tde_busca/arquivo.php?codArquivo=1456.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Sousa, Ítalo Raimundo de. “Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP.” 2007. Web. 04 Mar 2021.
Vancouver:
Sousa Rd. Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP. [Internet] [Thesis]. Universidade Federal do Rio Grande do Norte; 2007. [cited 2021 Mar 04].
Available from: http://bdtd.bczm.ufrn.br/tedesimplificado//tde_busca/arquivo.php?codArquivo=1456.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Sousa Rd. Fatores de decisão da adoção do gás natural na geração de energia elétrica em pequena escala em postos de combustíveis: um estudo de anális de decusão usando o processo de hierarquia analítica AHP. [Thesis]. Universidade Federal do Rio Grande do Norte; 2007. Available from: http://bdtd.bczm.ufrn.br/tedesimplificado//tde_busca/arquivo.php?codArquivo=1456
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universidad de Valladolid
5.
García Gallegos, Jaime.
A comparative study of traditional and novel humidity sensing technologies in natural gas.
Degree: 2017, Universidad de Valladolid
URL: http://uvadoc.uva.es/handle/10324/25716
► This thesis was carried out inside of the temperature and humidity laboratory (LabTH) of the Instituto Nacional de Técnica Aeroespacial (INTA), which is the Spanish…
(more)
▼ This thesis was carried out inside of the temperature and humidity laboratory (LabTH) of the Instituto Nacional de Técnica Aeroespacial (INTA), which is the Spanish Designated Institute (DI) for the field of humidity and, therefore, holder of the national standards in such quantity. Among many other duties of a DI are to promote and participate in national and international R&D projects whose goals set were in line with those scored in the last European Roadmaps for the hygrometry field, for this particular case. For these reasons, and as a part of such participation in research projects, it is essential to emphasize that part of this thesis was developed inside of the framework of the joint research project “ENG01-Gas. Characterization of Energy Gases” which running under the European Metrology Research Program (EMRP), with the main target of supporting the natural gas industry to overcome its current big challenges. Moisture content is a key factor inside the natural gas (NG) industry. Not only does decrease the efficiency of the final product when the water content is high, but it can also trigger potentially dangerous conditions due to the formation of hydrates, that can block pipelines and damage pumping devices and produce other negative effects. For these reasons, accurate measurement and control of humidity is essential in all processing step of natural gas. However, current practice for such moisture measurements is for the devices to be calibrated at atmospheric pressure and in nitrogen or air as the matrix gas, conditions that vary significantly from those present in the actual industrial process, so their performance in real industrial conditions could be much smaller than expected and even insufficient. Besides, technologies traditionally used by NG industry, such us, condensation hygrometers and metal oxide capacitive probes, have some drawbacks that not always allow to measure and control humidity of NG with the accuracy and reliability desired.
Subjects/Keywords: Gas natural-Medición; Gas natural-Industria; Calibración
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APA (6th Edition):
García Gallegos, J. (2017). A comparative study of traditional and novel humidity sensing technologies in natural gas. (Thesis). Universidad de Valladolid. Retrieved from http://uvadoc.uva.es/handle/10324/25716
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
García Gallegos, Jaime. “A comparative study of traditional and novel humidity sensing technologies in natural gas.” 2017. Thesis, Universidad de Valladolid. Accessed March 04, 2021.
http://uvadoc.uva.es/handle/10324/25716.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
García Gallegos, Jaime. “A comparative study of traditional and novel humidity sensing technologies in natural gas.” 2017. Web. 04 Mar 2021.
Vancouver:
García Gallegos J. A comparative study of traditional and novel humidity sensing technologies in natural gas. [Internet] [Thesis]. Universidad de Valladolid; 2017. [cited 2021 Mar 04].
Available from: http://uvadoc.uva.es/handle/10324/25716.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
García Gallegos J. A comparative study of traditional and novel humidity sensing technologies in natural gas. [Thesis]. Universidad de Valladolid; 2017. Available from: http://uvadoc.uva.es/handle/10324/25716
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
6.
Andía Granadino, Aldo.
Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú.
Degree: Magíster en Regulación y Gestión de Servicios Públicos, Regulación y Gestión de Servicios Públicos, 2018, Universidad del Pacífico
URL: http://hdl.handle.net/11354/2025
► El acceso universal al gas natural es ahora una política de Estado impostergable porque se trata una herramienta más para la lucha contra la pobreza…
(more)
▼ El acceso universal al
gas natural es ahora una política de Estado impostergable porque se trata una herramienta más para la lucha contra la pobreza y el cuidado del medio ambiente. Esta política de Estado se ha visto reflejada en la emisión de una normativa específica que está orientada a promover la masificación del
gas natural al interior del país, con un criterio claro de inclusión social. En la actualidad ya están en marcha proyectos de inversión que tienen como objetivo impulsar este proceso de masificación, tales como las concesiones de transporte y distribución de
gas natural comprimido y licuefactado en diversas provincias. No obstante, el alcance de estas concesiones es limitado, lo que implica que las poblaciones ubicadas fuera de su ámbito de acción se verán impedidas de acceder a los beneficios del
gas natural en el corto y mediano plazo. Partiendo de estas premisas, el presente trabajo de investigación analizará si es competitivo suministrar
gas natural licuefactado en zonas aisladas del sur-oeste del Perú, donde el concesionario de transporte y distribución de
gas natural licuefactado no tiene previsto desarrollar infraestructura.
Advisors/Committee Members: Dammert Lira, Alfredo (advisor).
Subjects/Keywords: Gas natural; Gas natural – Distribución; Servicios públicos
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APA (6th Edition):
Andía Granadino, A. (2018). Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú. (Thesis). Universidad del Pacífico. Retrieved from http://hdl.handle.net/11354/2025
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Andía Granadino, Aldo. “Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú.” 2018. Thesis, Universidad del Pacífico. Accessed March 04, 2021.
http://hdl.handle.net/11354/2025.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Andía Granadino, Aldo. “Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú.” 2018. Web. 04 Mar 2021.
Vancouver:
Andía Granadino A. Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú. [Internet] [Thesis]. Universidad del Pacífico; 2018. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/11354/2025.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Andía Granadino A. Competitividad en el suministro de gas licuefactado en zonas aisladas del sur del Perú. [Thesis]. Universidad del Pacífico; 2018. Available from: http://hdl.handle.net/11354/2025
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
7.
Aybar Chávez, Víctor Alfredo.
Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I.
Degree: 2013, Universidad Nacional de Ingeniería
URL: http://cybertesis.uni.edu.pe/handle/uni/2625
► Los sistemas actuales de transporte y distribución de gas natural seco correspondientes al proyecto Camisea I mueven millones de pies cúbicos diarios de este hidrocarburo;…
(more)
▼ Los sistemas actuales de transporte y distribución de gas natural seco correspondientes al proyecto Camisea I mueven millones de pies cúbicos diarios de este hidrocarburo; su capacidad y confiabilidad operativa repercuten en el consumidor final. La operación o el funcionamiento adecuado de ellos permiten obtener un aprovechamiento eficiente de este recurso.
Esta tesis tiene como objetivo demostrar que, a través del control sobre determinados parámetros operativos (específicamente, valores de presión y flujos de consumo de gas en puntos clave del sistema), es posible obtener un funcionamiento eficiente de la red principal (representado por el consumo de combustible de las estaciones de compresión). Todo ello, garantizando el libre acceso de los usuarios y cumpliendo con las condiciones contractuales entre los miembros que conforman la cadena de valor del gas.
La metodología empleada consistió en desarrollar modelos matemáticos integrados de los sistemas de transporte y distribución de gas seco, a través del uso de ecuaciones fundamentales que gobiernan el funcionamiento de los fluidos compresibles; estos modelos incluyeron variables de tipo operativo y económico. Uno de estos modelos permite la manipulación de las variables independientes para calcular valores de consumos de combustibles totales, mientras que otro calcula directamente los valores óptimos de presión y flujo.
Como resultado final se logró demostrar que es posible obtener valores de presión y flujo demandado -técnica y normativamente factibles- que reducen al mínimo el consumo de combustible de las estaciones de compresión; esto, sin contravenir con los contratos suscritos entre concesionarios y clientes finales.
PALABRAS CLAVE: gas natural, transporte, distribución, optimización, modelo, costos mínimos, presión, flujo.
Current piping systems for transportation and distribution of dry natural gas in the Camisea I project, involve the movement of millions of cubic feet of natural gas daily. Their capacity and operational reliability affect the final consumers. Their adequate operation and performance allows obtaining an efficient use of this resource.
The objective of this thesis is to demonstrate that, through the control of certain operational parameters (specifically, values of pressure and flow of gas consumption in key points of the system), it's possible to get an efficient performance of the net (represented by users fuel consumption of the compressor stations). All of this, assumes free access of the users, and complying with contractual conditions among the members that conform the value chain of gas market.
The methodology used consists in developing integrated mathematical models for transportation and distribution systems of dry gas, through the use of fundamental equations that govern the performance of compressible fluids inside pipes; these models included variables of operative and economic type. One of the models allows the manipulation of independent variables to calculate values of total fuel consumption, while another…
Subjects/Keywords: Distribución de gas natural; Optimización; Gas Natural
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APA ·
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APA (6th Edition):
Aybar Chávez, V. A. (2013). Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I. (Thesis). Universidad Nacional de Ingeniería. Retrieved from http://cybertesis.uni.edu.pe/handle/uni/2625
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Aybar Chávez, Víctor Alfredo. “Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I.” 2013. Thesis, Universidad Nacional de Ingeniería. Accessed March 04, 2021.
http://cybertesis.uni.edu.pe/handle/uni/2625.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Aybar Chávez, Víctor Alfredo. “Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I.” 2013. Web. 04 Mar 2021.
