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Seismic diffraction imaging for improved coal structure detection in complex geological environments
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Binzhong Zhou, Weijia Sun
- Date Published: February 2018
Abstract:
To provide a “no major surprises” guarantee of coal seam conditions, reflection seismic surveying is often used for delineation of faults and dykes that have the potential to disrupt underground coal mining operations. Although reflection seismic...
Evolution of “Tres Hombres” – A Mid-crustal Dome Structure within the Jurassic Northern Beagle Sub-basin Western Australia: An Integrated Geophysical Investigation
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Gerry O’Halloran, Chris Paschke, Craig Dempsey, Chris Hurren, Robert Scott, Guimin Liu
- Date Published: February 2018
Abstract:
The Tres Hombres structure is a large mid-crustal structural feature that that underlies the Permian – Late Jurassic mega-sequences of the Northern Beagle Sub-basin, Western Australia. Originally identified on regional 2D seismic lines, the Tres Ho...
TARGETING CORE SAMPLING WITH MACHINE LEARNING: CASE STUDY FROM THE SPRINGBOK SANDSTONE, SURAT BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Oliver Gaede, Mitchell Levy
- Date Published: February 2018
Abstract:
We show how clustering algorithms can ensure that the core intervals that are pertinent to specific objectives of a sampling campaign are actually sampled. We also show how clusters can be validated prior to sampling with auxiliary data not used for ...
Integration of Downhole Geophysical and Lithological Data from Coal Exploration Drill Holes
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Brett J Larkin
- Date Published: February 2018
Abstract:
This current study has successfully managed to develop algorithms to automatically determine both coal/non-coal and clayey/nonclayey boundaries based on the gradients and inflection points of the geophysical logs and then integrate this information w...
Controls on Mesozoic rift-related uplift and syn-extensional sedimentation in the Exmouth Plateau
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Hayley Rohead-O’Brien, Chris Elders
- Date Published: February 2018
Abstract:
The Exmouth Plateau, part of the Northern Carnarvon Basin, has experienced a multi-phase extensional history, which is associated with regional-scale uplift, as well the uplift and erosion of individual footwall blocks. Detailed interpretation of 3D ...
The influence of reverse-reactivated normal faults on porosity and permeability in sandstones: a case study at Castle Cove, Otway Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Natalie Debenham, Natalie J. C. Farrell, Simon P. Holford, Rosalind C. King, David Healy
- Date Published: February 2018
Abstract:
This study highlights the importance of detailed mineralogical and petrophysical analyses when attempting to understand the reservoir properties of high porosity and low permeability sandstones....
Quantifying Gas Content in Coals Using Borehole Magnetic Resonance
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Spencer Summers, Dennis Huo, Tim Hopper, Tom Neville, Benjamin Birt, Soumyajit Mandal
- Date Published: February 2018
Abstract:
Evaluating gas content in coals has significant commercial and operational importance. In coal seam gas exploration and development, gas contained in coal seams is the resource of interest. In coal mining, quantifying gas content and evaluating the e...
Shelf-margin architecture and shoreline processes at the shelfedge: Controls on sediment partitioning and prediction of deepwater deposition style
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Victorien Paumard, Julien Bourget, Tobi Payenberg, Bruce Ainsworth, Simon Lang, Henry W. Posamentier, Annette D. George
- Date Published: February 2018
Abstract:
The Lower Barrow Group (LBG; Latest Tithonian – Early Valanginian) is a shelf-margin that prograded during a late phase of rifting under various subsidence regimes and supply-dominated conditions. A 3D semi-automatic, full volume seismic interpreta...
High frequency refraction/ reflection full-waveform inversion case study from North West Shelf offshore Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: David Dickinson, Fabio Mancini, Xiang Li, Kai Zhao
- Date Published: February 2018
Abstract:
The robustness of diving wave Full-Waveform Inversion (FWI) has been proven in industry, but the effectiveness is limited by its penetration depth. To target deeper reservoirs, therefore, requires the application of reflection FWI. This paper present...
Cooper Basin Deep Coal – the New Unconventional Paradigm: Deepest Producing Coals in Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Camac, B.A., Benson, J, Chan, V, Goedecke, A
- Date Published: February 2018
Abstract:
Up to four years of gas production from Permian coals in the South Australian (SA) sector of the Cooper Basin illustrates their potential value as a sustainable unconventional gas resource. The success of this play is a result of many years of resear...
