subject:( Permeability)

Texas A&M University

1. Siddiqui, Adil Ahmed. Towards a characteristic equation for permeability.

Degree: MS, Petroleum Engineering, 2008, Texas A&M University

URL: http://hdl.handle.net/1969.1/86054

► The characterization of reservoir permeability (k) remains the elusive challenge in reservoir engineering. This work considers prior developments in an evolutionary sense, and, as with… (more)

Subjects/Keywords: Permeability

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APA (6^th Edition):

Siddiqui, A. A. (2008). Towards a characteristic equation for permeability. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/86054

Chicago Manual of Style (16^th Edition):

Siddiqui, Adil Ahmed. “Towards a characteristic equation for permeability.” 2008. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/86054.

MLA Handbook (7^th Edition):

Siddiqui, Adil Ahmed. “Towards a characteristic equation for permeability.” 2008. Web. 22 Jan 2021.

Vancouver:

Siddiqui AA. Towards a characteristic equation for permeability. [Internet] [Masters thesis]. Texas A&M University; 2008. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/86054.

Council of Science Editors:

Siddiqui AA. Towards a characteristic equation for permeability. [Masters Thesis]. Texas A&M University; 2008. Available from: http://hdl.handle.net/1969.1/86054

Texas A&M University

2. Oyewole, Emmanuel O. A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements.

Degree: MS, Petroleum Engineering, 2015, Texas A&M University

URL: http://hdl.handle.net/1969.1/156540

► The assessment of directional permeability in carbonate formations is challenging due to their complex pore structure and anisotropic pore-network properties. Previous studies have shown that… (more)

▼ The assessment of directional permeability in carbonate formations is challenging due to their complex pore structure and anisotropic pore-network properties. Previous studies have shown that permeability is controlled by the conducting pore network; which is the portion of the connected pore system that contributes to both fluid and electric current flow in the formation. Conventional permeability assessment techniques attempt to quantify the conductive pore network volume fraction using well-log-based estimates of acoustic or non-shale porosity. However, these porosity estimates do not represent the anisotropic conducting pore network as they fail to account for the directional pore-network connectivity in carbonate rocks. As a result, conventional well-log-based permeability assessment techniques are unreliable for quantifying directional permeability in carbonate formations. This thesis introduces a method for depth-by-depth assessment of the directional conducting pore network volume fraction and directional permeability using combined interpretation of well logs and pore-scale images from carbonate formations. The proposed method takes advantage of the similarity between electric current and fluid flow paths in the rock-fluid system to estimate depth-by-depth directional conducting pore network volume fraction and permeability. In the field example presented, water saturation estimates were used to correct the electrical resistivity for the effect of hydrocarbon saturation. Then, well-log based rock classification was performed to identify different petrophysical rock types in the formation. Three-dimensional pore-scale images were obtained from each rock type using an X-ray micro computed tomography scanner. Then pore-scale simulations of electrical current and fluid flow were conducted to develop conducting pore-network and permeability models for each rock type. Finally, these pore-scale models were applied for depth-by-depth assessment of directional conducting pore-network volume fraction and directional permeability. The proposed method was applied in the pore-scale and well-log domain. In pore-scale domain, the method was used for the assessment of directional permeability in three carbonate rock types with complex pore structure. The pore-scale directional permeability estimates were cross-validated using permeability estimates obtained from a Lattice Boltzmann fluid flow simulator. In the well-log domain, the proposed technique was used to estimate permeability in the Canyon Reef formation of the SACROC oil field. The permeability estimates were cross-validated using available core measurements. The results showed a significant improvement using the proposed permeability assessment technique in both the pore-scale and well-log-scale domains. I observed a 52% and 34% decrease in the relative error associated with pore-scale and well-log domain permeability estimates, as compared to conventional porosity-permeability models. Advisors/Committee Members: Heidari, Zoya (advisor), Ayers, Walter (committee member), Pope, Michael (committee member).

Subjects/Keywords: Carbonate; Permeability

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APA (6^th Edition):

Oyewole, E. O. (2015). A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/156540

Chicago Manual of Style (16^th Edition):

Oyewole, Emmanuel O. “A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements.” 2015. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/156540.

MLA Handbook (7^th Edition):

Oyewole, Emmanuel O. “A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements.” 2015. Web. 22 Jan 2021.

Vancouver:

Oyewole EO. A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements. [Internet] [Masters thesis]. Texas A&M University; 2015. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/156540.

Council of Science Editors:

Oyewole EO. A New Method for Assessment of Directional Permeability in Carbonate Formations Using Electrical Resistivity Measurements. [Masters Thesis]. Texas A&M University; 2015. Available from: http://hdl.handle.net/1969.1/156540

Texas A&M University

3. Wasaki, Asana. Dynamics of Matrix-Fracture Coupling During Shale Gas Production.

Degree: MS, Petroleum Engineering, 2015, Texas A&M University

URL: http://hdl.handle.net/1969.1/155369

► In this work, a dynamic permeability model for organic-rich shale matrix is constructed and implemented into a flow simulation to investigate the impact on production.… (more)

Subjects/Keywords: permeability; shale

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APA (6^th Edition):

Wasaki, A. (2015). Dynamics of Matrix-Fracture Coupling During Shale Gas Production. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/155369

Chicago Manual of Style (16^th Edition):

Wasaki, Asana. “Dynamics of Matrix-Fracture Coupling During Shale Gas Production.” 2015. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/155369.

MLA Handbook (7^th Edition):

Wasaki, Asana. “Dynamics of Matrix-Fracture Coupling During Shale Gas Production.” 2015. Web. 22 Jan 2021.

Vancouver:

Wasaki A. Dynamics of Matrix-Fracture Coupling During Shale Gas Production. [Internet] [Masters thesis]. Texas A&M University; 2015. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/155369.

Council of Science Editors:

Wasaki A. Dynamics of Matrix-Fracture Coupling During Shale Gas Production. [Masters Thesis]. Texas A&M University; 2015. Available from: http://hdl.handle.net/1969.1/155369

University of Houston

4. Zhang, Xin 1987-. Field Scale Permeability Estimation Based on Microseismic Monitoring.

Degree: PhD, Geophysics, 2015, University of Houston

URL: http://hdl.handle.net/10657/1926

► The 3-dimension diffusion equation which describes fluid flow during hydraulic fracturing is interpreted in a statistical way. For all diffusing particles in a pumping procedure,… (more)

▼ The 3-dimension diffusion equation which describes fluid flow during hydraulic fracturing is interpreted in a statistical way. For all diffusing particles in a pumping procedure, the root-mean-square average of diffusing distance, which evaluates the fluctuation of diffusing particles as time evolves, is proportional to the square root of the product of diffusivity and elapsed time. The diffusivity is obtained from the spatial-temporal distribution of located microseismic events as a function of the distance between these events and pumping points, as well as elapsed time from injection inception. The upper-limit diffusivity of the original formation is characterized by the curve which fits the outermost located events on a distance-time plot. Similarly, diffusivity of the formation after hydraulic fracturing is obtained by curve fitting innermost located events induced by fluid flow back after injection stops. The theoretical expression between the diffusivity tensor and permeability tensor is obtained based on an isothermal condition and assumed incompressible slurry. The diffusivity tensor is found to be equal to the permeability tensor divided by a scalar which is the product of dynamic viscosity, connected formation porosity, and formation compressibility. Application of these equations to microseismic data acquired in the Barnett Shale Formation yields, with assumed hydraulic fracture geometry, initial permeability of 0.16 to 3.21 milliDarcy in the assumed dominant direction of fracturing and normal to it, with an increase to 12.1 milliDarcy along the dominant direction of fracturing after hydraulic fracturing. Numerical simulation results of fluid flow in synthetic media demonstrate: (1) If the flow domain size is not much larger than the part influenced by the entrance effect, the variables in Darcy’s law are inter-dependent. If so, the obtained permeability, no matter by experiment or simulation, cannot be upscaled, even under homogeneous condition. (2) The volume or area influenced by the entrance effect inside the flow domain depends on the geometry of the flow domain, fluid properties, and in-situ parameters. The more viscous fluid flow in a lower rate, the smaller volume or area influenced by entrance effect. (3) The flow field is difficult to be fully developed in a periodic domain. The wide throat zones store fluid as reservoirs. Advisors/Committee Members: Chesnokov, Evgeni M. (advisor), Castagna, John P. (committee member), Goloshubin, Gennady M. (committee member), Li, Xin-Gong (committee member).

Subjects/Keywords: Microseismic; Permeability

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APA (6^th Edition):

Zhang, X. 1. (2015). Field Scale Permeability Estimation Based on Microseismic Monitoring. (Doctoral Dissertation). University of Houston. Retrieved from http://hdl.handle.net/10657/1926

Chicago Manual of Style (16^th Edition):

Zhang, Xin 1987-. “Field Scale Permeability Estimation Based on Microseismic Monitoring.” 2015. Doctoral Dissertation, University of Houston. Accessed January 22, 2021. http://hdl.handle.net/10657/1926.

MLA Handbook (7^th Edition):

Zhang, Xin 1987-. “Field Scale Permeability Estimation Based on Microseismic Monitoring.” 2015. Web. 22 Jan 2021.

Vancouver:

Zhang X1. Field Scale Permeability Estimation Based on Microseismic Monitoring. [Internet] [Doctoral dissertation]. University of Houston; 2015. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/10657/1926.

