Academic literature on the topic 'Earth temperature Western Australia Carnarvon Basin'

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Journal articles on the topic "Earth temperature Western Australia Carnarvon Basin"

1

Ghori, K. Ameed. "Petroleum data: leading the search for geothermal resources in Western Australia." APPEA Journal 49, no. 1 (2009): 365. http://dx.doi.org/10.1071/aj08022.

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In Western Australian basins, subsurface drill-hole data, primarily from petroleum exploration, allows the identification of regions of high temperature at depth that may be potential geothermal resources. The extent and economic viability of such resources remain poorly known and require further study. Observed temperatures at depths up to 4.5 km reach 150°C in parts of the Canning, Carnarvon and Perth basins, indicating low-enthalpy resources related to regional heat flow. The greatest potential for hydrothermal resources is in the Perth Basin where subsurface temperatures of 65–85°C are reached at 2–3.5 km depth. Heat-flow modelling of 170 Perth Basin wells shows a range of 30–140 mW/m2, with the highest surface heat-flow values in the northern part of the basin. The median value of 76.5 mW/m2 for this basin exceeds the average reported for the Australian continent—64.5 mW/m2. Potential hot rocks resources are present in parts of the Canning, Carnarvon and Perth basins where the depth to 200°C is less than 5 km. Knowledge of high subhorizontal stress conditions that can enhance geothermal water flow from engineered reservoirs are based on data mostly from petroleum wells in the Perth Basin. A systematic quantitative assessment of geological, hydrogeological, geophysical, stress orientation and geochemical conditions is required to further delineate and prove these resources. Progressive compilation, validation and interpretation of subsurface data from more than 800 wells is underway, and includes temperature logs of 47 shallow water bores and 30 new thermal conductivity measurements of Perth Basin wells. Data compilation from 580 wells in the Canning, Carnarvon and Perth basins is complete. To date the greatest number of wells indicating high geothermal gradients and temperatures are in the Carnarvon Basin.
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2

LEVER, H., and C. M. FANNING. "Alunite alteration of tuffaceous layers and zircon dating, Upper Permian Kennedy Group, Carnarvon Basin, Western Australia." Australian Journal of Earth Sciences 51, no. 2 (April 2004): 189–203. http://dx.doi.org/10.1111/j.1440-0952.2004.01050.x.

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3

van Ruth, Peter, Richard Hillis, and Peter Tingate. "The origin of overpressure in the Carnarvon Basin, Western Australia: implications for pore pressure prediction." Petroleum Geoscience 10, no. 3 (July 2004): 247–57. http://dx.doi.org/10.1144/1354-079302-562.

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4

Ghori, K. Ameed R., Arthur J. Mory, and Robert P. Iasky. "Modeling petroleum generation in the Paleozoic of the Carnarvon Basin, Western Australia: Implications for prospectivity." AAPG Bulletin 89, no. 1 (January 2005): 27–40. http://dx.doi.org/10.1306/08150403134.

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5

Frank, T. D., J. M. Pritchard, C. R. Fielding, and A. J. Mory. "Cold-water carbonate deposition in a high-latitude, glacially influenced Permian seaway (Southern Carnarvon Basin, Western Australia)." Australian Journal of Earth Sciences 59, no. 4 (June 2012): 479–94. http://dx.doi.org/10.1080/08120099.2012.672932.

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6

Glikson, A. Y., S. Eggins, S. D. Golding, P. W. Haines, R. P. Iasky, T. P. Mernagh, A. J. Mory, F. Pirajno, and I. T. Uysal. "Microchemistry and microstructures of hydrothermally altered shock-metamorphosed basement gneiss, Woodleigh impact structure, Southern Carnarvon Basin, Western Australia." Australian Journal of Earth Sciences 52, no. 4-5 (September 2005): 555–73. http://dx.doi.org/10.1080/08120090500170336.

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7

Iasky, R. P., and A. Y. Glikson. "Gnargoo: a possible 75 km-diameter post-Early Permian – pre-Cretaceous buried impact structure, Carnarvon Basin, Western Australia." Australian Journal of Earth Sciences 52, no. 4-5 (September 2005): 575–86. http://dx.doi.org/10.1080/08120090500170377.

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8

Bailey, Adam H. E., Rosalind C. King, Simon P. Holford, and Martin Hand. "Incompatible stress regimes from geological and geomechanical datasets: Can they be reconciled? An example from the Carnarvon Basin, Western Australia." Tectonophysics 683 (June 2016): 405–16. http://dx.doi.org/10.1016/j.tecto.2016.07.001.

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9

Shragge, Jeffrey, David Lumley, Julien Bourget, Toby Potter, Taka Miyoshi, Ben Witten, Jeremie Giraud, et al. "The Western Australia Modeling project — Part 2: Seismic validation." Interpretation 7, no. 4 (November 1, 2019): T793—T807. http://dx.doi.org/10.1190/int-2018-0218.1.

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Large-scale 3D modeling of realistic earth models is being increasingly undertaken in industry and academia. These models have proven useful for various activities such as geologic scenario testing through seismic finite-difference (FD) modeling, investigating new acquisition geometries, and validating novel seismic imaging, inversion, and interpretation methods. We have evaluated the results of the Western Australia (WA) Modeling (WAMo) project, involving the development of a large-scale 3D geomodel representative of geology of the Carnarvon Basin, located offshore of WA’s North West Shelf (NWS). Constrained by a variety of geologic, petrophysical, and field seismic data sets, the viscoelastic WAMo 3D geomodel was used in seismic FD modeling and imaging tests to “validate” model realizations. Calibrating the near-surface model proved to be challenging due to the limited amount of well data available for the top 500 m below the mudline. We addressed this issue by incorporating additional information (e.g., geotechnical data, analog studies) as well as by using soft constraints to match the overall character of nearby NWS seismic data with the modeled shot gathers. This process required undertaking several “linear” iterations to apply near-surface model conditioning, as well as “nonlinear” iterations to update the underlying petrophysical relationships. Overall, the resulting final WAMo 3D geomodel and accompanying modeled shot gathers and imaging results are able to reproduce the complex full-wavefield character of NWS marine seismic data. Thus, the WAMo model is well-calibrated for use in geologic and geophysical scenario testing to address common NWS seismic imaging, inversion, and interpretation challenges.
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10

Glikson, A. Y., A. J. Mory, R. P. Iasky, F. Pirajno, S. D. Golding, and I. T. Uysal. "Woodleigh, Southern Carnarvon Basin, Western Australia: history of discovery, Late Devonian age, and geophysical and morphometric evidence for a 120 km-diameter impact structure." Australian Journal of Earth Sciences 52, no. 4-5 (September 2005): 545–53. http://dx.doi.org/10.1080/08120090500170344.

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