The Permian and Carboniferous extensional history of the Northern Carnarvon Basin and its influence on Mesozoic extension
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Sam McHarg, Amy I’Anson, Chris Elders
- Date Published: February 2018
Abstract:
The North-West Shelf of Australia is a marginal rift system related principally to the fragmentation of Gondwana. PermianCarboniferous structures along the margin have long been recognised as fundamental events responsible for the formation of the of...
Petroleum Plays of the Bowen and Surat basins
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Alison Troup, Neal Longdon, Justin Gorton
- Date Published: February 2018
Abstract:
The plays of the Bowen and Surat basins consist of conventional structural plays along major regional structures and depositional platforms, most of which have some stratigraphic component. These can be subdivided into three main regions: the eastern...
Predicting Structural Permeability in the Deep Coal Play, Tirrawarra-Gooranie fields, Cooper Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Bowker, C.J., Camac, B.A., Fraser, S.A
- Date Published: February 2018
Abstract:
A 2D numerical stress modelling study was conducted for the Tirrawarra-Gooranie oil and gas field in the Cooper Basin, which produces from a mixture of conventional and non-conventional (deep coal) reservoirs. The aim of this study is to understand t...
Interpretation of a Permian conjugate basin margin preserved on the outer Northwest Shelf of Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Christopher A. Paschke, Gerard O’Halloran, Craig Dempsey, Christopher Hurren
- Date Published: February 2018
Abstract:
The Northwest Shelf (NWS) of Australia is characterized as a series of northeast-southwest trending Mesozoic offshore depocenters which both juxtapose and partially overprint a series of onshore, northwest-southeast trending Palaeozoic basins. An int...
Borehole gravity in Horizontal Wells.
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Andrew J. Black, Jennifer Hare
- Date Published: February 2018
Abstract:
Gravity can now be measured practically anywhere a drill hole can go. This extends our ability to perform 3D and 4D gravity mapping of the sub-surface with applications in the energy and mineral sectors....
Towards understanding phosphorus distribution in coal: A case study from the Bowen Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Brooke Davis, Sandra Rodrigues, Joan Esterle
- Date Published: February 2018
Abstract:
In coal, phosphorus can occur in a variety of minerals but apatite Ca5(PO4)3 (OH, F, Cl) is the most common. This mineral is often observed within the cell-lumens (<20 microns) of inertinite macerals, although fracture infilling apatite has been repo...
New Insights into a major Early-Middle Triassic Rift Episode in the NW Shelf of Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Malcolm MacNeill, Neil Marshall, Chris McNamara
- Date Published: February 2018
Abstract:
The offshore Roebuck Basin is an amazingly complex and unexpected piece of North West Shelf geology. Large scale seismic geometries within the Triassic section is interpreted to define a complex of lava deltas associated within even a bigger scale ri...
The stratigraphic significance of paralic deposits in the Precipice– Evergreen succession, Surat Basin, Queensland
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Andrew D. La Croix, Mark Reilly, Jiahao Wang, Jeff Copley, Valeria Bianchi, Joan Esterle, Sebastian Gonzalez
- Date Published: February 2018
Abstract:
The Precipice Sandstone and Evergreen Formation in the Surat Basin, Queensland, are being examined as a reservoir-seal option for future geosequestration of CO2. Effective reservoir modelling, and prediction of dynamic storage capacity, however, depe...
EVIDENCE FOR GLACIAL AND POLAR IMPACTS IN THE PERMIAN COAL MEASURES OF THE SYDNEY BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Malcolm Bocking
- Date Published: February 2018
Abstract:
This paper recognises that the Permian sequence of the Sydney Basin formed at a time the basin is indicated by polar wander curves to have been very close to the South Pole. That same Permian sequence contains some evidence for sometimes subtle Polar...
Modelling reservoir deliverability within the Northern Beagle Subbasin, Western Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Christopher Hurren, Gerard O’Halloran, Kylie Kirk, Christopher A. Paschke
- Date Published: February 2018
Abstract:
Reservoir deliverability is a critical component affecting the viability of petroleum systems within a sedimentary basin. Deliverability can be described as the ability of a given rock to flow hydrocarbons to the surface. Calculating deliverability r...
