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A new system for efficiently acquiring vertical seismic profile surveys
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Tim Dean, Nghia Nguyen, Brenton Armitage, Huw Rossiter
- Date Published: February 2018
Abstract:
A vertical seismic profile (VSP) survey involves placing sensors in a borehole to record the passage of energy transmitted using a source of seismic energy placed on the surface. The sensors are usually contained within sondes that are coupled to the...
Compressional evolution of the PNG margin from an orogenic transect from Juha to the Sepik
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Kevin Hill, Luke Mahoney
- Date Published: February 2018
Abstract:
A crustal-scale, fully restored section across the PNG orogenic belt reveals the Oligocene to Recent compressional deformation of the margin. The northern end of the section comprises the Landslip Metamorphics, an accreted continental terrane, separa...
Depositional, diagenetic and mineralogical controls on porosity development in the Ungani Field, Canning Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: June Then, Moyra E.J. Wilson, Iain Copp, Maja Buschkuehle, Ronell Carey
- Date Published: February 2018
Abstract:
A 75 m-thick section of Early Carboniferous Tournaisian Ungani Dolomite reservoir was continuously cored in Ungani Far West 1, an appraisal well 3 km west of the Ungani field located on the southern flank of the Fitzroy Tough in the Canning Basin. Th...
What we know, what we don’t know, and things we do not know we don’t know about hydraulic fracturing in high stress environments
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Raymond L. Johnson, Jr.
- Date Published: February 2018
Abstract:
Hydraulic fracturing in many Australian Basins, particularly the Cooper Basin has been successful in higher permeability, structured conventional plays. However, adaptation of North American strategies to Australia’s complex, and highly stressed un...
Tectonic and Geodynamic Evolution of the Northern Australian Margin and New Guinea
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Joanna Tobin, Dr. Sabin Zahirovic, Dr. Rakib Hassan, A/Prof. Patrice Rey
- Date Published: February 2018
Abstract:
Rapid convergence between the Indo-Australian, Southeast Asian, and Pacific plates in the Cenozoic has resulted in a complex tectonic evolution of Australia’s northern margin. A lack of available geologic data leads to large uncertainties, such as ...
LAUREL GAS PLAY, CANNING BASIN – RECENT STRATIGRAPHIC LEARNINGS
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Simon Sturrock, Mark Devereux, Keith Martens, June Then, Fionna McNee, David Long
- Date Published: February 2018
Abstract:
Well, core and seismic data from the Lennard Shelf and Fitzroy Trough were integrated to produce a predictive sequence stratigraphic framework of the Laurel Formation consisting of Lower, Middle and Upper depositional sequences.
...
THE ROLE OF DIAGNOSTIC FRACTURE INJECTION TESTING TO IMPROVE RESERVOIR EVALUATION AND STRESS CHARACTERISATION IN COMPRESSIVE STRESS REGIMES
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Prof Raymond L. Johnson Jr.
- Date Published: February 2018
Abstract:
The diagnostic fracture injection test, commonly known as a DFIT, is frequently used in conventional and unconventional reservoirs (e.g., tight gas, shale gas, tight coals) to calibrate the hydraulic fracture treatment. In a normal stress regime, a s...
A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Edward Lewis, Tony Martin, Tony Bell, Dennis van der Burg, Lorenzo Russo
- Date Published: February 2018
Abstract:
As exploration moves into areas of increasing geological complexity and limited legacy data, reservoir evaluation is often based on the interpretation of one seismic image. Building a suitable velocity model followed by pre stack depth migration play...
On the Geothermal Potential of the Heyuan Fault, South China
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Lisa Tannock, Klaus Regenauer-Lieb
- Date Published: February 2018
Abstract:
Geothermal energy potential in China is high, and although they currently lead the way in direct heat production, geothermal power generation is still low. Hot spring analysis and surface heat flux data indicate significant potential resources for th...
THE USE OF CORING-INDUCED PETAL FRACTURES IN COAL TO SUPPLEMENT AND GROUND TRUTH THE INTERPRETATION OF IMAGE LOGS
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: David Titheridge, Saswata Mukherjee
- Date Published: February 2018
Abstract:
Resistivity and acoustic scanner image logs, in both the CSG and coal-mining industries, are the preferred means of determining azimuths of joints and cleat in coal. This paper indicates the need for care when interpreting cleat azimuths from image l...
Modelling and visualising distributed crustal deformation of Australia and Zealandia using GPlates 2.0
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: R. Dietmar Müller, Samuel H. J. Russell, Sabin Zahirovic, Simon E. Williams, Crystal S. Williams
- Date Published: February 2018
Abstract:
The recently released GPlates 2.0 software (www.gplates.org) provides a framework for building plate motion models including distributed extension and compression, driven by the motions of the surrounding rigid plate interiors, with constraints assim...
THE DISCOVERY AND DEVELOPMENT OF OIL RIM FIELDS IN THE BEIBU GULF, CHINA
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Andrew Fernie, Frank Zhou, Rick McCarthy, Gavin Douglas
- Date Published: February 2018
Abstract:
The Beibu Gulf is a prolific hydrocarbon province on the western coastline of China. The Miocene Jiaowei Formation contains thick sandstone sequences with excellent reservoir quality, a low degree of internal heterogeneity and excellent aquifer suppo...