Council of Science Editors:

Zhang X1. Field Scale Permeability Estimation Based on Microseismic Monitoring. [Doctoral Dissertation]. University of Houston; 2015. Available from: http://hdl.handle.net/10657/1926

Texas A&M University

5. Arceneaux, Deron Rashad. Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures.

Degree: MS, Petroleum Engineering, 2020, Texas A&M University

URL: http://hdl.handle.net/1969.1/189557

► This thesis is aimed to develop an understanding of relative permeability in fractures of oil-water systems. Currently, two-phase flow behavior across unpropped and propped fractures… (more)

▼ This thesis is aimed to develop an understanding of relative permeability in fractures of oil-water systems. Currently, two-phase flow behavior across unpropped and propped fractures is not well known. As a result, reservoir modeling using computational simulation for the area involving fractures typically utilizes straight-line relative permeability and zero capillary pressure in fractures. Nonetheless, several experiments have shown that both viscous and capillary dominated flows can be predicted in naturally fractured reservoirs where non-straight-line relative permeability must be used to model such reservoirs correctly. The experimental analyses performed in this thesis were carried out using the outcrop core from the Eagle Ford shale formation. The outcrop Eagle Ford rock was cored into four 1.5" diameter by 6" cores and saw cut to generate a natural fracture on each core sample. The cores were then saturated in Eagle Ford formation oil at reservoir temperature for a minimum of 30 days before any experiments. The steady-state method was applied to measure the oil-water relative permeability. Eagle Ford formation oil and reconstituted brine with and without surfactants were used as the test fluids. The measurements were recorded at effective fracture closure stress and reservoir temperature. Also, real-time measurements of density, pressure, and flow rate will be logged throughout the entire duration of each test. Fluid saturations within the fracture were calculated using the mass continuity equation. Results from the experiment were analyzed using Darcy’s Law, and a visible relationship was found between saturation and relative permeability. The determined relative permeability curves closely follow the generalized Brooks-Corey relationship for oil-water systems. In comparison, there was a significant difference between the oil-water only systems and the oil-water surfactant systems in the relative permeability curves. Results from the experiments conducted indicate the potential for surfactant additives to significantly improve the relative permeability of oil by as much as 26%. Also, the results show the use of the straight-line relative permeability to predict oil recovery would result in a high percent error. Advisors/Committee Members: Hill, Dan (advisor), Zhu, Ding (advisor), Donovan, Arthur (committee member).

Subjects/Keywords: Relative Permeability

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APA (6^th Edition):

Arceneaux, D. R. (2020). Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/189557

Chicago Manual of Style (16^th Edition):

Arceneaux, Deron Rashad. “Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures.” 2020. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/189557.

MLA Handbook (7^th Edition):

Arceneaux, Deron Rashad. “Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures.” 2020. Web. 22 Jan 2021.

Vancouver:

Arceneaux DR. Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures. [Internet] [Masters thesis]. Texas A&M University; 2020. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/189557.

Council of Science Editors:

Arceneaux DR. Evaluation of Relative Permeability of Oil-Water Systems in Natural Fractures. [Masters Thesis]. Texas A&M University; 2020. Available from: http://hdl.handle.net/1969.1/189557

Texas A&M University

6. Vera Rosales, Fabian 1986-. Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses.

Degree: MS, Petroleum Engineering, 2012, Texas A&M University

URL: http://hdl.handle.net/1969.1/148240

► The current state of shale gas reservoir dynamics demands understanding long-term production, and existing models that address important parameters like fracture half-length, permeability, and stimulated… (more)

Subjects/Keywords: pressure dependent permeability; permeability; Shale gas

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APA (6^th Edition):

Vera Rosales, F. 1. (2012). Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/148240

Chicago Manual of Style (16^th Edition):

Vera Rosales, Fabian 1986-. “Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses.” 2012. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/148240.

MLA Handbook (7^th Edition):

Vera Rosales, Fabian 1986-. “Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses.” 2012. Web. 22 Jan 2021.

Vancouver:

Vera Rosales F1. Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses. [Internet] [Masters thesis]. Texas A&M University; 2012. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/148240.

Council of Science Editors:

Vera Rosales F1. Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses. [Masters Thesis]. Texas A&M University; 2012. Available from: http://hdl.handle.net/1969.1/148240

University of Helsinki

7. Karhu, Elisa. Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners.

Degree: Medicinska fakulteten, 2016, University of Helsinki

URL: http://hdl.handle.net/10138/162930

► Gastrointestinal symptoms such as diarrhea, cramping, nausea and gastric pain occur frequently in runners during training and competitions. The mechanisms leading to the distress are… (more)

▼ Gastrointestinal symptoms such as diarrhea, cramping, nausea and gastric pain occur frequently in runners during training and competitions. The mechanisms leading to the distress are not fully understood, nor the reason why some remain asymptomatic. However, hyperthermia induced by exercise elevation of core temperature and oxidative damage due to reduced gastric blood flow have been postulated to affect the intestinal epithelial cells. Both sources of stress disrupt the binding of the epithelial tight junction proteins and increase permeability of the membrane to luminal endotoxins. Endotoxins reaching the blood stream through leaky tight junctions lead to an inflammatory response mediated by cytokines. These mechanisms may underlie the gastrointestinal symptoms often experienced by endurance athletes. The aim of this study was to measure running-induced changes in intestinal permeability and inflammatory markers and investigate their association with gastrointestinal symptoms. A secondary objective was to inspect possible correlations between gastrointestinal symptom occurrence and intake of certain nutrients. A total of 17 active runners were allocated into a control group (asymptomatic) or a symptomatic group based on a symptom history questionnaire and completed a 90-minute running test. Intestinal permeability at baseline and after the run were assessed via urine recovery of orally administered Iohexol . LPS (endotoxin) and zonulin concentrations were determined from serum samples. Participants kept a food diary for three days before each measurement and filled out a symptom questionnaire after the run. No significant difference was found in intestinal permeability between symptomatic and asymptomatic runners either at rest or following strenuous exercise. However, both groups experienced a significant increase in intestinal permeability from baseline to after running. LPS concentrations were significantly higher at baseline in the symptomatic group. This may explain the higher symptom occurrence in the symptomatic group. Zonulin levels were higher in control group than symptom group after the run. Zonulin concentration was also higher in the control group after the run compared to baseline. The symptom group reported more stomach pain and stool changes after running compared to controls. Comparison of average intake of various nutrients between the two groups showed no significant differences, indicating an individual predisposition as the cause of symptoms rather than diet alone. The lack of difference in intestinal permeability between the groups combined with the difference in symptom occurrence indicates that intestinal permeability changes alone do not account for symptom development. A possible factor may be individual differences in intestinal mucosa repair ability or some underlying pathology.

Subjects/Keywords: iohexol; running; intestinal permeability; LPS; Intestinal Permeability

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APA (6^th Edition):

Karhu, E. (2016). Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners. (Masters Thesis). University of Helsinki. Retrieved from http://hdl.handle.net/10138/162930

Chicago Manual of Style (16^th Edition):

Karhu, Elisa. “Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners.” 2016. Masters Thesis, University of Helsinki. Accessed January 22, 2021. http://hdl.handle.net/10138/162930.

MLA Handbook (7^th Edition):

Karhu, Elisa. “Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners.” 2016. Web. 22 Jan 2021.

Vancouver:

Karhu E. Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners. [Internet] [Masters thesis]. University of Helsinki; 2016. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/10138/162930.

Council of Science Editors:

Karhu E. Changes in Intestinal Permeability in Symptomatic and Asymptomatic Runners. [Masters Thesis]. University of Helsinki; 2016. Available from: http://hdl.handle.net/10138/162930

Texas A&M University

8. Chapman, Ian. Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models.

Degree: MS, Petroleum Engineering, 2012, Texas A&M University

URL: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11668

► A proper understanding of reservoir connectivity is essential to understanding the relationship between the porosity and the permeability within it. Additionally, the construction of an… (more)

Subjects/Keywords: Percolation; Shale; Permeability

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APA (6^th Edition):

Chapman, I. (2012). Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11668

Chicago Manual of Style (16^th Edition):

Chapman, Ian. “Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models.” 2012. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11668.

MLA Handbook (7^th Edition):

Chapman, Ian. “Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models.” 2012. Web. 22 Jan 2021.

Vancouver:

Chapman I. Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models. [Internet] [Masters thesis]. Texas A&M University; 2012. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11668.

Council of Science Editors:

Chapman I. Determination of the Controls on Permeability and Transport in Shale by Use of Percolation Models. [Masters Thesis]. Texas A&M University; 2012. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11668

Penn State University

9. Madara, Benjamin James. Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties.

Degree: 2018, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/15828bjm362

► Fault and fracture permeability-stability relationships continually evolve over the seismic cycle. Both static and dynamic changes in mechanical stresses can affect the fluid pressures and… (more)

▼ Fault and fracture permeability-stability relationships continually evolve over the seismic cycle. Both static and dynamic changes in mechanical stresses can affect the fluid pressures and vice versa. These changes can be potentially beneficial to energy production, as dynamic stressing has been observed to enhance reservoir permeability in natural and manufactured systems. However, both dynamic and static changes in stress have also been shown to destabilize faults, triggering earthquakes. It is clear a fundamental understanding of controlling mechanisms is necessary for safely enhancing reservoir productivity and understanding seismic hazard assessment. In this dissertation, I strive to illuminate the underlying mechanisms that govern permeability evolution, including transient changes in permeability associated with dynamic stressing and fault shear. While the relationships between fault slip, dynamic stressing, and permeability have been studied separately, little data are available on their combined effects. In each chapter, I present results from suites of carefully controlled laboratory experiments to investigate the effect of mode II fault failure and shear on permeability and poromechanical properties. In Chapter 1, I investigate the effects of dynamic stressing on highly porous reservoir rock, Berea sandstone, at various stages of shear displacement. I demonstrate that porous rock is sensitive to dynamic stressing only via fluid pulsing and that both reservoir permeability and sensitivity to dynamic stressing declines with shear. Chapter 2 extends this work into low porosity, low permeability reservoir rock, Westerly granite and Green River shale. Here I show that frequency of imposed fluid oscillations has the greatest control over permeability enhancement. Finally, chapter 3 focuses on friction and permeability responses across multiple reservoir rock types throughout the seismic cycle, simulated via Slide-Hold-Slide and velocity step testing. Here, I use in situ fractured samples alongside traditional, saw cut samples to highlight the effect of fracture roughness on the fluid response across varying rock mineralogy. This dissertation provides insight to the controlling mechanisms and data that can be used to predict reservoir behavior, including the feasibility of shear failure and dynamic stressing as reservoir permeability management techniques. I demonstrate that permeability-stability relationships evolve as a result of dynamic stressing and are dependent upon properties of the reservoir: porosity, fracture roughness, and stiffness as well as the properties of imposed dynamic stressing: frequency and amplitude. The evidence provided shows differing results from exercising the same mechanism when applied to different types of reservoir rock. Advisors/Committee Members: Chris Marone, Dissertation Advisor/Co-Advisor, Chris J Marone, Committee Chair/Co-Chair, Derek Elsworth, Committee Member, Sridhar Anandakrishnan, Committee Member, Shimin Liu, Outside Member.