Next Generation Reservoir Engineering
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Klaus Regenauer-Lieb, Thomas Poulet, Manolis Veveakis, Hamid Roshan, Xiao Chen
- Date Published: February 2018
Abstract:
We present a fundamental physics based understanding of the chemical, mechanical, thermal and hydrological processes and their interactions that operate over long-time scales to form and characterise the porosity/fracture networks in conventional and...
Georgina Basin – Middle Cambrian petroleum systems and the search for unconventional hydrocarbons
- Publication Name: Central Australian Basins Symposium III
- Authors: G.J. Ambrose, D.S. Warner, J.P. Heugh
- Date Published: July 2017
Abstract:
The Georgina Basin has two well documented Middle Cambrian source rocks (Lower Arthur Creek Formation and
Thorntonia Limestone) which are believed to have expelled up to 40 billion tonnes (320 Bbbls) of liquid hydrocarbons based on detailed evaluati...
A Powerhouse Emerges: Energy for the Next Fifty Years
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: Lodwick W. (Ed)
- Date Published: September 2015
Abstract:
Complete publication of all papers from EABS V (2015) - Eastern Australian Basins Symposium...
Detailed Stratigraphic and Structural Analysis of the Early Cretaceous Outcrops in West Gippsland, Victoria, Australia.
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: H. Aghaei, C. Valenta, M. Hall, Alan Tait
- Date Published: September 2015
Abstract:
The study tried to answer questions regarding the stratigraphy, structure and depositional environment of the Strzelecki Group based on its unique coastal outcrops near the Wonthaggi township, west Gippsland. The outcrops were mapped and logged in de...
Stratigraphy and Sedimentology of the Permian Succession in the Southwest Bowen Basin, Queensland
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: Christopher R. Fielding, Michael A. Martin, Kerrie L. Bann
- Date Published: September 2015
Abstract:
This paper investigates the distribution of depositional systems, in time and space, of the Permian succession of the Denison Trough and surrounding areas, southwest Bowen Basin, Queensland. A unified facies scheme is presented for the shallow marine...
Petrophysical Challenges and Triumpsh in the Gippsland Basin
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: A. Mills and K. Kuttan
- Date Published: September 2015
Abstract:
Early explorers in the Gippsland Basin must have been ecstatic to find the large accumulations of oil and gas in the Top Latrobe reservoirs. These were easily identifiable on logs. What they did not initially appreciate, was that many of the large ga...
Depositional Environments and Sediment Dispersal Patterns of the Jurassic Walloon Subgroup in Eastern Australia
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: Joel V.R. Yago and Christopher R. Fielding
- Date Published: September 2015
Abstract:
This paper summarises results from a regional evaluation of depositional environments of the Middle Jurassic Walloon Subgroup in eastern Australia. The Walloon Subgroup (WSG), which extends from the Clarence-Moreton and other basins of coastal SE Que...
Regional Assessment of the Toolebuc Formation: A Shale Oil Play in Southwest Queensland
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: A. Troup, S. Edwards, B. Talebi, M. Preda
- Date Published: September 2015
Abstract:
A regional assessment of the Toolebuc Formation has been conducted to evaluate its potential as a shale oil target. This formation shares many characteristics with successful shale oil plays located in the United States of America. This study has foc...
Basin Screening for Seal Rock Quality – New Zealand Region
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: B.D. Field, D.P. Strogen, H.D. Zhu, T.R. Sahoo, A.G. Griffin, M.J.F. Lawrence, C. Martin, R. McDonnell, K. Jones, R. Daniel
- Date Published: September 2015
Abstract:
This study provides the first New Zealand-wide assessment of the hydrocarbon seal rock potential of twenty sedimentary basins and is designed to help evaluate pre-drill seal risk assessment. Seal rock quality has been assessed using key petroleum wel...
Facies Distribution and Impact on Petroleum Migration in the Canterbury Basin, New Zealand
- Publication Name: Eastern Australian Basins Symposium V (EABS 2015)
- Authors: T.R. Sahoo, K.F. Kroeger, G. Thrasher, S. Munday, H. Mingard, N. Cozens, M. Hill
- Date Published: September 2015
Abstract:
The Canterbury Basin is one of the frontier basins of New Zealand and is under active exploration in multiple permits. Sub-commercial gas and condensate discoveries suggest that it has a working petroleum system. Presence and distribution of petroleu...