Vancouver:
Aybar Chávez VA. Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I. [Internet] [Thesis]. Universidad Nacional de Ingeniería; 2013. [cited 2021 Mar 04].
Available from: http://cybertesis.uni.edu.pe/handle/uni/2625.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Aybar Chávez VA. Control de parámetros operativos para optimizar el funcionamiento de la red principal de transporte y de distribución de Gas Natural seco del proyecto Camisea I. [Thesis]. Universidad Nacional de Ingeniería; 2013. Available from: http://cybertesis.uni.edu.pe/handle/uni/2625
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universidad de Valladolid
8.
Hernández Gómez, Roberto.
Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids.
Degree: 2016, Universidad de Valladolid
URL: http://uvadoc.uva.es/handle/10324/22225
► The research developed in this PhD thesis aims at contributing to the development and introduction of new gaseous fuels from renewable sources in the European…
(more)
▼ The research developed in this PhD thesis aims at contributing to the development and introduction of new gaseous fuels from renewable sources in the European energetic mix through the thermodynamic characterization of mixtures containing the main components of these alternative fuels.
The work provides high accurate experimental (p, ρ, T) data of three (CH4 + He) binary mixtures with concentrations of (5, 10 y 50 mol-% He), a synthetic non-conventional gas mixture type CMM (coal mine methane) composed by ten components and containing 64 mol-% of methane and a synthetic biogas-like mixture composed by four components and containing 50 mol-% of methane. Nine isotherms between (240 y 400) K and up to 20 MPa of pressure were carried out for the (CH4 + He) binary mixtures, seven isotherms between (250 y 400) K and up to 15 MPa for the CMM mixture and six isotherms between (275 y 400) K and up to 20 MPa for the biogas-like mixture. The second and the third interaction virial coefficients for the (CH4 + He) binary mixtures were also estimated.
Subjects/Keywords: Termodinámica; Gas Natural
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APA (6th Edition):
Hernández Gómez, R. (2016). Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids. (Thesis). Universidad de Valladolid. Retrieved from http://uvadoc.uva.es/handle/10324/22225
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hernández Gómez, Roberto. “Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids.” 2016. Thesis, Universidad de Valladolid. Accessed March 04, 2021.
http://uvadoc.uva.es/handle/10324/22225.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hernández Gómez, Roberto. “Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids.” 2016. Web. 04 Mar 2021.
Vancouver:
Hernández Gómez R. Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids. [Internet] [Thesis]. Universidad de Valladolid; 2016. [cited 2021 Mar 04].
Available from: http://uvadoc.uva.es/handle/10324/22225.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hernández Gómez R. Thermodynamic characterization of Gas Mixtures to introduce alternative gas fuels in the natural gas grids. [Thesis]. Universidad de Valladolid; 2016. Available from: http://uvadoc.uva.es/handle/10324/22225
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
9.
Romero Gómez, Manuel.
Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
.
Degree: 2014, Universidad da Coruña
URL: http://hdl.handle.net/2183/12371
► [Resumen] El proceso de regasificación del gas natural licuado (GNL) es una fuente de exergía susceptible de ser recuperada. Esta exergía disponible del GNL tiene…
(more)
▼ [Resumen] El proceso de regasificación del
gas natural licuado (GNL) es una fuente de exergía
susceptible de ser recuperada. Esta exergía disponible del GNL tiene su origen en la
baja temperatura que posee el
gas natural (GN) cuando se licua, para facilitar su
transporte y almacenamiento. Para su distribución final hacia los consumidores, el
GNL debe ser regasificado. En la regasificación mediante los sistemas convencionales,
sea mediante intercambiadores de calor con agua de mar o vaporizadores de
combustión sumergida, esta exergía disponible se libera sin realizar un
aprovechamiento exergético.
Esta tesis se centra en el estudio del aprovechamiento de la exergía liberada por el
GNL durante su proceso de regasificación, para mejorar la eficiencia de las plantas
térmicas.
Se revisan los diferentes ciclos termodinámicos que explotan la exergía del GNL y se
analiza el proceso de regasificación, para determinar la exergía disponible del GNL y
la que se puede recuperar. Lo anterior tiene como objetivo proponer nuevas
configuraciones de plantas térmicas de elevada eficiencia mediante el aprovechamiento
exergético del GNL.
Las plantas propuestas son modelizadas termodinámicamente y analizadas con el
software EES (Engineering Equation Solver) para realizar un análisis paramétrico y
optimizarlas bajo el punto de vista de la eficiencia. Las plantas tratadas se basan en el
ciclo Brayton cerrado, en la asociación en serie de ciclos Brayton y Rankine y en
plantas que permiten la captación de CO2.
Advisors/Committee Members: Ferreiro García, Ramón (advisor), Carbia Carril, José (advisor).
Subjects/Keywords: Gas natural licuado
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APA (6th Edition):
Romero Gómez, M. (2014). Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
. (Doctoral Dissertation). Universidad da Coruña. Retrieved from http://hdl.handle.net/2183/12371
Chicago Manual of Style (16th Edition):
Romero Gómez, Manuel. “Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
.” 2014. Doctoral Dissertation, Universidad da Coruña. Accessed March 04, 2021.
http://hdl.handle.net/2183/12371.
MLA Handbook (7th Edition):
Romero Gómez, Manuel. “Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
.” 2014. Web. 04 Mar 2021.
Vancouver:
Romero Gómez M. Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
. [Internet] [Doctoral dissertation]. Universidad da Coruña; 2014. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/2183/12371.
Council of Science Editors:
Romero Gómez M. Ciclos térmicos para mejorar la eficiencia en la regasificación del gas natural licuado
. [Doctoral Dissertation]. Universidad da Coruña; 2014. Available from: http://hdl.handle.net/2183/12371
University of Texas – Austin
10.
Hazlett, Ryan.
Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity.
Degree: Master of Public Affairs, Public Affairs, 2013, University of Texas – Austin
URL: http://hdl.handle.net/2152/22638
► Over the past decade, public concerns have grown over America's energy use and production. Pushes towards more environmentally friendly and sustainable sources of energy have…
(more)
▼ Over the past decade, public concerns have grown over America's energy use and production. Pushes towards more environmentally friendly and sustainable sources of energy have moved out of fringe politics and into mainstream political discourse. Advances in drilling technology and increased exploration of shale
gas plays have made
natural gas more available and accessible. The abundance of
natural gas has led to its growing role in the U.S. electric production and has provided the United States with an opportunity to become a net exporter of energy in the near future.
The availability of
natural gas, coupled with uncertainty in the liquid petroleum market, has prompted stakeholders to search out additional uses for this low-cost energy source. The result has been a large-scale effort to encourage the use of
natural gas-based fuel within the trucking industry. Commercial long-haul trucks and truck fleets are a
v
prime target of these efforts. The number of
natural gas fueling stations around the country is increasing, and there are growing investments in new technologies and government incentives to retrofit and upgrade the nation's trucking fleet, making the logistics of a large-scale switch from a liquid petroleum-based fuel to
natural gas much less complicated.
Through a detailed analysis of
natural gas trucks, fueling infrastructure, and case studies this report seeks to reach conclusions over the role
natural gas vehicles (NGVs) should play in the future U.S. transportation system. Chapter 1 provides a brief introduction to
natural gas. Chapter 2 discusses the current state of
natural gas in the United States. Chapter 3 provides an overview of
natural gas vehicle and infrastructure technology. Chapter 4 discusses marketplace NGV adoption factors. Chapter 5 deals with benefits of adoption and policy options for expansion of NGVs. Chapter 6 provides an overview of current federal, state and local policies and incentives. Chapter 7 discusses barriers and opportunities for NGV adoption. The report synthesizes and concludes that
natural gas trucking offers the U.S. a cheaper alternative to liquid petroleum while promoting environmental sustainability and economic prosperity.
Advisors/Committee Members: Boske, Leigh B. (advisor).
Subjects/Keywords: Natural gas; Natural gas vehicles; Natural gas fueling infrastructure; Natural gas policy
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APA (6th Edition):
Hazlett, R. (2013). Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity. (Masters Thesis). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/22638
Chicago Manual of Style (16th Edition):
Hazlett, Ryan. “Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity.” 2013. Masters Thesis, University of Texas – Austin. Accessed March 04, 2021.
http://hdl.handle.net/2152/22638.
MLA Handbook (7th Edition):
Hazlett, Ryan. “Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity.” 2013. Web. 04 Mar 2021.
Vancouver:
Hazlett R. Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity. [Internet] [Masters thesis]. University of Texas – Austin; 2013. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/2152/22638.
Council of Science Editors:
Hazlett R. Examining the market potential for natural-gas-powered trucks : barriers and opportunities for promoting environmental sustainability and economic prosperity. [Masters Thesis]. University of Texas – Austin; 2013. Available from: http://hdl.handle.net/2152/22638
11.
Rojas Milla, Pedro César.
Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú.
Degree: Magíster en Economía, Economía, 2018, Universidad del Pacífico
URL: http://hdl.handle.net/11354/2150
► En el presente trabajo se determina el tipo de competencia espacial (Löschian, Hotelling-Smithies y Greenhut-Ohta) bajo el cual operan los gasocentros en Lima Metropolitana y…
(more)
▼ En el presente trabajo se determina el tipo de competencia espacial (Löschian, Hotelling-Smithies y Greenhut-Ohta) bajo el cual operan los gasocentros en Lima Metropolitana y Callao durante el periodo 2011-2015, utilizando el enfoque de variaciones conjeturales planteado por Capozza y Van Order (1978). A partir de ello, se analiza la existencia de comportamientos colusorios o competitivos en dos niveles: en Lima Metropolitana y Callao y en submercados o mercados locales creados dentro de esta región. La base de datos contiene información de 234 gasocentros (4.264 observaciones) y la estimación se realiza utilizando el Método Generalizado de Momentos (GMM). Los resultados muestran que, si bien no es posible determinar el tipo de competencia espacial para todo el mercado de Lima Metropolitana y Callao, sí es posible hacerlo para algunos de sus mercados locales. El análisis realizado sugiere que 2 mercados locales se comportarían a lo Löschian; 1 a lo Hotelling-Smithies y 1 a lo Greenhut-Ohta.