Subjects/Keywords: permeability evolution; permeability; dynamic stressing; fracture; shear; permeability enhancement

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APA (6^th Edition):

Madara, B. J. (2018). Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/15828bjm362

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Madara, Benjamin James. “Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties.” 2018. Thesis, Penn State University. Accessed January 22, 2021. https://submit-etda.libraries.psu.edu/catalog/15828bjm362.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Madara, Benjamin James. “Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties.” 2018. Web. 22 Jan 2021.

Vancouver:

Madara BJ. Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties. [Internet] [Thesis]. Penn State University; 2018. [cited 2021 Jan 22]. Available from: https://submit-etda.libraries.psu.edu/catalog/15828bjm362.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Madara BJ. Laboratory Studies of Permeability Evolution: Roles of Fracture, Shear, Dynamic Stressing, and Reservoir Rock Properties. [Thesis]. Penn State University; 2018. Available from: https://submit-etda.libraries.psu.edu/catalog/15828bjm362

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Penn State University

10. Fan, Long. Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production.

Degree: 2019, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/17209luf12

► Coal gas extraction consists of coalbed methane (CBM) recovery from surface drilling boreholes and coal mine methane (CMM) extraction via both surface and subsurface ventholes… (more)

▼ Coal gas extraction consists of coalbed methane (CBM) recovery from surface drilling boreholes and coal mine methane (CMM) extraction via both surface and subsurface ventholes in conjunction with mining operations. The permeability of a certain fluid in coal reservoirs and its stress response corresponding to dynamic pressure are critical for both effective gas drainage from coal and CBM extractions. For both CMM and CBM applications, the dimensions of fluid flow pathways can range from tens of centimeters to several micrometers, even nanometers. The transport behaviors of fluids in multiscale flow pathways are expected to be dramatically different. Permeability evolution and fluid transportation behaviors in multiscale flow pathways are dominant factors in achieving the successful gas extraction in coal reservoirs. This dissertation focuses on the transport behaviors in multiscale pathways and their applications in CBM and CMM production. For CMM application, a conceptual model of broken rock mass compaction was proposed in this study, based on elastic theory, by simplifying the compression process and assuming the connection between broken rocks is a similar cubic mass without a large void space. Compacted rock mass permeability evolution was modeled based on the cubic law of porosity and permeability. The predicted permeability evolution by a coupled model is similar with reported experimental results. Compared to intact rock mass, we found that the stress-strain curve of compacted rock mass takes a longer stress-strain path to reach the linearity due to void space compaction resulting from friction slipping and re-arrangement of the grains. In addition, the permeability variation under the overburden cyclic loading-unloading process was experimentally investigated in the lab. An average permeability damage concept with a complete loading-unloading cycle was introduced to quantify the effects of maximum stress, loading path, holding time period, and gas type on permeability evolution. It was demonstrated that the permeability hysteresis occurred during the cyclic loading-unloading, and that the average permeability damage was subject to the loading-unloading paths. The average permeability damage for the coal specimen was more sensitive to maximum loading stress and the loading-unloading path compared to gas injection pore pressure and the holding period. For CBM production, the sorption induced swelling/shrinkage effect was numerically simulated based on a gas-solid coupling model incorporated with swelling effect to evaluate the horizontal stress relaxation under uniaxial strain conditions during depletion. Unlike the elastic strain, the sorption-induced strain showed a non-linear behavior with continuous sorbing gas injections, and these two types of strains were engaged in a competitive process of volumetric change for the coal. It was found that the simulated results of volumetric change under the hydrostatic condition well agreed with experimental data. To better understand frictional sliding behavior and… Advisors/Committee Members: Shimin Liu, Dissertation Advisor/Co-Advisor, Shimin Liu, Committee Chair/Co-Chair, Jeffery L Kohler, Committee Member, Sekhar Bhattacharyya, Committee Member, Mathieu Philippe Stienon, Outside Member, William Arthur Groves, Committee Member, Mort D Webster, Program Head/Chair.

Subjects/Keywords: Gob permeability; Gob compaction; Cyclic loading; Fracture permeability; Coal permeability; Fracture sliding

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APA (6^th Edition):

Fan, L. (2019). Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/17209luf12

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Fan, Long. “Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production.” 2019. Thesis, Penn State University. Accessed January 22, 2021. https://submit-etda.libraries.psu.edu/catalog/17209luf12.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Fan, Long. “Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production.” 2019. Web. 22 Jan 2021.

Vancouver:

Fan L. Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production. [Internet] [Thesis]. Penn State University; 2019. [cited 2021 Jan 22]. Available from: https://submit-etda.libraries.psu.edu/catalog/17209luf12.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Fan L. Fluid transport behaviors of intact coal and coal measure rocks: applications for subsurface coal mine methane control and coalbed methane production. [Thesis]. Penn State University; 2019. Available from: https://submit-etda.libraries.psu.edu/catalog/17209luf12

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of California – Santa Cruz

11. Hewitt, William Merton. Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles.

Degree: Chemistry, 2014, University of California – Santa Cruz

URL: http://www.escholarship.org/uc/item/57r68495

► The beta-lactam synthon method is an established technique utilizing beta-lactams in natural product synthesis. Through application of our previously described novel beta-lactam preparation, we describe… (more)

▼ The beta-lactam synthon method is an established technique utilizing beta-lactams in natural product synthesis. Through application of our previously described novel beta-lactam preparation, we describe the C3 functionalization and application of previously described and novel β-lactams towards the synthesis of pactamycin – a densely functionalized cyclopentane natural product – and non-natural analogs of salinosporamide A – a proteasome inhibitor currently in clinical trials for treatment of multiple myeloma.Additionally, we present a methodology for the discovery of geometrically diverse, membrane permeable cyclic peptide scaffolds based on the synthesis and permeability screening of a combinatorial library, followed by deconvolution of membrane-permeable scaffolds to identify cyclic peptides with good to excellent passive cell permeabilities. We use a combination of experimental and computational approaches to investigate structure-permeability relationships in one of these scaffolds, and uncover structural and conformational factors that govern passive membrane diffusion in a related set of cyclic peptide diastereomers. Further, we investigate the dependency of permeability on side chain identity of one of these scaffolds through single-point diversifications to show the adaptability of these scaffolds towards development of permeability-biased libraries suitable for bioactivity screens. Overall, our results demonstrate that many novel, cell permeable scaffolds exist beyond those found in extant natural products, and that such scaffolds can be rapidly identified using a combination of synthesis and deconvolution which can, in principle, be applied to any type of macrocyclic template.Finally, we report the application of this "split-pool" synthetic library approach towards the extension of known physical models of passive membrane permeation – in particular, the barrier domain model – to larger molecular weight chemical space. We show that the membrane permeability of macrocycles is governed by lipophilicity and solubility and that the window between the two narrows with increasing molecular size. We recognize this brings into question again the origin of intrinsic permeability of natural membrane-permeable macrocycles such as cyclosporin A.

Subjects/Keywords: Chemistry; beta-Lactam; Macrocycle; Permeability

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APA (6^th Edition):

Hewitt, W. M. (2014). Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles. (Thesis). University of California – Santa Cruz. Retrieved from http://www.escholarship.org/uc/item/57r68495

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hewitt, William Merton. “Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles.” 2014. Thesis, University of California – Santa Cruz. Accessed January 22, 2021. http://www.escholarship.org/uc/item/57r68495.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hewitt, William Merton. “Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles.” 2014. Web. 22 Jan 2021.

Vancouver:

Hewitt WM. Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles. [Internet] [Thesis]. University of California – Santa Cruz; 2014. [cited 2021 Jan 22]. Available from: http://www.escholarship.org/uc/item/57r68495.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hewitt WM. Utilization of the beta-Lactam Core Towards the Preparation of Chiral Ring-Fused Lactams and Preparation and Application of Synthetic Peptide Libraries Toward the Discovery and Understanding of Membrane-Permeable Macrocycles. [Thesis]. University of California – Santa Cruz; 2014. Available from: http://www.escholarship.org/uc/item/57r68495

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Alberta

12. Gordon, John. Burrow associated reservoir quality in marine siliciclastic sediments.

Degree: MS, Department of Earth and Atmospheric Sciences, 2010, University of Alberta

URL: https://era.library.ualberta.ca/files/zw12z5948

► Abstract Burrow-associated diagenetic alteration and eventual reservoir quality parameters such as porosity and permeability may be altered due to reorganization of the sediment fabric associated… (more)

Subjects/Keywords: Reservoir quality; Burrow associated; Permeability

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APA (6^th Edition):

Gordon, J. (2010). Burrow associated reservoir quality in marine siliciclastic sediments. (Masters Thesis). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/zw12z5948

Chicago Manual of Style (16^th Edition):

Gordon, John. “Burrow associated reservoir quality in marine siliciclastic sediments.” 2010. Masters Thesis, University of Alberta. Accessed January 22, 2021. https://era.library.ualberta.ca/files/zw12z5948.

MLA Handbook (7^th Edition):

Gordon, John. “Burrow associated reservoir quality in marine siliciclastic sediments.” 2010. Web. 22 Jan 2021.

Vancouver:

Gordon J. Burrow associated reservoir quality in marine siliciclastic sediments. [Internet] [Masters thesis]. University of Alberta; 2010. [cited 2021 Jan 22]. Available from: https://era.library.ualberta.ca/files/zw12z5948.

