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University of Adelaide

1. Hawke, Peter James. An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin.

Degree: 2017, University of Adelaide

The intracratonic Canning Basin, Western Australia, contains three Palaeozoic petroleum systems (The Larapintine L2, Ordovician – Silurian; The Larapintine L3 and L4, Devonian – early Carboniferous; and the Gondwannan G1 and G2, late Carboniferous – Permian). The NW-SE oriented Fitzroy Trough and Gregory Sub-basin (separated only by the Jones Arch) are the regional source kitchens, and shelfal positions updip from the Fitzroy Trough are oil productive from the Larapintine L3 and L4 petroleum system in fields such as Blina and Sundown, and more recently the Ungani field. A lack of exploration drilling in comparable shelfal positions updip from the Gregory Sub-basin is perceived to account for the absence of similar hydrocarbon discoveries. Through the use of a newly reprocessed regional 2D seismic grid and an enhanced stratigraphic framework produced from well correlations and palaeogeographic reconstructions, it is demonstrated that elements of all of the three petroleum systems are present on the Betty Terrace, Balgo Terrace and within the Billiluna Sub-basin of the northeast Canning Basin. Good quality reservoirs such as the late Devonian Knobby Sandstone (averaging 20.6% porosity and 567 mD permeability), the Tournaisian Laurel Formation (featuring up to 22% porosity), members of Visean-Sakmarian Grant Group (up to 18.5% porosity and 1015 mD permeability), and the Sakmarian Poole Sandstone (in excess of 20% porosity) were intersected in well bores, tied to 2D seismic data and mapped throughout the study area. Stratigraphy with regional seal potential (including Laurel Formation shales, the Grant Group B member, shales of the mid-Carboniferous Anderson Formation and the Permian Noonkanbah Formation) are determined from exploration wells to be present across the project area. A regional geochemical source rock assessment indicates that the Permian Noonkanbah Formation is organically rich (2.17% TOC), and that the pre-Carboniferous stratigraphy (members of Anderson Formation, 0.14% TOC; Laurel Formation, 0.56% TOC; Devonian Gogo Formation, 0.14% TOC; and the Silurian Carribuddy Group Bongabinni Member, 0.13% TOC) are organically lean. The Llanvirn Goldwyer Formation (1.5% TOC) is regionally organically rich, though is unlikely to be found in a basinal palaeogeographic setting within the study area. Thermal maturity was investigated using 1D and 2D petroleum systems models, which determined that (1) the Noonkanbah Formation is immature, and (2) that the pre-Carboniferous source rocks are mature for hydrocarbon generation, reaching peak thermal maturity in the Triassic (200 Ma). 4-way dip closures, 3-way fault bound dip closures, and horst block trapping configurations were identified on 2D seismic, but an analysis of exploratory dry holes indicates that structural closures that developed in the Carboniferous were likely reconfigured during the Triassic Fitzroy Movement, where hydrocarbons leaked out of traps. Modelling indicates that the timing of hydrocarbon generation occurred over two main periods; the… Advisors/Committee Members: Holford, Simon (advisor), Hamilton, Douglas (advisor), Australian School of Petroleum (school).

Subjects/Keywords: Petroleum systems; Petroleum system model; Billiluna Sub-basin; Canning Basin; seismic interpretationsedimentology; sedimentology; well log interpretation; petroleum exploration

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

APA (6th Edition):

Hawke, P. J. (2017). An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin. (Thesis). University of Adelaide. Retrieved from http://hdl.handle.net/2440/119462

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

Chicago Manual of Style (16th Edition):

Hawke, Peter James. “An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin.” 2017. Thesis, University of Adelaide. Accessed December 06, 2019. http://hdl.handle.net/2440/119462.

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

MLA Handbook (7th Edition):

Hawke, Peter James. “An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin.” 2017. Web. 06 Dec 2019.

Vancouver:

Hawke PJ. An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin. [Internet] [Thesis]. University of Adelaide; 2017. [cited 2019 Dec 06]. Available from: http://hdl.handle.net/2440/119462.

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

Council of Science Editors:

Hawke PJ. An evaluation of petroleum systems within the Billiluna Sub-basin and adjacent structural regions, northeastern Canning Basin. [Thesis]. University of Adelaide; 2017. Available from: http://hdl.handle.net/2440/119462

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

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