Advisors/Committee Members: Vásquez Cordano, Arturo (advisor).
Subjects/Keywords: Gas natural; Industria del gas; Economía
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APA (6th Edition):
Rojas Milla, P. C. (2018). Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú. (Thesis). Universidad del Pacífico. Retrieved from http://hdl.handle.net/11354/2150
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Rojas Milla, Pedro César. “Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú.” 2018. Thesis, Universidad del Pacífico. Accessed March 04, 2021.
http://hdl.handle.net/11354/2150.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Rojas Milla, Pedro César. “Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú.” 2018. Web. 04 Mar 2021.
Vancouver:
Rojas Milla PC. Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú. [Internet] [Thesis]. Universidad del Pacífico; 2018. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/11354/2150.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Rojas Milla PC. Modelo de competencia espacial: una aplicación al mercado retail del GNV en el Perú. [Thesis]. Universidad del Pacífico; 2018. Available from: http://hdl.handle.net/11354/2150
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Montana State University
12.
Avalos, Roger George.
Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration.
Degree: MS, College of Agriculture, 2012, Montana State University
URL: https://scholarworks.montana.edu/xmlui/handle/1/855
► Natural gas markets in the United States depend on an extensive network of pipelines to transport gas from production fields to end users. While these…
(more)
▼ Natural gas markets in the United States depend on an extensive network of pipelines to transport
gas from production fields to end users. While these pipelines are essential for the operation of
natural gas markets, their capacity sets a physical limit on the quantity of
gas that can be moved between regions. Taking advantage of a rich data set of daily pipeline capacities and flows, this thesis tests the effects of binding pipeline constraints directly. It is found that these constraints affect the citygate prices for the Florida and Southern California markets. The Law of One Price is tested using cointegration techniques and found to hold when pipeline flows are not constrained, and break down during constrained periods. It is also shown that cointegration techniques may not identify bottlenecks between regions when bottlenecks are not severe, or when they only occur for limited periods of time. Contrary to earlier results, Southern California markets are found to be integrated with the national market. Cointegration tests using data from 14 market points suggest that regional wholesale
natural gas markets in the United States are generally integrated into a national market.
Advisors/Committee Members: Chairperson, Graduate Committee: Randal R. Rucker. (advisor).
Subjects/Keywords: Natural gas.; Pipelines.; Gas.; Energy industries.; Pricing.
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APA (6th Edition):
Avalos, R. G. (2012). Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration. (Masters Thesis). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/855
Chicago Manual of Style (16th Edition):
Avalos, Roger George. “Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration.” 2012. Masters Thesis, Montana State University. Accessed March 04, 2021.
https://scholarworks.montana.edu/xmlui/handle/1/855.
MLA Handbook (7th Edition):
Avalos, Roger George. “Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration.” 2012. Web. 04 Mar 2021.
Vancouver:
Avalos RG. Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration. [Internet] [Masters thesis]. Montana State University; 2012. [cited 2021 Mar 04].
Available from: https://scholarworks.montana.edu/xmlui/handle/1/855.
Council of Science Editors:
Avalos RG. Pipeline constraints in wholesale natural gas markets : effects on regional pricing and market integration. [Masters Thesis]. Montana State University; 2012. Available from: https://scholarworks.montana.edu/xmlui/handle/1/855
University of Utah
13.
Zhao, Nan.
Integration of reservoir simulation and geomechanics.
Degree: PhD, Chemical Engineering, 2012, University of Utah
URL: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/1109/rec/1380
► Fluid production from tight and shale gas formations has increased significantly, and this unconventional portfolio of low-permeability reservoirs accounts for more than half of the…
(more)
▼ Fluid production from tight and shale gas formations has increased significantly, and this unconventional portfolio of low-permeability reservoirs accounts for more than half of the gas produced in the United States. Stimulation and hydraulic fracturing are critical in making these systems productive, and hence it is important to understand the mechanics of the reservoir. When modeling fractured reservoirs using discrete-fracture network representation, the geomechanical effects are expected to have a significant impact on important reservoir characteristics. It has become more accepted that fracture growth, particularly in naturally fractured reservoirs with extremely low permeability, cannot be reliably represented by conventional planar representations. Characterizing the evolution of multiple,nonplanar, interconnected and possibly nonvertical hydraulic fractures requires hydraulic and mechanical characterization of the matrix, as well as existing latent or healed fracture networks. To solve these challenging problems, a reservoir simulator (Advanced ReactiveTransport Simulator (ARTS)) capable of performing unconventional reservoir simulation is developed in this research work. A geomechanical model has been incorporated into the simulation framework with various coupling schemes and this model is used to understandthe geomechanical effects in unconventional oil and gas recovery. This development allows ARTS to accept geomechanical information from external geomechanical simulators (soft coupling) or the solution of the geomechanical coupled problem (hard coupling). An iterative solution method of the flow and geomechanical equations has been used in implementing thehard coupling scheme. The hard coupling schemes were verified using one-dimensional and two-dimensional analytical solutions. The new reservoir simulator is applied to learn the influence of geomechanical impact on unconventional oil and gas production in a number ofpractical recovery scenarios. A commercial simulator called 3DEC was the geomechanical simulator used in soft coupling. In a naturally fractured reservoir, considering geomechanics may lead to an increase or decrease in production depending on the relationship between the reservoir petrophysical properties and mechanics. Combining geomechanics and flow inmultiphase flow settings showed that production decrease could be caused by a combination of fracture contraction and water blockage. The concept of geomechanical coupling was illustrated with a complex naturally fractured system containing 44 fractures. Development of the generalized framework, being able to study multiphase flow reservoir processes withcoupled geomechanics, and understanding of complex phenomena such as water blocks are the major outcomes from this research. These new tools will help in creating strategies for efficient and sustainable production of fluids from unconventional resources.
Subjects/Keywords: Geomechanics; Reservoir simulation; Natural gas
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zhao, N. (2012). Integration of reservoir simulation and geomechanics. (Doctoral Dissertation). University of Utah. Retrieved from http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/1109/rec/1380
Chicago Manual of Style (16th Edition):
Zhao, Nan. “Integration of reservoir simulation and geomechanics.” 2012. Doctoral Dissertation, University of Utah. Accessed March 04, 2021.
http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/1109/rec/1380.
MLA Handbook (7th Edition):
Zhao, Nan. “Integration of reservoir simulation and geomechanics.” 2012. Web. 04 Mar 2021.
Vancouver:
Zhao N. Integration of reservoir simulation and geomechanics. [Internet] [Doctoral dissertation]. University of Utah; 2012. [cited 2021 Mar 04].
Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/1109/rec/1380.
Council of Science Editors:
Zhao N. Integration of reservoir simulation and geomechanics. [Doctoral Dissertation]. University of Utah; 2012. Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/1109/rec/1380
University of Alberta
14.
Shafie, Amir Hossein.
Gas Separation Membranes Using Cementitious-Zeolite
Composite.
Degree: MS, Department of Chemical and Materials
Engineering, 2011, University of Alberta
URL: https://era.library.ualberta.ca/files/5q47rp173
► Natural zeolite-based membranes have recently shown promise in the separation of H2 from CO2 and hydrocarbons. However, these highly dense, naturally monolithic materials can suffer…
(more)
▼ Natural zeolite-based membranes have recently shown
promise in the separation of H2 from CO2 and hydrocarbons. However,
these highly dense, naturally monolithic materials can suffer
defects which disrupt the continuity of the zeolite micropores and
create leak paths through the membrane. Cement materials were
explored as a component to generate mixed-matrix zeolite membranes.
The ability for cement to intergrow between the zeolite particles
promised to, under proper conditions, provide a smooth non-boundary
interface with the zeolite particles and eliminate interparticle
voids. The influence of zeolite contents in the composite
membranes, operating pressures and temperatures on the performance
of the membranes were examined. Gas permeation results show a
hydrogen permeance of 4.1 × 10-8 mol.m-2.s-1.Pa-1 a CO2 permeance
of 1.6 × 10-9 mol.m-2.s-1.Pa-1 and a H2/CO2 single gas selectivity
of 25 were obtained at 25 °C and 1 atm. The gas permeance through
the clinoptilolite cement composite membrane was dependent on
operating temperature, indicating that the permeation through the
membrane was an activated diffusion process and that the permeation
through the zeolite embedded in the composite membrane was
predominant. However, the increase of gas permeation and the
corresponding decrease of H2/CO2 selectivity with increasing total
pressure are an indication of some defects in the composite
membranes. Further research to optimize the membrane preparation
conditions and to modify the membrane surface to improve hydrogen
permeation and H2/CO2 selectivity is needed.
Subjects/Keywords: gas separation; natural zeolite; membrane
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APA ·
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Shafie, A. H. (2011). Gas Separation Membranes Using Cementitious-Zeolite
Composite. (Masters Thesis). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/5q47rp173
Chicago Manual of Style (16th Edition):
Shafie, Amir Hossein. “Gas Separation Membranes Using Cementitious-Zeolite
Composite.” 2011. Masters Thesis, University of Alberta. Accessed March 04, 2021.
https://era.library.ualberta.ca/files/5q47rp173.
MLA Handbook (7th Edition):
Shafie, Amir Hossein. “Gas Separation Membranes Using Cementitious-Zeolite
Composite.” 2011. Web. 04 Mar 2021.
Vancouver:
Shafie AH. Gas Separation Membranes Using Cementitious-Zeolite
Composite. [Internet] [Masters thesis]. University of Alberta; 2011. [cited 2021 Mar 04].