Council of Science Editors:

Gordon J. Burrow associated reservoir quality in marine siliciclastic sediments. [Masters Thesis]. University of Alberta; 2010. Available from: https://era.library.ualberta.ca/files/zw12z5948

Oregon State University

13. Lenhard, Robert J. (Robert James). Effects of clay-water interactions on water retention in porous media.

Degree: PhD, Soil Science, 1984, Oregon State University

URL: http://hdl.handle.net/1957/41077

► Capillary pressure-saturation data obtained for unconsolidated porous media with different liquids are examined to investigate the effects of clay-liquid interactions on liquid retention. Liquid retention… (more)

▼ Capillary pressure-saturation data obtained for unconsolidated porous media with different liquids are examined to investigate the effects of clay-liquid interactions on liquid retention. Liquid retention functions are assumed to reflect the effective pore-size distributions. The hydraulic variables, capillary pressure and saturation, are transformed to account for changes in liquid retention that could be attributed to differences in contact angle, density, and surface tension of the liquids. The non-linear Su-Brooks (1976) retention function was linearized so that standard statistical programs can be used on the experimental capillary pressure-saturation data to obtain the retention parameters. The method developed is more rapid than the original method and takes all of the data into consideration. Capillary pressure-saturation data were collected on samples containing 40% montmorillonite as a function of total electrolyte concentration and sodium adsorption ratio. The latter affects measured values only at electrolyte concentrations below 0.5N̲. Three empirical retention functions were fit to the experimental data to determine the respective retention parameters. The retention functions fit the experimental data very well, with an average of R² of 0.9961. The average R² obtained from a multivariate regression model of retention parameters as a function of electrolyte concentration and sodium adsorption ratio was 0.948. The changes in capillary pressure-saturation relationships are explained by swelling. Retention curves for different clay minerals are compared when the wetting fluids are polar (water) or non-polar (soltrol) liquids. The retention curves for water in illite can be accurately predicted from the soltrol curves by assuming an adsorbed water layer up to 1580 molecular layers in thickness. This correction does not predict the measured curves for montmorillonite, apparently because of swelling of the clays in water. Advisors/Committee Members: Warkentin, Benno (advisor).

Subjects/Keywords: Clay – Permeability

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APA (6^th Edition):

Lenhard, R. J. (. J. (1984). Effects of clay-water interactions on water retention in porous media. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/41077

Chicago Manual of Style (16^th Edition):

Lenhard, Robert J (Robert James). “Effects of clay-water interactions on water retention in porous media.” 1984. Doctoral Dissertation, Oregon State University. Accessed January 22, 2021. http://hdl.handle.net/1957/41077.

MLA Handbook (7^th Edition):

Lenhard, Robert J (Robert James). “Effects of clay-water interactions on water retention in porous media.” 1984. Web. 22 Jan 2021.

Vancouver:

Lenhard RJ(J. Effects of clay-water interactions on water retention in porous media. [Internet] [Doctoral dissertation]. Oregon State University; 1984. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1957/41077.

Council of Science Editors:

Lenhard RJ(J. Effects of clay-water interactions on water retention in porous media. [Doctoral Dissertation]. Oregon State University; 1984. Available from: http://hdl.handle.net/1957/41077

Oregon State University

14. Huston, Thomas K. The absolute bioavailability of dyphylline tablets in human subjects.

Degree: MS, Pharmacy, 1983, Oregon State University

URL: http://hdl.handle.net/1957/41432

► Dyphylline has been shown to be rapidly and completely absorbed from oral tablets in an absolute bioavailability study. In a pilot study two healthy male… (more)

▼ Dyphylline has been shown to be rapidly and completely absorbed from oral tablets in an absolute bioavailability study. In a pilot study two healthy male subjects received 1000 mg of dyphylline via intravenous infuson at a rate of 50 mg/min (1.0 ml/min) for 20 minutes. Plasma samples were collected for 16 hours and urine samples were collected for 72 hours. Observed peak plasma concentration were 22.4 mcg/ml for subject one and 25.7 mcg/ml for subject two. No adverse effects were reported by either subject; blood pressure and pulse rate remained normal. An average of 83% of the administered dose of dyphylline was recovered in the urine. The remaining 17% of the dose may be distributed to "deep tissues" and removed slowly. Computer based pharmacokinetic modeling of the plasma data, 0-8 hours for subject one and 0-7 hours for subject two, were best described by a two compartment open model with first order elimination from the central compartment. However, sigma-minus plots of time extended urine data reveal nonlinear or multicompartmental pharmacokinetics. Evidence from the pilot study revealed that intravenous dyphylline can be safely administered to human subjects at the given dose and rate infused. Also, pharmacokinetic data from the pilot study provided background information to proceed with a twelve subject study of the absolute bioavailability of dyphylline. In a two way crossover design twelve healthy male volunteers received a single 1000 mg dose of dyphylline orally as three conventional tablets (2 x 400 mg, 1 x 200 mg) or as a zero-order intravenous infusion (50 mg/min). A one week washout period separated administration of each dosage form. Plasma samples were collected over a 12 hour period and urine samples were collected for 48 hours post dosing. Urine and plasma samples were extracted and analyzed with high pressure liquid chromatography. Plasma drug concentration vs. time values after intravenous infusion were best described by a two compartment open model with first order elimination (average r² = 0.991 ± 0.007). The mean elimination half-life after intravenous administration calculated from the average β-value was 1.99 hours while the average half-life from the average β-value after oral administration was 1.87 hours. The mean absorption half-life calculated from the mean Ka was 12.2 minutes. Comparison of average AUC values obtained after administration of tablets (2829.7 meg x min/ml) to average AUC values after intravenous infusion (2944.6 meg x min/ml) indicates the mean biological availability was 96.5%. This is supported by urinary excretion data as an average of 768 mg of intact dyphylline was recovered in the urine after intravenous infusion and an average of 818 mg was recovered in the urine after oral administration of tablets. The urinary excretion ratio indicates the average oral bioavailability was 109%. It is concluded that dyphylline was rapidly and completely absorbed from the commercial tablet formulation investigated. Advisors/Committee Members: Ayres, James W. (advisor).

Subjects/Keywords: Xanthine – Permeability

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APA (6^th Edition):

Huston, T. K. (1983). The absolute bioavailability of dyphylline tablets in human subjects. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/41432

Chicago Manual of Style (16^th Edition):

Huston, Thomas K. “The absolute bioavailability of dyphylline tablets in human subjects.” 1983. Masters Thesis, Oregon State University. Accessed January 22, 2021. http://hdl.handle.net/1957/41432.

MLA Handbook (7^th Edition):

Huston, Thomas K. “The absolute bioavailability of dyphylline tablets in human subjects.” 1983. Web. 22 Jan 2021.

Vancouver:

Huston TK. The absolute bioavailability of dyphylline tablets in human subjects. [Internet] [Masters thesis]. Oregon State University; 1983. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1957/41432.

Council of Science Editors:

Huston TK. The absolute bioavailability of dyphylline tablets in human subjects. [Masters Thesis]. Oregon State University; 1983. Available from: http://hdl.handle.net/1957/41432

Oregon State University

15. Su, Charles. Hydraulic functions of soils from physical experiments and their applications.

Degree: PhD, Civil Engineering, 1976, Oregon State University

URL: http://hdl.handle.net/1957/44298

► Based upon the Pearson Type VIII distribution function, a general retention function which relates the saturation to the capillary pressure in disturbed soils has been… (more)

▼ Based upon the Pearson Type VIII distribution function, a general retention function which relates the saturation to the capillary pressure in disturbed soils has been discovered. This simple and yet complete function has been shown to describe precisely the imbibition as well as the drainage branch of the retention curve. It is defined by four readily assessed parameters that either have physical significance themselves or may be used to determine some hydraulic properties of the soil. With the assumption that the Burdine integrals are adequate, a relative permeability function has been derived through the substitution of the retention function for the integrands in the Burdine integrals. The permeability function is expressed in terms of the incomplete Beta function ratio whose value may be conveniently found in some mathematical tables. Further, a general pore-size distribution function of soils has been obtained from the retention function. The derivation of the pore-size distribution function enables more rigorous examination and further exploration of the theories concerning water movement in partially saturated soils. In this respect, an explanation of the phenomenon of air entrapment during imbibition has been offered through an energy concept based upon the pore-size distribution function along with the retention function. Two criteria of affinity have been established for porous media. Media are said to be affine if their corresponding pore-size distribution parameters are identical. The scaling factor for the external dimension of the model has been chosen to be the capillary pressure head at the inflection. point of the retnetion curve, whose value is always finite. The effect of the pore-size distribution parameters upon the retention, permeability and diffusivity curves has been analyzed. The analysis shows the parameter governing the downward concavity of the retention curve is as important as that governing the upward concavity when it comes to computing the permeability values from the retention data. A new and simple apparatus and procedure for obtaining the retention data of soil water in the laboratory have been developed. The technique can expedite the acquisition of the data for either the drainage or the imbibition branch of the retention curve. Advisors/Committee Members: Brooks, Royal H. (advisor), Klingeman, Peter C. (committee member).

Subjects/Keywords: Soil permeability

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APA (6^th Edition):

Su, C. (1976). Hydraulic functions of soils from physical experiments and their applications. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/44298

Chicago Manual of Style (16^th Edition):

Su, Charles. “Hydraulic functions of soils from physical experiments and their applications.” 1976. Doctoral Dissertation, Oregon State University. Accessed January 22, 2021. http://hdl.handle.net/1957/44298.

MLA Handbook (7^th Edition):

Su, Charles. “Hydraulic functions of soils from physical experiments and their applications.” 1976. Web. 22 Jan 2021.

Vancouver:

Su C. Hydraulic functions of soils from physical experiments and their applications. [Internet] [Doctoral dissertation]. Oregon State University; 1976. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1957/44298.

Council of Science Editors:

Su C. Hydraulic functions of soils from physical experiments and their applications. [Doctoral Dissertation]. Oregon State University; 1976. Available from: http://hdl.handle.net/1957/44298

Oregon State University

16. Al-Jibury, Falih Khidir. Saturated water permeability of soils as related to air permeability at different moisture tension.

Degree: PhD, Soils, 1960, Oregon State University

URL: http://hdl.handle.net/1957/50639

Subjects/Keywords: Soil permeability

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APA (6^th Edition):

Al-Jibury, F. K. (1960). Saturated water permeability of soils as related to air permeability at different moisture tension. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/50639

Chicago Manual of Style (16^th Edition):

Al-Jibury, Falih Khidir. “Saturated water permeability of soils as related to air permeability at different moisture tension.” 1960. Doctoral Dissertation, Oregon State University. Accessed January 22, 2021. http://hdl.handle.net/1957/50639.

MLA Handbook (7^th Edition):

Al-Jibury, Falih Khidir. “Saturated water permeability of soils as related to air permeability at different moisture tension.” 1960. Web. 22 Jan 2021.

Vancouver:

Al-Jibury FK. Saturated water permeability of soils as related to air permeability at different moisture tension. [Internet] [Doctoral dissertation]. Oregon State University; 1960. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1957/50639.

Council of Science Editors:

Al-Jibury FK. Saturated water permeability of soils as related to air permeability at different moisture tension. [Doctoral Dissertation]. Oregon State University; 1960. Available from: http://hdl.handle.net/1957/50639

Texas A&M University

17. Ding, Jihui. Experimental Study on Rock Deformation and Permeability Variation.

Degree: MS, Petroleum Engineering, 2013, Texas A&M University

URL: http://hdl.handle.net/1969.1/151377

► The development of a petroleum reservoir would inevitably induce a rearrangement of the in-situ stress field. The rearrangement of the stress field would then bring… (more)

Subjects/Keywords: rock deformation; axial permeability

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APA (6^th Edition):

Ding, J. (2013). Experimental Study on Rock Deformation and Permeability Variation. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/151377

Chicago Manual of Style (16^th Edition):

Ding, Jihui. “Experimental Study on Rock Deformation and Permeability Variation.” 2013. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/151377.

MLA Handbook (7^th Edition):

Ding, Jihui. “Experimental Study on Rock Deformation and Permeability Variation.” 2013. Web. 22 Jan 2021.

Vancouver:

Ding J. Experimental Study on Rock Deformation and Permeability Variation. [Internet] [Masters thesis]. Texas A&M University; 2013. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/151377.

Council of Science Editors:

Ding J. Experimental Study on Rock Deformation and Permeability Variation. [Masters Thesis]. Texas A&M University; 2013. Available from: http://hdl.handle.net/1969.1/151377

Texas A&M University

18. Apisaksirikul, Sarin. The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure.

Degree: MS, Petroleum Engineering, 2016, Texas A&M University

URL: http://hdl.handle.net/1969.1/157141

► In 2005 Huet proposed a semi-analytical model to correlate between rock permeability and capillary pressure data. The model was proposed with the intention to be… (more)

▼ In 2005 Huet proposed a semi-analytical model to correlate between rock permeability and capillary pressure data. The model was proposed with the intention to be a "universal" model where the correlation was unique over a wide range of rock types. The objectives of this study are to verify the power-law relationship between permeability and the mercury injection capillary pressure (MICP) parameters in Huet's semi-analytical model and to propose a new correlation to predict permeability from the MICP data. We used a data set consisting of 323 samples from different lithologies including tight, sandstone and carbonate reservoirs. The semi-analytical (Huet) model correlates permeability with porosity (), irreducible wetting phase saturation (Swi), displacement pressure (pd), and the pore-size distribution index () obtained from MICP data. The resulting correlation equation generated in this work shows very good coherence for permeabilities higher than 1 md and reasonably good coherence for permeabilities less than 1 md. In this work we have refitted the Huet model to our database of 323 samples and over the entire range of permeabilities considered (i.e., 1x10^-7 to 1x10⁴ md), 95 percent of the data are related to the proposed model by a factor of 9.1 or less, and 58 percent of the data are related to the proposed model by a factor of 2 or less. When the data are "partitioned," we find that our refitted model has a 95% prediction interval within a factor of 3.97 for permeability values greater than 1 md and 12.70 for permeability values less than 1 md. We also showed in this work that our proposed model outperformed the Swanson model to predict permeability from MICP data. In addition to the statistical work, we performed analytical derivations to establish an analytical relationship between the semi-analytical (Huet) model and the Swanson model. Our derivation results support the application of the semi-analytical model as a viable (and possibly superior) alternative to the Swanson model. Our analytical work also provides an insight into the viability of the Swanson model, which was developed empirically. Based on this derivation, we propose a new method to determine the Brooks-Corey capillary pressure model parameters as an alternative to the regression method. In short, this work has confirmed the power-law relationship between permeability and the mercury injection capillary pressure data to be valid for both sandstone and carbonate reservoirs. The new correlation model proposed should provide an improvement for the prediction of permeability from the mercury injection capillary pressure data. This work also holds promise in relating the Huet semi-analytical model to the Swanson empirical model directly, and we expect that (eventually) a type of "hybrid" model will evolve which will include the influence of both the Brooks-Corey and the Swanson capillary pressure models. Advisors/Committee Members: Blasingame, Thomas A. (advisor), Akkutlu, Yucel I. (committee member), Barrufet, Maria A. (committee member).

Subjects/Keywords: permeability; capillary pressure; MICP

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APA (6^th Edition):

Apisaksirikul, S. (2016). The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/157141

Chicago Manual of Style (16^th Edition):

Apisaksirikul, Sarin. “The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure.” 2016. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/157141.

MLA Handbook (7^th Edition):

Apisaksirikul, Sarin. “The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure.” 2016. Web. 22 Jan 2021.

Vancouver:

Apisaksirikul S. The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure. [Internet] [Masters thesis]. Texas A&M University; 2016. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/157141.

Council of Science Editors:

Apisaksirikul S. The Development and Application of a New Semi-Analytical Model to Estimate Permeability from Mercury Injection Capillary Pressure. [Masters Thesis]. Texas A&M University; 2016. Available from: http://hdl.handle.net/1969.1/157141

Texas A&M University

19. Sivon, Andrew Garret. Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs.

Degree: MS, Petroleum Engineering, 2018, Texas A&M University

URL: http://hdl.handle.net/1969.1/173337

► The prediction of production from stimulated ultra-low permeability (ULP) media using numerical simulation is thought to be highly correlated with the type of fracture model… (more)

▼ The prediction of production from stimulated ultra-low permeability (ULP) media using numerical simulation is thought to be highly correlated with the type of fracture model used in the simulator. Although there are some general rules about the applicability of these fracture models, there are no guidelines for the a-priori selection of the "most appropriate" model. In general, the selection of the fracture model is a matter of preference and/or familiarity of the person performing the modeling. This work presents modelling cases from the Eagle Ford (TX), Bakken (ND), Three Forks (ND), and Wolfcamp (TX) ULP formations where we compare and contrast fracture models. Production data from wells in the aforementioned formations are history-matched using models commonly available in commercial reservoir simulation programs. A hybrid simulation model consisting of a symmetry element which represents a single perforation cluster and accompanying induced fracture network is created. This network consists of a discrete hydraulic fracture in a media of one of the four following models to represent the reservoir and a possible stimulated reservoir volume (SRV): ● The equivalent continuum model (ECM) ● The dual porosity model (DP) ● The dual permeability model (DK) ● The multiple interactive continuum model (MINC) The "most representative" models are selected based on the history-matched data associated with a given case — and specifically, the physical dimension/relevance of the parameters that were matched. On a regional level, recommendations of particular models that provide the best match or appear to be more "applicable" across a reservoir are made. In addition, we consider and investigate the correlation between the model applicability and the reservoir attributes, the stimulation design, and the completion methods. These results are used to generate a set of guidelines that can form a basis for extending the findings of this work to reservoirs outside of the study. Advisors/Committee Members: Blasingame, Thomas A (advisor), Moridis, George J (advisor), Gildin, Eduardo (committee member), Valko, Peter P (committee member).

Subjects/Keywords: Simulation; Ultra-Low Permeability

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APA (6^th Edition):

Sivon, A. G. (2018). Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/173337

Chicago Manual of Style (16^th Edition):

Sivon, Andrew Garret. “Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs.” 2018. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/173337.

MLA Handbook (7^th Edition):

Sivon, Andrew Garret. “Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs.” 2018. Web. 22 Jan 2021.

Vancouver:

Sivon AG. Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs. [Internet] [Masters thesis]. Texas A&M University; 2018. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/173337.

Council of Science Editors:

Sivon AG. Developing Guidelines for the Selection of Appropriate Fracture Models in the Numerical Simulation of Ultra-Low Permeability Reservoirs. [Masters Thesis]. Texas A&M University; 2018. Available from: http://hdl.handle.net/1969.1/173337

Texas A&M University

20. Livingston Rose, Jeffryd Rose. Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification.

Degree: PhD, Civil Engineering, 2018, Texas A&M University

URL: http://hdl.handle.net/1969.1/173414

► The research discussed herein contains details about exploring a method for healing damaged drinking water pipe distribution systems. Two types of damage in the systems… (more)

▼ The research discussed herein contains details about exploring a method for healing damaged drinking water pipe distribution systems. Two types of damage in the systems were considered, namely cracking and decalcification. Radial permeability of the pipes was considered as the metric to measure the damage in the pipe systems. Highly scaled down miniaturized samples were used to study the effects. The effects of different types of flow in the permeability measurement were studied first. The difference in the types of permeability measurement, namely poromechanical method (Hollow Dynamic Pressurization) and accelerated flow through method (Radial Flow Through), showed that for cement paste having a unimodal pore network there is no measured difference. For materials with multimodal pore network distribution, namely cement mortar and concrete, there is a significant difference in permeability measurement between the two methods. The Radial Flow Through measures the flux of fluid across the cross-section of a material while the Hollow Dynamic Pressurization measures the flux of fluid into the smallest pore network of the material. Thus, the Radial Flow Through is primarily influenced by the largest pores in the cross section while the smaller pores primarily influence the Hollow Dynamic Pressurization. The Radial Flow Through method was chosen as the testing method for damage caused by cracking and Hollow Dynamic pressurization was chosen as the method for measuring permeability in damaged specimens caused by decalcification. The hollow cylindrical pipe section specimens were damaged in a controlled manner by cracking and decalcification. The damaged samples were healed by a healing solution that was seeded with calcium and carbonate ions to help accelerate the autogenous healing process in the samples. The effect of the healing was determined by measuring the permeability of the samples before and after healing. The results showed a permeability decrease of up to a factor of 4 for decalcified samples and up to a factor of 12.5 in the case of cracked samples. It was also determined that permeability loss due to cracking was significantly higher that caused by decalcification. The healed samples were imaged using X-ray Computed Tomography to provide more details of the healing precipitation. The resulting images were too sensitive to thresholding effects to provide a clear result. Scanning Electron Microscope assisted Energy Dispersive Spectroscopy was used to isolate the precipitation location of the healing precipitates in the samples. The precipitation was primarily determined to be present along the inner surface of the hollow cylindrical pipe section specimen covering up the crack mouth of the damaged specimen and healing the sample. Advisors/Committee Members: Grasley, Zachary (advisor), Mukhopadhyay, Anol (advisor), Sanchez, Marcelo (committee member), Abedi, Sara (committee member).