Available from: https://era.library.ualberta.ca/files/5q47rp173.
Council of Science Editors:
Shafie AH. Gas Separation Membranes Using Cementitious-Zeolite
Composite. [Masters Thesis]. University of Alberta; 2011. Available from: https://era.library.ualberta.ca/files/5q47rp173
Oregon State University
15.
Larson, Robert Thomas.
Natural gas as a basis for resource development in the Pacific Northwest.
Degree: MS, Natural Resources, 1956, Oregon State University
URL: http://hdl.handle.net/1957/51741
Subjects/Keywords: Natural gas
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Manager
APA (6th Edition):
Larson, R. T. (1956). Natural gas as a basis for resource development in the Pacific Northwest. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/51741
Chicago Manual of Style (16th Edition):
Larson, Robert Thomas. “Natural gas as a basis for resource development in the Pacific Northwest.” 1956. Masters Thesis, Oregon State University. Accessed March 04, 2021.
http://hdl.handle.net/1957/51741.
MLA Handbook (7th Edition):
Larson, Robert Thomas. “Natural gas as a basis for resource development in the Pacific Northwest.” 1956. Web. 04 Mar 2021.
Vancouver:
Larson RT. Natural gas as a basis for resource development in the Pacific Northwest. [Internet] [Masters thesis]. Oregon State University; 1956. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/1957/51741.
Council of Science Editors:
Larson RT. Natural gas as a basis for resource development in the Pacific Northwest. [Masters Thesis]. Oregon State University; 1956. Available from: http://hdl.handle.net/1957/51741
Texas A&M University
16.
Nunn, Andrew Howard.
The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs.
Degree: MS, Petroleum Engineering, 2012, Texas A&M University
URL: http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10359
► The purpose of this study is to determine the feasibility of replacing diesel with natural gas as a fuel source for modern drilling rigs. More…
(more)
▼ The purpose of this study is to determine the feasibility of replacing diesel with
natural gas as a fuel source for modern drilling rigs. More specifically, this thesis (1) establishes a control baseline by examining operational characteristics (response, fuel usage, and cost) of an existing diesel-powered land rig during the drilling of a well in the Haynesville Shale; (2) estimates operational characteristics of a
natural gas engine under identical conditions; and (3) draws a comparison between diesel and
natural gas engines, determining the advantages and disadvantages of those fuel sources in drilling applications. Results suggest that diesel engines respond to transient loads very effectively because of their inherently higher torque, especially when compared with
natural gas engines of a similar power rating. Regarding fuel consumption, the engines running on diesel for this study were more efficient than on
natural gas. On a per-Btu basis, the
natural gas engines consumed nearly twice as much energy in drilling the same well. However, because of the low price of
natural gas, the total cost of fuel to drill the well was lowered by approximately 54%, or 37,000 USD. Based on the results, it is possible to infer that the use of
natural gas engines in drilling environments is feasible, and in most cases, an economical and environmental advantage. First, when compared with diesel,
natural gas is a cleaner fuel with less negative impact on the environment. Second, fuel cost can be reduced by approximately half with a
natural gas engine. On the other hand,
natural gas as a fuel becomes less practical because of challenges associated with transporting and storing a
gas. In fact, this difficulty is the main obstacle for the use of
natural gas in drilling environments. In conclusion, because of its minimal drawback on operations, it is recommended that in situations where
natural gas is readily available near current market prices,
natural gas engines should be utilized because of the cost savings and reduced environmental impact. In all other cases, particularly where transport and storage costs encroach on the cost benefit, it may still be advantageous to continue powering rigs with diesel because of its ease of use.
Advisors/Committee Members: Beck, Fredrick E. (advisor), Schubert, Jerome (committee member), Medina-Cetina, Zenon (committee member).
Subjects/Keywords: Natural Gas; Drilling Rig; Repower
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APA (6th Edition):
Nunn, A. H. (2012). The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10359
Chicago Manual of Style (16th Edition):
Nunn, Andrew Howard. “The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs.” 2012. Masters Thesis, Texas A&M University. Accessed March 04, 2021.
http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10359.
MLA Handbook (7th Edition):
Nunn, Andrew Howard. “The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs.” 2012. Web. 04 Mar 2021.
Vancouver:
Nunn AH. The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs. [Internet] [Masters thesis]. Texas A&M University; 2012. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10359.
Council of Science Editors:
Nunn AH. The Feasibility of Natural Gas as a Fuel Source for Modern Land-Based Drilling Rigs. [Masters Thesis]. Texas A&M University; 2012. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10359
Penn State University
17.
Gokhale, Jaidev Madhav.
A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs.
Degree: 2014, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/23569
► Natural gas is quickly gaining popularity as a clean and obtainable energy resource. With increasing exploitation of this resource the calculation of original gas in…
(more)
▼ Natural gas is quickly gaining popularity as a clean and obtainable energy resource. With increasing exploitation of this resource the calculation of original
gas in place (OGIP) becomes a crucial first step to developing
natural gas reservoirs in a profitable manner. Once an estimate for reserves has been established key economic decisions can be made to maximize profitability from a given field.
Furthermore, the calculation of OGIP serves to appraise reservoir value and influences key decisions on asset takeovers. Due to the importance of OGIP to influence key decisions of economics and asset development, careful consideration must be given into the development of techniques that are used to calculate OGIP.
Decline curve analysis has been a preferred tool used by the industry to assist in the calculation of OGIP. This study reviews existing methods of decline curve analysis and provides a new, explicit method to calculate OGIP.
The proposed approach demonstrates the ability to map the Arps decline parameters to a rigorous boundary dominated flow equation. Previously, the determination of Arps decline parameters relied predominantly on empirical methods. This study presents a physically justifiable approach to calculate the Arps decline exponent prior to the analysis of production data. Furthermore, the utilization of the mapped Arps decline parameters to predict OGIP using a straight-line analysis technique for cases of constant reservoir drawdown is also investigated through numerical and field case studies.
Advisors/Committee Members: Luis Ayala, Thesis Advisor/Co-Advisor, Yilin Wang, Thesis Advisor/Co-Advisor, Shimin Liu, Thesis Advisor/Co-Advisor.
Subjects/Keywords: Decline; Curve; Natural Gas
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APA (6th Edition):
Gokhale, J. M. (2014). A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/23569
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Gokhale, Jaidev Madhav. “A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs.” 2014. Thesis, Penn State University. Accessed March 04, 2021.
https://submit-etda.libraries.psu.edu/catalog/23569.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Gokhale, Jaidev Madhav. “A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs.” 2014. Web. 04 Mar 2021.
Vancouver:
Gokhale JM. A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs. [Internet] [Thesis]. Penn State University; 2014. [cited 2021 Mar 04].
Available from: https://submit-etda.libraries.psu.edu/catalog/23569.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Gokhale JM. A Coupled Pseudo-pressure/density Approach To Decline Curve Analysis Of Natural Gas Reservoirs. [Thesis]. Penn State University; 2014. Available from: https://submit-etda.libraries.psu.edu/catalog/23569
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Penn State University
18.
Stidworthy, Alison Gail.
Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
.
Degree: 2015, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/26741
► Radon (222Rn) is a radioactive element that is found in the atmosphere above geologic areas containing uranium, as well as in the natural gas that…
(more)
▼ Radon (222Rn) is a radioactive element that is found in the atmosphere above geologic areas containing uranium, as well as in the
natural gas that is extracted from the ground in those areas. There is concern that burning such
natural gas in power plants causes additional radon to be emitted into the surrounding atmosphere. On the University Park campus of The Pennsylvania State University (Penn State), radon enhancements were both measured and modeled for areas surrounding their two power plants. The three-part study first involved measuring ambient outdoor radon concentrations upwind and downwind of the power plants for several months. Observation sites were located at distances ranging from 80 m to 310 m away from the power plant stacks. The West Campus Steam Plant (WCSP) sites were placed on rooftops to best capture the plume from an elevated stack. For each plant, one site served as a background site, while the other three sites measured radon concentration enhancements downwind. Second, several samples of
natural gas were measured for radon, and third, a Gaussian plume dispersion model was used to predict the radon concentrations from the power plants given their emission rates. These predictions are then compared to the measured enhancements in radon downwind of the plants in order to determine whether the observed radon concentration enhancements may be attributed to the power plant emissions. Ambient outdoor radon measurements were consistently low, averaging 34.5 Bq m-3 around the East Campus Steam Plant (ECSP) and 31.6 Bq m-3 around the WCSP from August 2014 through January 2015, as compared to the EPA action level of 148 Bq m-3. Significant concentrations of radon were detected in the
natural gas, ranging from 516.4 to 1,242.0 Bq m-3. A combustion ratio of air to
natural gas of approximately 10:1 at the plants results in radon concentrations leaving the stacks that are already below the EPA action level. The measured enhancements around the ESCP averaged 6.22 Bq m-3 compared to the modeled enhancements of 0.0835 Bq m-3, and the measured enhancements around the WCSP averaged -0.21 Bq m-3 compared to the modeled enhancements of 0.0542 Bq m-3. In addition, the comparison of the measured to modeled downwind radon enhancements shows no correlation over time. The ambient radon levels in the vicinity of the power plants do not appear to be attributed to the power plants’ emissions.
Advisors/Committee Members: Kenneth James Davis, Thesis Advisor/Co-Advisor.
Subjects/Keywords: radon; natural gas; atmospheric dispersion
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Stidworthy, A. G. (2015). Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/26741
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Stidworthy, Alison Gail. “Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
.” 2015. Thesis, Penn State University. Accessed March 04, 2021.
https://submit-etda.libraries.psu.edu/catalog/26741.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Stidworthy, Alison Gail. “Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
.” 2015. Web. 04 Mar 2021.
Vancouver:
Stidworthy AG. Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
. [Internet] [Thesis]. Penn State University; 2015. [cited 2021 Mar 04].