Subjects/Keywords: Autogenous Healing; Permeability; Cementetious Materials

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APA (6^th Edition):

Livingston Rose, J. R. (2018). Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/173414

Chicago Manual of Style (16^th Edition):

Livingston Rose, Jeffryd Rose. “Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification.” 2018. Doctoral Dissertation, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/173414.

MLA Handbook (7^th Edition):

Livingston Rose, Jeffryd Rose. “Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification.” 2018. Web. 22 Jan 2021.

Vancouver:

Livingston Rose JR. Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification. [Internet] [Doctoral dissertation]. Texas A&M University; 2018. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/173414.

Council of Science Editors:

Livingston Rose JR. Mechanics of Accelerated Autogenous Healing of Concrete Water Distribution Systems Damaged by Cracking and Decalcification. [Doctoral Dissertation]. Texas A&M University; 2018. Available from: http://hdl.handle.net/1969.1/173414

Texas A&M University

21. Martynova, Elena. Single-well Modeling of Coalbed Methane Production.

Degree: MS, Petroleum Engineering, 2014, Texas A&M University

URL: http://hdl.handle.net/1969.1/152465

► The presented study concerns the unconventional coal bed methane (CBM) fields that imply peculiarity of their evaluation. The theoretical basis of the CBM field development… (more)

Subjects/Keywords: Coalbed Methane; Permeability; Modeling

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APA (6^th Edition):

Martynova, E. (2014). Single-well Modeling of Coalbed Methane Production. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/152465

Chicago Manual of Style (16^th Edition):

Martynova, Elena. “Single-well Modeling of Coalbed Methane Production.” 2014. Masters Thesis, Texas A&M University. Accessed January 22, 2021. http://hdl.handle.net/1969.1/152465.

MLA Handbook (7^th Edition):

Martynova, Elena. “Single-well Modeling of Coalbed Methane Production.” 2014. Web. 22 Jan 2021.

Vancouver:

Martynova E. Single-well Modeling of Coalbed Methane Production. [Internet] [Masters thesis]. Texas A&M University; 2014. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1969.1/152465.

Council of Science Editors:

Martynova E. Single-well Modeling of Coalbed Methane Production. [Masters Thesis]. Texas A&M University; 2014. Available from: http://hdl.handle.net/1969.1/152465

Penn State University

22. Izadi, Ghazal. Evolution of Permeability and Induced Seismicity within Fractured Reservoirs.

Degree: 2012, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/16205

► Fractured in geologic media, advective transport, heat transfer and chemical transport can change the porosity during short- to long-term fluid circulation that results from changes… (more)

▼ Fractured in geologic media, advective transport, heat transfer and chemical transport can change the porosity during short- to long-term fluid circulation that results from changes in mineral volume fractions. The porosity-permeability correlation in geologic media can be complex and depends on several factors such as fracture size distribution, fracture orientations, fracture network connectivity and in situ stresses, among others. Within fractured reservoirs under geothermal conditions, coupling between fluid transport, mechanical response, heat transfer and chemical reactions may change the permeability and influence the induced seismicity both during short-term reservoir stimulation and long-term production. During short-term stimulation, rapid enhancement of fracture permeability occurs as a result of circulating fluid through these fracture networks. During long-term production, hydraulic and thermal effects both contribute to the reactivation of the natural fracture networks and that also enhances the reservoir permeability. During the reactivation of pre-existing fractures due to hydraulic transport and mechanical deformation, seismic events occur when fluid circulates between the injection and production wells with a large number of high magnitude events associated with the initiation of the reservoir stimulation. Determining dominant behaviors that control the enhancement of permeability and the triggering of induced seismicity is the main focus of this work. This dissertation examines the role of coupled thermal, hydraulic, mechanical and chemical effects on various fracture networks in promoting the failure of pre-existing fractures and their influence on the evolution of seismicity and of permeability. Part I of this thesis (Chapters 1 and 2) explores the behavior of engineered geothermal systems under the response of complex interactions that change the permeability and induce seismicity. First a model is introduced to evaluate the rate of propagation of seismicity within a fractured reservoir that represents the Cooper Basin geothermal field. This model is used in Chapter 1 to explore the spatial and temporal distribution of seismic activity within reservoir and to replicate observed patterns. We then apply this understanding (Chapter 2) to more complex fracture networks utilized to explore the reservoir behaviors during reservoir stimulation to production and in understanding the effects that can promote induced seismicity. This model is applied for both the Cooper Basin and Coso geothermal field, for which data are available. The models developed and validated in Chapters 1 and 2 are then applied to project the response of the Newberry EGS demonstration project to both stimulation (Chapter 3) and long-term production (Chapter 4). Part II (Appendix) explores the role of strains developed in unconstrained sorbing and swelling fractured media (coal) and their role in evolving permeability and in understanding the behavior when CO2 is injected into ECBM or into sequestration sites. In chapter 1, we… Advisors/Committee Members: Derek Elsworth, Dissertation Advisor/Co-Advisor, Derek Elsworth, Committee Chair/Co-Chair, Zuleima T Karpyn, Committee Member, Li Li, Committee Member, Chris Marone, Committee Member, Yilin Wang, Committee Member.

Subjects/Keywords: permeability Evolution; Induced Seismicity

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APA (6^th Edition):

Izadi, G. (2012). Evolution of Permeability and Induced Seismicity within Fractured Reservoirs. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/16205

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Izadi, Ghazal. “Evolution of Permeability and Induced Seismicity within Fractured Reservoirs.” 2012. Thesis, Penn State University. Accessed January 22, 2021. https://submit-etda.libraries.psu.edu/catalog/16205.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Izadi, Ghazal. “Evolution of Permeability and Induced Seismicity within Fractured Reservoirs.” 2012. Web. 22 Jan 2021.

Vancouver:

Izadi G. Evolution of Permeability and Induced Seismicity within Fractured Reservoirs. [Internet] [Thesis]. Penn State University; 2012. [cited 2021 Jan 22]. Available from: https://submit-etda.libraries.psu.edu/catalog/16205.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Izadi G. Evolution of Permeability and Induced Seismicity within Fractured Reservoirs. [Thesis]. Penn State University; 2012. Available from: https://submit-etda.libraries.psu.edu/catalog/16205

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Penn State University

23. Zhou, Qiumei. Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration .

Degree: 2013, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/19193

► Permeability and porosity are two very important reservoir properties needed to be accurately measured when studying gas and oil reservoirs, which are essential for designing… (more)

▼ Permeability and porosity are two very important reservoir properties needed to be accurately measured when studying gas and oil reservoirs, which are essential for designing an optimal and efficient development program of an oil and gas field. There are several ways to determine the permeability and porosity, such as laboratory experiments. It is using cores obtained from a reservoir, which is expensive, complicated, labor intensive and time consuming. Another way is well logging, which has difficulties and uncertainties to directly interpret permeability and porosity. Therefore, alternate methodologies for accurate determination of permeability and porosity are desirable. An artificial neural network (ANN) has the potential to build a model that can be used as an effective tool for permeability and porosity prediction. It has the ability to understand a highly non – linear relationship and to perform simulation studies in a rapid manner. Artificial neural networks for this problem were developed based on well test data, which is more accurate and reflects the whole ̶ flow characteristic in porous media as compared to laboratory and well ̶ logging methods. Moreover, comparing it with other simulation models, the artificial neural network model is not restricted by difficulty to update for different systems. In this study, the model is built with data from dual ̶ lateral wells, which are the major methods to achieve higher accumulative production to meet the current high demand of energy consumption. In previous studies (Basbug, 2007), the authors predicted permeability and porosity with only reservoir and fluid properties without specifying the well type in the reservoir. Therefore, their model may not apply to the situation with dual ̶ lateral wells. In this study, the well ̶ configuration parameter and well test data are added into the ANN model, which is more accurate in estimating permeability and porosity as compared to the previous model. An artificial neural network consists of two primary elements: neurons and interconnections. The number and kinds of neurons are determined by training and learning processes that depend on the input and output data. In the development of the ANN model here, a wide range of data sets were collected from the literature. Those data sets were used for training, testing and validating the proposed model. The objective of this study is to generate two ANN models. The forward model was built to generate the pressure transient data and estimate whether the surface flow rate is reasonable for a specified reservoir. The inverse ANN model was developed to determine permeability and porosity of a specified reservoir with dual ̶ lateral wells. And two Graphic User Interfaces were developed for the forward and inverse ANN models. In the end, the inverse neural network was applied to heterogeneous and anisotropic system to see how well it can perform. For homogeneous and anisotropic system, the forward neural network has approx 86% probability to obtain the result within 0-5% error. The… Advisors/Committee Members: Turgay Ertekin, Thesis Advisor/Co-Advisor.