Available from: https://submit-etda.libraries.psu.edu/catalog/26741.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Stidworthy AG. Radon Emissions From Natural Gas Power Plants at The Pennsylvania State University
. [Thesis]. Penn State University; 2015. Available from: https://submit-etda.libraries.psu.edu/catalog/26741
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
19.
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia, Cristiam Fernando.
Planeamiento estratégico del gas natural en el Perú.
Degree: 2013, Pontificia Universidad Católica del Perú
URL: http://tesis.pucp.edu.pe/repositorio/handle/123456789/8626
► xviii, 171 h. : il. ; 30 cm.
La industria del gas natural peruano ha sido relevante en el crecimiento económico del país de los…
(more)
▼ xviii, 171 h. : il. ; 30 cm.
La industria del gas natural peruano ha sido relevante en el crecimiento económico
del país de los últimos diez años debido a que provee de energía económica, ecológicamente
amigable y segura a diversas industrias del país. Esta investigación tiene como objetivo el
establecer las estrategias que permitan a la industria del gas natural peruano un crecimiento
sostenido y socialmente responsable para los próximos diez años.
Para concretar ese objetivo se realizó un análisis del entorno externo e interno con el
fin de identificar los factores de éxito de la industria, sus amenazas y oportunidades, sus
fortalezas y debilidades y plantear estrategias y objetivos. Se destacan como oportunidades el
crecimiento sostenido del país y la necesidad mundial de sustituir el petróleo por alternativas
más económicas y eco-amigables. Sin embargo, los altos índices de corrupción del país así
como los conflictos sociales plantean retos impostergables al Estado, la industria y la
sociedad para minimizar esas amenazas.
Asimismo el análisis reveló que la industria tiene capacidad de exportación y reservas
probadas para los próximos veinte años, sin embargo, los precios internacionales del gas han
bajado y el consumo interno residencial y vehicular aún es uno de los más bajos de la región,
por lo que existe el reto de la industria y del Estado en fomentar el crecimiento del mercado
interno y en el uso responsable del recurso gas natural.
En base al análisis anterior se plantearon siete objetivos de largo plazo y nueve
estrategias que buscan incrementar y fortalecer la demanda interna y externa, incentivar la
inversión en la industria y promover las buenas practicas de gobierno corporativo y de
responsabilidad social. Finalmente se plantean los objetivos de corto plazo, las políticas y los
indicadores de gestión que permiten evaluar y controlar la implementación de las estrategias
y realizar los ajustes necesarios de ser convenientes
Peruvian natural gas industry has been relevant in the country's economic growth over
the last ten years because of inexpensive, environmentally friendly and safety energy supplies
for various industries. This research aims to establish strategies for the peruvian natural gas
industry in order to obtain sustained economic growth and socially responsible polities for the
next twenty years.
To realize this objective, an analysis of the external and internal environment to
identify the success factors of the industry, its threats and opportunities, strengths and
weaknesses and propose strategies and objectives has been made. Opportunities are
highlighted as sustained growth of the country and the worldwide need to replace oil with
cheaper and eco-friendly alternatives. However, high levels of corruption in the country and
social conflicts reveals an urgent challenge to the State, industry and society in order to
minimize these threads.
Furthermore, the analysis revealed that the industry has excellent export capabilities
and proven gas reserves…
Advisors/Committee Members: O'Brien Cáceres, Juan.
Subjects/Keywords: Gas natural – Perú; Planificación estratégica
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APA ·
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Manager
APA (6th Edition):
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia, C. F. (2013). Planeamiento estratégico del gas natural en el Perú. (Masters Thesis). Pontificia Universidad Católica del Perú. Retrieved from http://tesis.pucp.edu.pe/repositorio/handle/123456789/8626
Chicago Manual of Style (16th Edition):
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia, Cristiam Fernando. “Planeamiento estratégico del gas natural en el Perú.” 2013. Masters Thesis, Pontificia Universidad Católica del Perú. Accessed March 04, 2021.
http://tesis.pucp.edu.pe/repositorio/handle/123456789/8626.
MLA Handbook (7th Edition):
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia, Cristiam Fernando. “Planeamiento estratégico del gas natural en el Perú.” 2013. Web. 04 Mar 2021.
Vancouver:
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia CF. Planeamiento estratégico del gas natural en el Perú. [Internet] [Masters thesis]. Pontificia Universidad Católica del Perú 2013. [cited 2021 Mar 04].
Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/8626.
Council of Science Editors:
Arce Soto, Nidia Zelma; Espinoza Pérez, Ana María; Castillo Plasencia CF. Planeamiento estratégico del gas natural en el Perú. [Masters Thesis]. Pontificia Universidad Católica del Perú 2013. Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/8626
Oregon State University
20.
Rose, Kelly Kathleen.
Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction.
Degree: PhD, Geology, 2016, Oregon State University
URL: http://hdl.handle.net/1957/59459
► Despite more than two centuries of exploration, including more than six million deep wellbores with depths exceeding 40,000 feet in some parts of the world,…
(more)
▼ Despite more than two centuries of exploration, including more than six million deep wellbores with depths exceeding 40,000 feet in some parts of the world, our ability to constrain subsurface processes and properties remains limited. Characteristics of the subsurface vary and can be analyzed on a variety of spatial scales. Characterization and prediction of subsurface properties, such as depth, thickness, porosity, permeability, pressure and temperature, are important for models and interpretations of the subsurface. Subsurface studies contribute to insights and understanding of
natural system but also enable predictions and assessments of subsurface resources (water, heat, hydrocarbon, mineral, storage capacity) and support environmental and geohazard assessments. However, the availability of data to characterize these systems as well as the techniques that utilize those data vary significantly. There is a wealth of data and information in structured and unstructured datasets stemming from subsurface characterization and interpretation studies. In addition, the geo-data science landscape is shifting, becoming more open. This affords opportunities to fill knowledge gaps, mine large, interrelated datasets, and develop innovative methods to improve our understanding of the subsurface and the impacts of its exploration.
This study demonstrates different approaches, at a range of scales, for evaluating subsurface properties using a combination of “small” and “big” data approaches. In particular, focusing on wellbore data which can be used to investigate questions at the individual well or the global scale. Wellbore related datasets, such as those associated with India’s NGHP-01 Site 17A, are the primary source of direct subsurface measurements. In this work, small-scale analyses from a single wellbore were used to establish that diagenetic mineralization is responsible for anomalous porosity preservation and enhanced permeability in sediments from NGHP-01 Site 17A. This relationship explains and further constrains how geologic history and architecture influences
gas hydrate distribution both within the lithostratigraphic record at NGHP-01 Site 17A and in other sedimentary settings worldwide. In addition, collections of wellbore data are increasingly used in spatial statistical analyses to improve prediction of subsurface properties at the field to basin-scale. These analyses typically have disregarded contextual geologic information because of its complex and unstructured format. This results in the loss of valuable information. This study presents a structured, hybrid deductive-probabilistic approach that integrates both contextual geologic information with quantitative analytical tools to improve prediction of subsurface properties and reduce uncertainty. The Subsurface Trend Analysis approach is demonstrated and validated in the prediction of subsurface pressure for the north-central region of the Gulf of Mexico. Finally, this study assembles and presents together information for the global…
Advisors/Committee Members: Meigs, Andrew (advisor), Torres, Marta (committee member).
Subjects/Keywords: hydrate; Natural gas – Hydrates
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to Zotero / EndNote / Reference
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APA (6th Edition):
Rose, K. K. (2016). Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/59459
Chicago Manual of Style (16th Edition):
Rose, Kelly Kathleen. “Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction.” 2016. Doctoral Dissertation, Oregon State University. Accessed March 04, 2021.
http://hdl.handle.net/1957/59459.
MLA Handbook (7th Edition):
Rose, Kelly Kathleen. “Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction.” 2016. Web. 04 Mar 2021.
Vancouver:
Rose KK. Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction. [Internet] [Doctoral dissertation]. Oregon State University; 2016. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/1957/59459.
Council of Science Editors:
Rose KK. Signatures in the Subsurface - Big & Small Data Approaches for the Spatio-Temporal Analysis of Geologic Properties & Uncertainty Reduction. [Doctoral Dissertation]. Oregon State University; 2016. Available from: http://hdl.handle.net/1957/59459
21.
Alcocer Peña, Neil Luis; Arohuanca Lagos, Delmar Glenn.
Planeamiento estratégico para el sector gas natural en el Perú.
Degree: 2013, Pontificia Universidad Católica del Perú
URL: http://tesis.pucp.edu.pe/repositorio/handle/123456789/4612
► El desarrollo integral del sector de gas natural en el Perú es uno de los objetivos centrales dentro de la política energética del país, principalmente…
(more)
▼ El desarrollo integral del sector de gas natural en el Perú es uno de los objetivos centrales dentro de la política energética del país, principalmente porque es una de las fuentes de energía que el país tiene en cantidad suficiente, permitiendo el desarrollo de una economía a través de su uso masivo y adecuado en el mercado interno. En consecuencia el país dejará de ser deficitario y dependiente del petróleo, constituyendo el gas natural como una energía puente entre el petróleo y las energías renovables de uso futuro que están en vías de desarrollo.
Las ventajas económicas y medioambientales que tiene el gas natural frente a otros hidrocarburos fortalecerán el desarrollo económico y social del país. En ese sentido, el presente plan estratégico para el gas natural busca: (a) consolidar al gas natural como una fuente alternativa de energía primaria dentro de la matriz energética nacional, (b) reducir significativamente la dependencia que tiene el país del petróleo importado, (c) contribuir con la reducción de los Gases de Efecto Invernadero (GEI) que afectan el medio ambiente, y (d) contribuir con el desarrollo de la industria petroquímica en el país.