Subjects/Keywords: ANN PRESSURE TRANSIENT PERMEABILITY POROSITY

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APA (6^th Edition):

Zhou, Q. (2013). Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration . (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/19193

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zhou, Qiumei. “Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration .” 2013. Thesis, Penn State University. Accessed January 22, 2021. https://submit-etda.libraries.psu.edu/catalog/19193.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zhou, Qiumei. “Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration .” 2013. Web. 22 Jan 2021.

Vancouver:

Zhou Q. Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration . [Internet] [Thesis]. Penn State University; 2013. [cited 2021 Jan 22]. Available from: https://submit-etda.libraries.psu.edu/catalog/19193.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zhou Q. Development And Application Of An Artificial Expert System For the Pressure Transient Analysis Of A Dual ̶ Lateral Well configuration . [Thesis]. Penn State University; 2013. Available from: https://submit-etda.libraries.psu.edu/catalog/19193

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Penn State University

24. Abaa, Kelvin Nder. Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones.

Degree: 2016, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/28869

► Injection of large volumes of fluids during fracture treatment may result in leak-off, capillary imbibition and trapping of the fracturing fluid filtrate in the pores… (more)

▼ Injection of large volumes of fluids during fracture treatment may result in leak-off, capillary imbibition and trapping of the fracturing fluid filtrate in the pores of the reservoir. The trapped fluid affects the mobility of hydrocarbons during clean-up and production. Additionally, the fracturing fluid filtrate near wellbore and fracture region is one of variable composition and can induce alterations in rock-fluid and fluid-fluid interactions. The concomitant changes in multiphase permeability during fluid invasion and clean-up is one that is not fully understood. The aim of this study is to investigate the role fracturing fluid filtrate composition has on the evolution of multiphase permeability during imbibition and drainage of the aqueous phase. In this work, multiphase flow of fracturing fluid filtrate in low permeability sandstones was investigated by means of laboratory experiments for three commonly employed fracturing fluids. The multiphase flow experiments were conducted using brine, helium and filtrate from various fracturing fluids in sandstones cores of different permeabilities. The alteration of rock-fluid properties and changes in interfacial tension in the presence of gas was determined by evaluation of the obtained relative permeability curves to both gas and liquid/filtrate phase. Experimental results indicate that there was a reduction in end-point and liquid phase relative permeability following imbibition of slickwater into the core sample. The liquid phase relative permeability decreases with increasing concentration of friction reducer (Polyacrylamide solution) present in the fluid system. Adsorption flow experiments with slickwater confirm the adsorption of polyacrylamide molecules to the pore walls of the rock sample and results in increased wettability of the rock sample. This process was found to increase liquid trapping potential of the rock surface. For linear and crosslinked gels, filtrate composition does not have a significant effect on liquid relative permeability during fluid invasion due to limited polymer invasion into the core. This study also investigated the effect of alcohol and surfactant used as remediation additives on multiphase permeability evolution with different fracturing fluid systems. Multiphase permeability flow tests were conducted to determine, understand and quantify the mechanisms that govern multiphase permeability evolution using alcohols and surfactants to remediate aqueous phase trapping. Methanol and two surfactant chemicals, Novec FC-4430 and Triton X-100 were used as remediation additives in this study. Results from multiphase permeability flow tests conducted with methanol indicated that the volume of liquid removed by displacement increases with methanol concentrations for all fracturing fluids. This is attributed to increased liquid mobility from addition of methanol during the displacement process. Interfacial tension does not contribute to multiphase permeability during the displacement phase. Additionally, friction reducer alters the flow… Advisors/Committee Members: Mku Thaddeus Ityokumbul, Dissertation Advisor/Co-Advisor, Yilin Wang, Committee Chair/Co-Chair, Derek Elsworth, Committee Member, Kwadwo Osseo Asare, Special Member.

Subjects/Keywords: Multiphase; Filtrate; Fracturing; Permeability; Sandstones

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APA (6^th Edition):

Abaa, K. N. (2016). Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/28869

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Abaa, Kelvin Nder. “Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones.” 2016. Thesis, Penn State University. Accessed January 22, 2021. https://submit-etda.libraries.psu.edu/catalog/28869.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Abaa, Kelvin Nder. “Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones.” 2016. Web. 22 Jan 2021.

Vancouver:

Abaa KN. Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones. [Internet] [Thesis]. Penn State University; 2016. [cited 2021 Jan 22]. Available from: https://submit-etda.libraries.psu.edu/catalog/28869.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Abaa KN. Laboratory Investigation of Multiphase Permeability Evolution due to Fracturing Fluid Filtrate in Tight Gas Sandstones. [Thesis]. Penn State University; 2016. Available from: https://submit-etda.libraries.psu.edu/catalog/28869

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

North Carolina State University

25. Bacchi, Christopher J. Investigation of Over-Permeable Superpave Surface Mixes in North Carolina.

Degree: MS, Civil Engineering, 2002, North Carolina State University

URL: http://www.lib.ncsu.edu/resolver/1840.16/917

► Superpave was introduced in 1994, as a result of the Strategic Highway Research Program (SHRP) and was aimed at addressing the performance of asphalt concrete… (more)

▼ Superpave was introduced in 1994, as a result of the Strategic Highway Research Program (SHRP) and was aimed at addressing the performance of asphalt concrete pavements. This SHRP study recommended new specifications for asphalt mixture designs which included performance graded binders, performance related aggregate properties, and new principles for volumetric mix designs. With these new mix design principles, it was evident that Superpave mix designs would contain more coarse aggregates and less natural sands. With the introduction of Superpave, many in the Asphalt industry feared that the recommended coarse structured mixes would be very difficult to compact and highly permeable compared to the Marshall mixes they were replacing. In North Carolina, we have seen instances where this theory was proven true and have witnessed coarse Superpave mixes that have been permeable. In general, the cause of this permeability may be due to increased voids caused by improper compaction that results from the coarse nature of the designs, which in turn creates interconnected voids that will transmit water through the pavement. A remedy to the permeability problem may be a new test that can determine in the laboratory if certain mixes are susceptible to permeability. This test is discussed in this study. The data represented in this study shows the causes of permeability in a small group of pavements that were sampled and should not be misinterpreted to imply that this small number of distressed pavements is indicative of all Superpave mixes. The selected mixes are a cross section of surface mixes used across the State of North Carolina. The permeability test method discussed in this study is a very simple procedure and the data presented show that this test can be used for predicting field permeability of Superpave surface mixtures. The coarse graded mixes performed poorly in the lab permeability tests and the fine graded mixes proved to be very impermeable. This study also evaluated mixes using laboratory performance tests. The results show that the coarse graded mixes and fine graded surface mixes perform equally well under laboratory performance testing at a given void content that matches the in-situ properties. Using these lab tests and the results of this study, a clearer understanding of the effects of water in asphalt pavements and how to prevent this water infiltration has been obtained and new specification changes have been recommended to reduce any future permeability problem with Superpave surface mixes. Advisors/Committee Members: Akhtar Tayebali, Committee Chair (advisor).

Subjects/Keywords: Superpave; permeability

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APA (6^th Edition):

Bacchi, C. J. (2002). Investigation of Over-Permeable Superpave Surface Mixes in North Carolina. (Thesis). North Carolina State University. Retrieved from http://www.lib.ncsu.edu/resolver/1840.16/917

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bacchi, Christopher J. “Investigation of Over-Permeable Superpave Surface Mixes in North Carolina.” 2002. Thesis, North Carolina State University. Accessed January 22, 2021. http://www.lib.ncsu.edu/resolver/1840.16/917.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bacchi, Christopher J. “Investigation of Over-Permeable Superpave Surface Mixes in North Carolina.” 2002. Web. 22 Jan 2021.

Vancouver:

Bacchi CJ. Investigation of Over-Permeable Superpave Surface Mixes in North Carolina. [Internet] [Thesis]. North Carolina State University; 2002. [cited 2021 Jan 22]. Available from: http://www.lib.ncsu.edu/resolver/1840.16/917.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bacchi CJ. Investigation of Over-Permeable Superpave Surface Mixes in North Carolina. [Thesis]. North Carolina State University; 2002. Available from: http://www.lib.ncsu.edu/resolver/1840.16/917

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Adelaide

26. Dodd, William A. The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing.

Degree: 1966, University of Adelaide

URL: http://hdl.handle.net/2440/115515

Subjects/Keywords: Cells – Permeability

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APA (6^th Edition):

Dodd, W. A. (1966). The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing. (Thesis). University of Adelaide. Retrieved from http://hdl.handle.net/2440/115515

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Dodd, William A. “The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing.” 1966. Thesis, University of Adelaide. Accessed January 22, 2021. http://hdl.handle.net/2440/115515.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Dodd, William A. “The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing.” 1966. Web. 22 Jan 2021.

Vancouver:

Dodd WA. The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing. [Internet] [Thesis]. University of Adelaide; 1966. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/2440/115515.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Dodd WA. The ionic relations of Chaetomorpha darwinii (Hooker) Kuetzing. [Thesis]. University of Adelaide; 1966. Available from: http://hdl.handle.net/2440/115515

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

27. He, Jun. Research about low permeability measurement.

Degree: MS, Geology, 2013, University of North Dakota

URL: https://commons.und.edu/theses/130

► Petroleum exploration and production from shale formations have gained great attention throughout the world in the last decade. Producing the hydrocarbons from shale is… (more)

Subjects/Keywords: Shale – Permeability – Measurement; Geology

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APA (6^th Edition):

He, J. (2013). Research about low permeability measurement. (Masters Thesis). University of North Dakota. Retrieved from https://commons.und.edu/theses/130

Chicago Manual of Style (16^th Edition):

He, Jun. “Research about low permeability measurement.” 2013. Masters Thesis, University of North Dakota. Accessed January 22, 2021. https://commons.und.edu/theses/130.

MLA Handbook (7^th Edition):

He, Jun. “Research about low permeability measurement.” 2013. Web. 22 Jan 2021.