El estudio se inicia con una visión general de la actual situación del sector de gas natural en el país y su proyección que tienen dentro de la economía del país. En este primer capítulo se busca determinar la situación actual del sector de gas natural. En el segundo capítulo se presenta la visión, misión, valores y código de ética; que regirán el desarrollo del plan estratégico en todas sus siguientes etapas, en los siguientes dos capítulos, se presentan los resultados de los análisis externos e interno, que servirán como insumos importantes para la determinación de las estrategias y acciones a implementar. Posteriormente, se desarrolla el plan estratégico haciendo uso de las distintas matrices como herramientas de análisis para determinar las estrategias con sus respectivas etapas de implementación y de acciones de control. Finalmente, se muestran todas las conclusiones del trabajo de investigación realizado y las recomendaciones que a criterio de los autores deberían ser consideradas en el desarrollo de la propuesta estratégica.
Entre los principales resultados destaca la gran oportunidad que tiene el país de aprovechar el gas natural para el desarrollo de su economía a través de su uso adecuado y sostenido en las distintas actividades económicas del país, transfiriendo sus beneficios económicos y medioambientales a todos los peruanos, en especial a los más necesitados a través de políticas de estado que involucren su promoción. El desarrollo industrial es otro de aspecto destacado, que asegurar la sostenibilidad del suministro del gas natural contribuirá significativamente con el desarrollo de la industria en general y el impulso a la naciente industria petroquímica.
The natural gas industry development in Peru is one of the most important objectives of the country energy policy, mainly because it's one of the sources of energy that the country has sufficient and…
Advisors/Committee Members: O'Brien Cáceres, Juan.
Subjects/Keywords: Gas natural – Perú; Planificación estratégica
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APA ·
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APA (6th Edition):
Alcocer Peña, Neil Luis; Arohuanca Lagos, D. G. (2013). Planeamiento estratégico para el sector gas natural en el Perú. (Masters Thesis). Pontificia Universidad Católica del Perú. Retrieved from http://tesis.pucp.edu.pe/repositorio/handle/123456789/4612
Chicago Manual of Style (16th Edition):
Alcocer Peña, Neil Luis; Arohuanca Lagos, Delmar Glenn. “Planeamiento estratégico para el sector gas natural en el Perú.” 2013. Masters Thesis, Pontificia Universidad Católica del Perú. Accessed March 04, 2021.
http://tesis.pucp.edu.pe/repositorio/handle/123456789/4612.
MLA Handbook (7th Edition):
Alcocer Peña, Neil Luis; Arohuanca Lagos, Delmar Glenn. “Planeamiento estratégico para el sector gas natural en el Perú.” 2013. Web. 04 Mar 2021.
Vancouver:
Alcocer Peña, Neil Luis; Arohuanca Lagos DG. Planeamiento estratégico para el sector gas natural en el Perú. [Internet] [Masters thesis]. Pontificia Universidad Católica del Perú 2013. [cited 2021 Mar 04].
Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/4612.
Council of Science Editors:
Alcocer Peña, Neil Luis; Arohuanca Lagos DG. Planeamiento estratégico para el sector gas natural en el Perú. [Masters Thesis]. Pontificia Universidad Católica del Perú 2013. Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/4612
Colorado State University
22.
Martinez Morett, David.
Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A.
Degree: MS(M.S.), Mechanical Engineering, 2012, Colorado State University
URL: http://hdl.handle.net/10217/78749
► Recent developments in numerical techniques and computational processing power now permit time-dependent, multi-dimensional computational fluid dynamics (CFD) calculations with detailed chemical kinetic mechanisms using commercially…
(more)
▼ Recent developments in numerical techniques and computational processing power now permit time-dependent, multi-dimensional computational fluid dynamics (CFD) calculations with detailed chemical kinetic mechanisms using commercially available software. Such computations have the potential to be highly effective tools for designing lean-burn, high brake mean effective pressure (BMEP)
natural gas engines that achieve high fuel efficiency and low emissions. Specifically, these CFD simulations can provide the analytical tools required to design highly optimized
natural gas engine components such as pistons, intake ports, pre-combustion chambers, fuel systems and ignition systems. To accurately model the transient, multi-dimensional chemically reacting flows present in these systems, detailed chemical kinetic mechanisms are needed that accurately reproduce measured combustion data at high pressures and lean conditions, but are of reduced size to enable reasonable computational times. Prior to the present study, these CFD models could not be used as accurate design tools for application in high BMEP lean-burn
gas engines because existing reduced chemical kinetic mechanisms failed to accurately reproduce experimental flame speed and ignition delay data for
natural gas at high pressure (40 atm and higher) and lean (0.6 equivalence ratio and lower) conditions. Existing methane oxidation mechanisms had typically been validated with experimental conditions at atmospheric and intermediate pressures (1 to 20 atm) and relatively rich stoichiometry. Accordingly, these kinetic mechanisms were not adequate for CFD simulation of
natural gas combustion for which elevated pressures and very lean conditions are typical. This thesis describes an analysis, based on experimental data, of the laminar flame speed computed from numerous, detailed chemical kinetic mechanisms for methane combustion at pressures and equivalence ratios necessary for accurate high BMEP, lean-burn
natural gas engine modeling. A reduced mechanism that was shown previously to best match data at moderately lean and high pressure conditions was updated for the conditions of interest by performing sensitivity analysis using CHEMKIN. The reaction rate constants from the most sensitive reactions were appropriately adjusted to obtain better agreement at high pressure lean conditions. An evaluation of two new reduced chemical kinetic mechanisms for methane combustion was performed using Converge CFD software. The results were compared to engine data and a significant improvement on combustion performance prediction was obtained with the new mechanisms.
Advisors/Committee Members: Marchese, Anthony J. (advisor), Olsen, Daniel B. (committee member), Dandy, David S. (committee member).
Subjects/Keywords: combustion; simulation; natural gas; engine
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APA ·
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MLA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Martinez Morett, D. (2012). Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A. (Masters Thesis). Colorado State University. Retrieved from http://hdl.handle.net/10217/78749
Chicago Manual of Style (16th Edition):
Martinez Morett, David. “Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A.” 2012. Masters Thesis, Colorado State University. Accessed March 04, 2021.
http://hdl.handle.net/10217/78749.
MLA Handbook (7th Edition):
Martinez Morett, David. “Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A.” 2012. Web. 04 Mar 2021.
Vancouver:
Martinez Morett D. Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A. [Internet] [Masters thesis]. Colorado State University; 2012. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/10217/78749.
Council of Science Editors:
Martinez Morett D. Reduced chemical kinetic mechanism for computational fluid dynamics simulations of high brake mean effective pressure, lean-burn natural gas engines, A. [Masters Thesis]. Colorado State University; 2012. Available from: http://hdl.handle.net/10217/78749
23.
Vilcahuaman Poma, Katya Rocio.
Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho.
Degree: 2018, Pontificia Universidad Católica del Perú
URL: http://tesis.pucp.edu.pe/repositorio/handle/123456789/12733
► The purpose of this consultation report was to examine the opportunities available to TgP for achieving its overarching strategic objectives, particularly its aims of bolstering…
(more)
▼ The purpose of this consultation report was to examine the opportunities available to
TgP for achieving its overarching strategic objectives, particularly its aims of bolstering
corporate reputation and creating shared value for the communities which are impacted by the
firm’s operations. The scope of this examination was confined primarily to opportunities in
the Huamanga province, due to the fact that there is pre-existing infrastructure there which is
currently underutilized. To identify the best opportunity available in the area, analyses are
conducted on the external, industry, and internal levels for TgP. From this, the opportunity for
TgP to transport natural gas to the Huamanga region was identified. To determine the best
method by which to execute on this opportunity, the existing literature was reviewed and
complemented with quantitative and qualitative analysis. The chosen method is to transport
natural gas to Huamanga via a polyethylene pipeline approximately 6.3 Km long and 8 inches
in diameter. While the implications and projected revenues of this proposal are rather minimal
in the scale of TgP’s overall operations, the project is likely to constitute a community
outreach victory regarding Huamanga. In short, this is a triumph for all parties involved, as
the community benefits from access to natural gas, while TgP benefits from making use of
idle infrastructure and capabilities, and the government benefits from the furthering of their
Massification initiative. The results and specific recommendations of this report are not
generalizable, as the solution is purpose-built for the area. However, this may also serve as a
pilot proposal for similar socially-driven ventures in other regional communities if executed
successfully.
El propósito de este informe de consultoría fue el de examinar las oportunidades
disponibles para que TgP logre sus objetivos estratégicos, particularmente sus objetivos de
reforzar la reputación corporativa y crear valor compartido para las comunidades que colindan
con las operaciones de la empresa. El alcance de este estudio se limitó principalmente a las
oportunidades en la provincia de Huamanga, debido a la presencia una infraestructura
preexistente que en la actualidad esta no es utilizada. Para identificar la mejor oportunidad
disponible, los análisis se realizaron a nivel externo, industrial e interno de TgP. A partir de
esto, se identificó la oportunidad para TgP de transportar gas natural a la región de Huamanga.
Para determinar el mejor método disponible para la ejecución de dicha oportunidad, la
literatura existente fue revisada y complementada con los análisis cuantitativo y cualitativo.
El método elegido es el de transportar gas natural a Huamanga a través de una tubería de
polietileno de aproximadamente 6.3 km de largo y 8 pulgadas de diámetro. Si bien las
implicaciones y los ingresos proyectados de esta propuesta son bastante mínimos en la escala
de las operaciones generales de TgP, es probable que el proyecto constituya una victoria…
Advisors/Committee Members: Sánchez Paredes, Sandro Alberto.
Subjects/Keywords: Gas natural – Perú – Ayacucho
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APA (6th Edition):
Vilcahuaman Poma, K. R. (2018). Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho. (Masters Thesis). Pontificia Universidad Católica del Perú. Retrieved from http://tesis.pucp.edu.pe/repositorio/handle/123456789/12733
Chicago Manual of Style (16th Edition):
Vilcahuaman Poma, Katya Rocio. “Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho.” 2018. Masters Thesis, Pontificia Universidad Católica del Perú. Accessed March 04, 2021.
http://tesis.pucp.edu.pe/repositorio/handle/123456789/12733.
MLA Handbook (7th Edition):
Vilcahuaman Poma, Katya Rocio. “Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho.” 2018. Web. 04 Mar 2021.
Vancouver:
Vilcahuaman Poma KR. Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho. [Internet] [Masters thesis]. Pontificia Universidad Católica del Perú 2018. [cited 2021 Mar 04].
Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/12733.
Council of Science Editors:
Vilcahuaman Poma KR. Consulting report - transportadora de gas del Perú delivering natural gas to Ayacucho. [Masters Thesis]. Pontificia Universidad Católica del Perú 2018. Available from: http://tesis.pucp.edu.pe/repositorio/handle/123456789/12733
University of Dundee
24.
Hassanzadeh, Elham.
Exports of Iranian natural gas to regional and international markets.
Degree: PhD, 2013, University of Dundee
URL: https://discovery.dundee.ac.uk/en/studentTheses/3fc60150-36e9-4a71-9ef6-2785ac38edb7
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578962
► This thesis critically examines exports of Iranian natural gas to regional and international markets. Owning the world’s 2nd largest proven natural gas reserves, Iran can…
(more)
▼ This thesis critically examines exports of Iranian natural gas to regional and international markets. Owning the world’s 2nd largest proven natural gas reserves, Iran can potentially be considered a major gas exporter. Yet, stringent international sanctions, coupled with domestic politicisation of the industry and lack of an ‘attractive’ investment framework, have made Iran unable to capitalise its huge natural gas potential both in domestic and international markets. In this research, a multidisciplinary approach is adopted to examine the main challenges hampering Iran’s ability to become a major gas exporter. These challenges range from political and legal to economic and fiscal. In this thesis, the extent to which the Iranian gas industry is affected by progressive international sanctions, particularly as a result of U.S. pressures, is considered extensively. It appears that U.S. and international sanctions have had detrimental impact on the development of the Iranian petroleum industry through limiting Iran’s access to financial institutions and technologies. In addition, in Iran the constant policy struggle between the need for foreign investment and technology in the petroleum sector on one hand, and the sentiment towards foreign exploitation on the other, is analysed in terms of impact of political challenges in the development of Iran’s natural gas industry. The legal and fiscal terms of buyback contracts as the only available contractual framework for development of the upstream petroleum sector is also reviewed as a part of the evaluation of the ‘attractiveness’ of Iran’s investment framework. This research offers second thoughts on the over-estimated role of law in development of natural resources and illuminates the importance of other factors, including policy making and governance institutions, in attracting foreign investors and the development of the petroleum sector. In the discussion about the development of Iran’s natural gas industry, subsidies are also identified as economic challenges, deterring foreign investors, causing wasteful consumption and creating an inflated domestic market. Two years into the subsidies reform in Iran, the plan has fallen short of achieving its objectives, including controlling domestic energy consumption and freeing up capital to be re-invested in the petroleum industry, mainly as a result of deteriorating economic conditions and Government mismanagement. The issue of supplying gas to domestic or export markets in the light of the country’s current limited production capacity has turned into a major political debate between the Parliament and the Government resulting in failure to fully meet its supply commitments to either market. Inability to produce adequate volumes of gas and its ‘ambitious’ gas expansion policies both in domestic and international markets, has forced the country to import gas from Turkmenistan. The unexpected title of ‘a net gas importer’ for a country with the 2nd largest gas reserves in the world, has raised many questions over the country’s…
Subjects/Keywords: 338.2; Iran; Natural Gas
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hassanzadeh, E. (2013). Exports of Iranian natural gas to regional and international markets. (Doctoral Dissertation). University of Dundee. Retrieved from https://discovery.dundee.ac.uk/en/studentTheses/3fc60150-36e9-4a71-9ef6-2785ac38edb7 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578962
Chicago Manual of Style (16th Edition):
Hassanzadeh, Elham. “Exports of Iranian natural gas to regional and international markets.” 2013. Doctoral Dissertation, University of Dundee. Accessed March 04, 2021.
https://discovery.dundee.ac.uk/en/studentTheses/3fc60150-36e9-4a71-9ef6-2785ac38edb7 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578962.
MLA Handbook (7th Edition):
Hassanzadeh, Elham. “Exports of Iranian natural gas to regional and international markets.” 2013. Web. 04 Mar 2021.
Vancouver:
Hassanzadeh E. Exports of Iranian natural gas to regional and international markets. [Internet] [Doctoral dissertation]. University of Dundee; 2013. [cited 2021 Mar 04].
Available from: https://discovery.dundee.ac.uk/en/studentTheses/3fc60150-36e9-4a71-9ef6-2785ac38edb7 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578962.
Council of Science Editors:
Hassanzadeh E. Exports of Iranian natural gas to regional and international markets. [Doctoral Dissertation]. University of Dundee; 2013. Available from: https://discovery.dundee.ac.uk/en/studentTheses/3fc60150-36e9-4a71-9ef6-2785ac38edb7 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578962
Delft University of Technology
25.
Jebbawi, EMIL (author).
Retrofitting Airbus A320 to work on Liquified Natural Gas.
Degree: 2019, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:63b89022-ac68-426d-8213-8470bd816e11
► The aviation sector is growing every year with a steady pace of 5%. With this growth, the greenhouse emissions can only rise in the future…
(more)
▼ The aviation sector is growing every year with a steady pace of 5%. With this growth, the greenhouse emissions can only rise in the future until new innovative aircraft are designed such as electrical aircraft. An interim solution is to switch the fuel from kerosene to Liquefied Natural Gas (LNG). LNG is much cleaner for the environment, cheaper and more abundant. This study looks into retrofitting conventional aircraft to work on LNG, in this case an Airbus A320 since it the most used airplane in the commercial aviation. A cryogenic tank to store the LNG, was designed and incorporated into the cargo bay replacing some of the cargo. The two aircraft were generated and compared using a preliminary design tool, the Initiator. The LNG aircraft achieved a significant reduction in CO2 and NOx , 24% and 69% respectively. In addition to a potential saving of 17% in direct operating cost.
Aerospace Engineering
Advisors/Committee Members: Gangoli Rao, Arvind (mentor), Vos, Roelof (graduation committee), Delft University of Technology (degree granting institution).
Subjects/Keywords: A320; LNG; Liquified Natural Gas
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Manager
APA (6th Edition):
Jebbawi, E. (. (2019). Retrofitting Airbus A320 to work on Liquified Natural Gas. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:63b89022-ac68-426d-8213-8470bd816e11
Chicago Manual of Style (16th Edition):
Jebbawi, EMIL (author). “Retrofitting Airbus A320 to work on Liquified Natural Gas.” 2019. Masters Thesis, Delft University of Technology. Accessed March 04, 2021.
http://resolver.tudelft.nl/uuid:63b89022-ac68-426d-8213-8470bd816e11.
MLA Handbook (7th Edition):
Jebbawi, EMIL (author). “Retrofitting Airbus A320 to work on Liquified Natural Gas.” 2019. Web. 04 Mar 2021.
Vancouver:
Jebbawi E(. Retrofitting Airbus A320 to work on Liquified Natural Gas. [Internet] [Masters thesis]. Delft University of Technology; 2019. [cited 2021 Mar 04].
Available from: http://resolver.tudelft.nl/uuid:63b89022-ac68-426d-8213-8470bd816e11.
Council of Science Editors:
Jebbawi E(. Retrofitting Airbus A320 to work on Liquified Natural Gas. [Masters Thesis]. Delft University of Technology; 2019. Available from: http://resolver.tudelft.nl/uuid:63b89022-ac68-426d-8213-8470bd816e11
26.
Pacora Candela, Reynaldo Martín.
Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010.
Degree: Magíster en Administración, Administración, 2015, Universidad del Pacífico
URL: http://hdl.handle.net/11354/1118
► El trabajo de investigación está centrado en la elaboración del planeamiento estratégico para la empresa de distribución de Gas Natural Buenos Aires Norte (GASBAN), ubicada…
(more)
▼ El trabajo de investigación está centrado en la elaboración del planeamiento estratégico para la empresa de distribución de
Gas Natural Buenos Aires Norte (GASBAN), ubicada en la zona norte de la provincia de Buenos Aires, Argentina, que cuenta principalmente con consumidores residenciales de bajos ingresos económicos. La situación en la que se encuentra la empresa, estados económicos-financieros agonizantes, el escenario económico, político y social decreciente del país para los siguientes años y la reducción de ingresos por ventas y servicios, obligaban a GASBAN a diseñar un nuevo plan estratégico para los siguientes 3 años.
Advisors/Committee Members: Lafosse Quintana, Wilfredo (advisor).
Subjects/Keywords: Planificación estratégica; Gas natural; Administración
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Pacora Candela, R. M. (2015). Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010. (Thesis). Universidad del Pacífico. Retrieved from http://hdl.handle.net/11354/1118
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Pacora Candela, Reynaldo Martín. “Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010.” 2015. Thesis, Universidad del Pacífico. Accessed March 04, 2021.
http://hdl.handle.net/11354/1118.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Pacora Candela, Reynaldo Martín. “Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010.” 2015. Web. 04 Mar 2021.
Vancouver:
Pacora Candela RM. Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010. [Internet] [Thesis]. Universidad del Pacífico; 2015. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/11354/1118.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Pacora Candela RM. Plan estratégico de la empresa de distribución Gas Natural BAN S.A. período 2008-2010. [Thesis]. Universidad del Pacífico; 2015. Available from: http://hdl.handle.net/11354/1118
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Michigan State University
27.