Vancouver:

He J. Research about low permeability measurement. [Internet] [Masters thesis]. University of North Dakota; 2013. [cited 2021 Jan 22]. Available from: https://commons.und.edu/theses/130.

Council of Science Editors:

He J. Research about low permeability measurement. [Masters Thesis]. University of North Dakota; 2013. Available from: https://commons.und.edu/theses/130

Rice University

28. Chen, Zeliang. Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations.

Degree: PhD, Natural Sciences, 2019, Rice University

URL: http://hdl.handle.net/1911/106197

► Unconventional resources are of great importance in the global energy supply. This thesis develops new techniques and presents fundamental research serving unconventional formations evaluation for… (more)

▼ Unconventional resources are of great importance in the global energy supply. This thesis develops new techniques and presents fundamental research serving unconventional formations evaluation for the petroleum industry. First, hydrocarbon composition is a critical input to formation evaluation. In this thesis, a new technique using laboratory Nuclear Magnetic Resonance (NMR) core-analysis integrated with downhole NMR logging is developed to estimate the hydrocarbon composition in an organic-rich chalk prospect. More specifically, the contrasts in T2 and T1/T2 distributions between fluids are used for fluid typing. Meanwhile, another technique based on the NMR laboratory-measured restricted diffusion of light hydrocarbons is proposed to estimate the mean pore size, heterogeneity length scale, and tortuosity of the hydrocarbon-filled porosity. Second, it has been commonly observed that in organic-rich shale, the saturating hydrocarbons have higher NMR T1/T2 ratio than the saturating water. However, the origin of the high T1/T2 ratio was not clearly understood until now. In this thesis, the organic matter (i.e., kerogen) in the organic-rich shale is isolated for investigation. It is confirmed that the saturating heptane in kerogen has higher T1/T2 ratio than water in kerogen and clays, which validates the fluid typing technique providing the wettability. This thesis also proves that the high T1/T2 ratio originates from dissolved heptane in kerogen and/or bitumen, where the dominant relaxation mechanism can be the 1H-1H dipole-dipole interaction, as a result of nanopore confinement. Last but not least, permeability is an indicator of the producibility of reservoirs, and thereby a critical petrophysical property during formation evaluation. The existing ultralow-permeability measurement approaches for unconventional formations, including both steady-state and unsteady-state approaches, confronting various challenges. In this thesis, a novel unsteady-state method is proposed to determine the permeability by history matching, which consists of 1D transient-pressure experiments and numerical simulation incorporating real-gas pseudo pressure and table lookup. This novel method helps to improve the experimental efficiency, simplify the set-ups, reduce the interpretation complexity, and alleviate the pressure-limit constraint. These new technologies and fundamental understandings could in principle be used to improve the evaluation of unconventional formations. Advisors/Committee Members: Hirasaki, George J (advisor).

Subjects/Keywords: Formation Evaluation; NMR; Permeability; Simulation

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APA (6^th Edition):

Chen, Z. (2019). Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations. (Doctoral Dissertation). Rice University. Retrieved from http://hdl.handle.net/1911/106197

Chicago Manual of Style (16^th Edition):

Chen, Zeliang. “Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations.” 2019. Doctoral Dissertation, Rice University. Accessed January 22, 2021. http://hdl.handle.net/1911/106197.

MLA Handbook (7^th Edition):

Chen, Zeliang. “Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations.” 2019. Web. 22 Jan 2021.

Vancouver:

Chen Z. Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations. [Internet] [Doctoral dissertation]. Rice University; 2019. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1911/106197.

Council of Science Editors:

Chen Z. Core Analysis and Core-Log Integration for Evaluation of Unconventional Formations. [Doctoral Dissertation]. Rice University; 2019. Available from: http://hdl.handle.net/1911/106197

University of Wollongong

29. Florentin, Raul Maria Melgarejo. Characterisation of the parameters influencing the storage and drainage of gas in coal.

Degree: PhD, 2012, University of Wollongong

URL: 0914 RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY ; https://ro.uow.edu.au/theses/3805

► Adsorption and desorption characteristics of coal samples of the Bulli seam were examined with respect to coal particle size, gas type, and temperature. Adsorption… (more)

▼ Adsorption and desorption characteristics of coal samples of the Bulli seam were examined with respect to coal particle size, gas type, and temperature. Adsorption and desorption tests were conducted by an indirect gravimetric method to determine the gas content in coal. Various coal particle sizes, 0.21 mm, 0.30 mm, 1.18 mm, 2.36 mm, 4.75 mm, 6.70 mm, 8.00 mm and 15 mm cubical blocks were examined in addition to the 54 mm diameter coal core. The coal samples were subjected to gas pressure increase, in steps of 500 kPa, up to 4 000 kPa. The coal samples were tested with N₂, CO₂ and CH₄ gas, as single and as mixed gases, at temperatures of 21, 24 and 28 °C. The reported results suggest that the adsorbed mass in coal depends strongly on gas type, sorption time, temperature, and particle size. Saturation time appears to be dependent on gas type but independent of particle size. The minimum saturation time with N₂ and CO₂ gas was found to be approximately two day (2 880 min) while with CH₄ gas it took one day (1 440 min) longer to reach an equilibrium pressure. In addition, there appears to be a hysteresis between adsorption and desorption curves in all the coals tested and with all three gases (N₂, CO₂ and CH₄) investigated. The residual adsorbed mass in coal at atmospheric pressure was found to be about 20-50%, of the maximum gas content at 4 000 kPa, depending on gas type. Experiments were also conducted to examine the effect of displacing the adsorbed CO₂ and CH₄ gases and their binary mixture in coal by the injection of N₂ gas. To study the feasibility of removing the initially adsorbed gas from coal with another gas, experiments were conducted using an in-house built multi-function outburst research rig. The results revealed that CO₂ gas desorption increased by almost 30% as a result of N₂ gas injection, which was about double that obtained without N₂ gas injection. This finding has a significant bearing in solving the drainage difficulties experienced at rich CO₂ gas concentration zones such as at West Cliff Colliery, area 5, where this study was focused.

Subjects/Keywords: isotherm; coal; n2 injection; permeability

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APA (6^th Edition):

Florentin, R. M. M. (2012). Characterisation of the parameters influencing the storage and drainage of gas in coal. (Doctoral Dissertation). University of Wollongong. Retrieved from 0914 RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY ; https://ro.uow.edu.au/theses/3805

Chicago Manual of Style (16^th Edition):

Florentin, Raul Maria Melgarejo. “Characterisation of the parameters influencing the storage and drainage of gas in coal.” 2012. Doctoral Dissertation, University of Wollongong. Accessed January 22, 2021. 0914 RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY ; https://ro.uow.edu.au/theses/3805.

MLA Handbook (7^th Edition):

Florentin, Raul Maria Melgarejo. “Characterisation of the parameters influencing the storage and drainage of gas in coal.” 2012. Web. 22 Jan 2021.

Vancouver:

Florentin RMM. Characterisation of the parameters influencing the storage and drainage of gas in coal. [Internet] [Doctoral dissertation]. University of Wollongong; 2012. [cited 2021 Jan 22]. Available from: 0914 RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY ; https://ro.uow.edu.au/theses/3805.

Council of Science Editors:

Florentin RMM. Characterisation of the parameters influencing the storage and drainage of gas in coal. [Doctoral Dissertation]. University of Wollongong; 2012. Available from: 0914 RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY ; https://ro.uow.edu.au/theses/3805

Oregon State University

30. Klock, Glen O. Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability.

Degree: PhD, Soils, 1967, Oregon State University

URL: http://hdl.handle.net/1957/46700

► A number of investigators have proposed equations to predict the permeability of porous media. Most of their equations are based on the distributions of the… (more)

▼ A number of investigators have proposed equations to predict the permeability of porous media. Most of their equations are based on the distributions of the sizes of the various contributing pores in the medium. Presently the pore size distributions of agricultural soils are most commonly obtained from soil water release curves. The pressure scale is converted into an equivalent pore diameter scale by means of the pressure of displacement equation. This method is time consuming. The study reported in this thesis was initiated to (1) use a mercury intrusion method to obtain pore size distributions of porous materials similar to agricultural soils, (2) use the pore size distributions thus obtained with existing equations to calculate intrinsic permeability and (3) compare the calculated permeability values with measured values for a range of particle size distributions. The permeabilities and the pore size distributions of 54 systematically selected particle size classes of glass beads and crushed quartz sand were measured. The particle size classes ranged from 44 to 246 microns in diameter. The pore size distributions were evaluated and used in Marshall's proposed permeability prediction equation. The measured permeabilities did not agree with the calculated values until a correction factor which is a function of the pore diameter was used. It is apparent that the pressure of displacement equation measures only an effective pore dimension. Permeability prediction equations require the evaluation of an effective hydraulic dimension. These two dimensions are different and are influenced by the geometry of the pore aperture. A necessary correction factor has been developed which accounts for the difference between the measured and hydraulic dimension when the mercury intrusion technique is used to measure pore size distributions. The results of this study have improved and given a better theoretical basis for permeability predictions equations. Advisors/Committee Members: Boersma, Larry (advisor).

Subjects/Keywords: Soil permeability

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Klock, G. O. (1967). Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/46700

Chicago Manual of Style (16^th Edition):

Klock, Glen O. “Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability.” 1967. Doctoral Dissertation, Oregon State University. Accessed January 22, 2021. http://hdl.handle.net/1957/46700.

MLA Handbook (7^th Edition):

Klock, Glen O. “Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability.” 1967. Web. 22 Jan 2021.

Vancouver:

Klock GO. Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability. [Internet] [Doctoral dissertation]. Oregon State University; 1967. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1957/46700.

Council of Science Editors:

Klock GO. Pore size distributions as measured by the mercury intrusion method and their use in predicting permeability. [Doctoral Dissertation]. Oregon State University; 1967. Available from: http://hdl.handle.net/1957/46700

Open Access Theses and Dissertations