Tummala, Venkata Madhava Rao.
Alternative methods of estimation in the demand for natural gas.
Degree: PhD, Department of Management, 1968, Michigan State University
URL: http://etd.lib.msu.edu/islandora/object/etd:19067
Subjects/Keywords: Natural gas
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Tummala, V. M. R. (1968). Alternative methods of estimation in the demand for natural gas. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:19067
Chicago Manual of Style (16th Edition):
Tummala, Venkata Madhava Rao. “Alternative methods of estimation in the demand for natural gas.” 1968. Doctoral Dissertation, Michigan State University. Accessed March 04, 2021.
http://etd.lib.msu.edu/islandora/object/etd:19067.
MLA Handbook (7th Edition):
Tummala, Venkata Madhava Rao. “Alternative methods of estimation in the demand for natural gas.” 1968. Web. 04 Mar 2021.
Vancouver:
Tummala VMR. Alternative methods of estimation in the demand for natural gas. [Internet] [Doctoral dissertation]. Michigan State University; 1968. [cited 2021 Mar 04].
Available from: http://etd.lib.msu.edu/islandora/object/etd:19067.
Council of Science Editors:
Tummala VMR. Alternative methods of estimation in the demand for natural gas. [Doctoral Dissertation]. Michigan State University; 1968. Available from: http://etd.lib.msu.edu/islandora/object/etd:19067
Montana State University
28.
Stiglbauer, Gordon Case.
North Dakota natural gas : the decision to flare.
Degree: MS, College of Agriculture, 2015, Montana State University
URL: https://scholarworks.montana.edu/xmlui/handle/1/10162
► Unconventional oil and natural gas production in North Dakota's Bakken shale formation has caused a boom in the state's production. As production in the Bakken…
(more)
▼ Unconventional oil and
natural gas production in North Dakota's Bakken shale formation has caused a boom in the state's production. As production in the Bakken grows, wells are one-third of their produced
gas, valued at roughly $1 billion per year. Using a well-level panel of monthly production, I explore potential determinants of flaring and provide insight into the decision to produce oil from wells that are not connected to the
gas gathering system. Through initial linear regressions, I show that North Dakota Bakken wells are twice as much, on average, than Montana Bakken wells. Further, I find that unconnected wells are nearly four times as much as connected wells. I model the decision to connect wells through duration analysis to show that connection timing varies between operators of different sizes and that the threat of flaring penalties increases the hazard rate of connection. Lastly, I exploit variation between field oil production rules in North Dakota to find that the rate of rule compliance varies both by rule stringency and the size of the operator.
Advisors/Committee Members: Chairperson, Graduate Committee: Timothy Fitzgerald (advisor).
Subjects/Keywords: Natural gas.; Energy industries.; Combustion
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APA (6th Edition):
Stiglbauer, G. C. (2015). North Dakota natural gas : the decision to flare. (Masters Thesis). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/10162
Chicago Manual of Style (16th Edition):
Stiglbauer, Gordon Case. “North Dakota natural gas : the decision to flare.” 2015. Masters Thesis, Montana State University. Accessed March 04, 2021.
https://scholarworks.montana.edu/xmlui/handle/1/10162.
MLA Handbook (7th Edition):
Stiglbauer, Gordon Case. “North Dakota natural gas : the decision to flare.” 2015. Web. 04 Mar 2021.
Vancouver:
Stiglbauer GC. North Dakota natural gas : the decision to flare. [Internet] [Masters thesis]. Montana State University; 2015. [cited 2021 Mar 04].
Available from: https://scholarworks.montana.edu/xmlui/handle/1/10162.
Council of Science Editors:
Stiglbauer GC. North Dakota natural gas : the decision to flare. [Masters Thesis]. Montana State University; 2015. Available from: https://scholarworks.montana.edu/xmlui/handle/1/10162
University of Limerick
29.
Rigney, Caitlin.
Greenhouse gas emissions from rewetted peatland forests.
Degree: 2016, University of Limerick
URL: http://hdl.handle.net/10344/5592
► peer-reviewed
Natural peatlands are important sinks of carbon (C) and vital in the global C cycle. Despite covering just 3% of the earth’s land mass,…
(more)
▼ peer-reviewed
Natural peatlands are important sinks of carbon (C) and vital in the global C cycle. Despite covering just 3% of the earth’s land mass, they store as much C as all terrestrial biomass. Drainage for forestry alters the hydrology and chemical reactions in peatlands, converting them from sinks to sources of carbon dioxide (CO2) and nitrous oxide (N2O), while reducing methane (CH4) emissions. Rewetting is considered an important tool in climate change mitigation and is utilized in addition to other management tools such as Sphagnum introduction to return the C sink function of peatlands and re- establish peat forming conditions in degraded peatlands. The first aim of this study was to investigate the controls on CO2, CH4 and N2O dynamics in two rewetted former peatland forest sites in Ireland; one blanket peatland eight years after rewetting (Pollagoona) and one raised peatland three years after rewetting (Scohaboy), produce annual greenhouse gas (GHG) balances for both peatlands and compare them with natural and forested systems. The second aim was to compare the chemical and physical properties of natural, drained and rewetted peatlands in order to assess the effect of both drainage and subsequent rewetting on peatland properties. Gas fluxes were measured using the chamber method. Micro sites comprising the dominant vegetation at the study site were established and gas balances produced for one year. Although interannual variablility influences GHG emissions from peatlands, results from this study represent fluxes in a year without extreme climatic episodes. In this study, both sites acted as CO2 and CH4 sources. Although Pollagoona was an overall CO2-C source (131.6 g CO2-C m-2 yr-1), one microsite acted as a strong C sink (-142.84 g CO2-C m-2 yr-1). Methane emissions were small, totalling 2.94 ± 1.03 g CH4-C m-2 yr-1. Molinia caerulea plots were both the greatest CO2-C (168.4 g CO2-C m-2 yr-1) and CH4-C (2.53±1.01 g CH4-C m-2 yr-1) sources. Pollagoona experienced N2O uptake (-11.78 μg m-2yr-1) due to the behaviour of one microsite during the study period Scohaboy acted as a large CO2-C (585.3 g CO2-C m-2 yr-1) source in all microsites despite re- vegetation of non- brash plots due to the availability of fresh organic matter across the site. Scohaboy was also a CH4 source emitting 3.25 ± 0.58 g CH4-C m-2 yr-1. Both CO2-C (819.31 g CO2-C m-2 yr-1) and CH4-C (4.76 ±0.98 g CH4-C m-2 yr-1) emissions were highest from the brash plots. Annual nitrous oxide losses were small over the study period (72 μg m-2yr-1). Pollagoona displays little variability in elemental composition between land use type, while significant differences were observed in C and N content between land uses in Scohaboy. Unexpectedly N content of the peat did not increase with depth in four of the six peat cores analysed and this is reflected in their C:N ratio. All cores contained both labile and recalcitrant OM. Refractory OM was found in forestry samples from both sites and Scohaboy natural. Comparisons between land use types indicate…
Advisors/Committee Members: Byrne, Kenneth A., EPA.
Subjects/Keywords: natural peatlands; greenhouse gas emissions
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Manager
APA (6th Edition):
Rigney, C. (2016). Greenhouse gas emissions from rewetted peatland forests. (Thesis). University of Limerick. Retrieved from http://hdl.handle.net/10344/5592
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Rigney, Caitlin. “Greenhouse gas emissions from rewetted peatland forests.” 2016. Thesis, University of Limerick. Accessed March 04, 2021.
http://hdl.handle.net/10344/5592.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Rigney, Caitlin. “Greenhouse gas emissions from rewetted peatland forests.” 2016. Web. 04 Mar 2021.
Vancouver:
Rigney C. Greenhouse gas emissions from rewetted peatland forests. [Internet] [Thesis]. University of Limerick; 2016. [cited 2021 Mar 04].
Available from: http://hdl.handle.net/10344/5592.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Rigney C. Greenhouse gas emissions from rewetted peatland forests. [Thesis]. University of Limerick; 2016. Available from: http://hdl.handle.net/10344/5592
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universidad de Chile
30.
Van der Maat, Jan-Pieter.
Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke.
Degree: 2015, Universidad de Chile
URL: http://repositorio.uchile.cl/handle/2250/142637
► This paper examines the effect of natural gas storage on natural gas prices. Using a comprehensive dataset containing daily data for the period 2010-2014 we…
(more)
▼ This paper examines the effect of natural gas storage on natural gas prices. Using a
comprehensive dataset containing daily data for the period 2010-2014 we estimate two
specifications for the Dutch, German and British natural gas markets. We do not find
evidence of a stabilising effect of natural gas storage on daily price changes. However we do
find strong evidence of a positive effect of inventory levels of natural gas storage facilities on
intertemporal price spreads
Subjects/Keywords: Gas natural; Precios; EUROPA OCCIDENTAL
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Export
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Manager
APA (6th Edition):
Van der Maat, J. (2015). Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke. (Thesis). Universidad de Chile. Retrieved from http://repositorio.uchile.cl/handle/2250/142637
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Van der Maat, Jan-Pieter. “Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke.” 2015. Thesis, Universidad de Chile. Accessed March 04, 2021.
http://repositorio.uchile.cl/handle/2250/142637.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Van der Maat, Jan-Pieter. “Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke.” 2015. Web. 04 Mar 2021.
Vancouver:
Van der Maat J. Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke. [Internet] [Thesis]. Universidad de Chile; 2015. [cited 2021 Mar 04].
Available from: http://repositorio.uchile.cl/handle/2250/142637.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Van der Maat J. Impact of natural gas storage on natural gas prices an empirical analysis of the Western European gas marke. [Thesis]. Universidad de Chile; 2015. Available from: http://repositorio.uchile.cl/handle/2250/142637
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
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Open Access Theses and Dissertations