Automatic Fracture Identification using X-ray Images
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Ankita Singh, Xiao Lu, Ryan Armstrong, Peyman Mostaghimi
- Date Published: February 2018
Abstract:
Coal seams are characterised as highly anisotropic and heterogeneous geological formations with extremely low porosity and permeability at reservoir conditions. Despite the advances in digital rock physics with the introduction of micro-computed tomo...
INVESTIGATION OF POSSIBLE SHALLOW GAS ACCUMULATIONS ASSOCIATED WITH POCKMARKS ON THE OTAGO SLOPE SOUTHEAST OF NEW ZEALAND
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Jasper Hoffmann, Andrew Gorman, Gareth Crutchley
- Date Published: February 2018
Abstract:
High-resolution ‘boomer’ seismic data, together with an industrial 3D seismic dataset indicate the possible presence of shallow gas in the vicinity of the Waitaki Canyon, SE of New Zealand’s South Island. Crescent-shaped seafloor depressions ar...
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...
FRACCING ONSHORE AUSTRALIA
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Max Williamson
- Date Published: February 2018
Abstract:
Recent history has seen major inquiries in the Senate and under the control of several State and Territory
Governments where one aspect involved the oil exploration technique of fraccing. ...
Characterisation of focused gas hydrate accumulations from the Pegasus Basin, New Zealand, using high-resolution and conventional seismic data
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Andrew R. Gorman, Patrick T. Fletcher, Dylan Baker, Douglas R.A. Fraser, Gareth J. Crutchley, Stuart A. Henrys
- Date Published: February 2018
Abstract:
Gas hydrates are reported widely in seismic data from New Zealand’s Hikurangi Margin (east coast of the North Island). Over the last decade, conventional petroleum exploration interests in this region have led to the collection of several regional ...
Sedimentary Characteristics and Lithological Trap Identification of Distant Braided Delta Deposits: A Case on Upper Cretaceous Yogou Formation of Termit Basin, Niger
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: ZHAO Ning, HUANG Jiangqin
- Date Published: February 2018
Abstract:
Lithological trap identification in thin sand and thick shale layers is still a challenge for hydrocarbon exploration. Based on the highresolution sequence stratigraphy theory and the establishment of high resolution sequence stratigraphy framework w...
Impact of artificially matured organic matter on the dielectric and elastic properties of compacted shales
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Matthieu Cauchefert, Matthew Josh, Lionel Esteban, Stephanie Vialle, Maxim Lebedev, Jeremie Dautriat, Joel Sarout, Bruce Maney
- Date Published: February 2018
Abstract:
Unconventional gas shale resources recently became a standard in the American oil and gas industry and are studied throughout the world. However Gas shales are still poorly characterised with respect to other reservoir rock types. The organic matter ...
COMPARING SHALE GOUGE RATIO AND JUXTAPOSITION ANALYSIS USING STOCHASTIC TRAP ANALYSIS: EXAMPLES FROM GIPPSLAND, TARANAKI, OTWAY AND SOUTHERN NORTH SEA BASINS
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Titus Murray, Dave Richards, Bill Power, Tony Johnson, Greg Christie
- Date Published: February 2018
Abstract:
Exploration fault seal analysis of prospects is often focused on generating a probability of success. This risking considers sealing hydrocarbons against faults over geological periods of time, rather than production time. Typically the risking is ba...
Airborne Gravity Gradiometer Survey over the Pelarang Anticline, Onshore Kutai Basin, Indonesia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Asbjorn Norlund Christensen, Cameron Jones, Leonhard Bow Kocijan, Hannah Booth, Seda Rouxel, Balakrishnan Kunjan
- Date Published: February 2018
Abstract:
The Pelarang Anticline is part of the NNE-SSW oriented Samarinda Anticlinorium, a detached thrust-and-fold belt in the Tertiary Kutai Basin. Results from an airborne gravity gradiometer survey over the Pelarang Anticline are presented herein. The Pel...
THE STRATIGRAPHIC ARCHITECTURE, DISTRIBUTION AND HYDROCARBON POTENTIAL OF THE ORGANIC RICH KYALLA AND VELKERRI SHALES OF THE UPPER ROPER GROUP (MCARTHUR BASIN)
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Mattilda Sheridan, D Rhodri Johns, Howard D Johnson
- Date Published: February 2018
Abstract:
Recent exploration studies on the stratigraphic framework, depositional environment and tectonic setting of the Mesoproterozoic Roper Group in the McArthur Basin, have led to an improved understanding of the highly prospective organic-rich shales of ...
The Effect of Deep Burial and Folding on Sandstone Reservoirs in some Giant Gas Fields, South America
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Prof. Gregory Smith, Prof. Reza Rezee, Prof. Maxim Lebedev, Assoc. Prof Stefan Iglauer
- Date Published: February 2018
Abstract:
The underthrust fold belt of the Andes contains some very large gas fields in which the Lower Palaeozoic Sandstone reservoirs are buried to depths of over 4-6km. The foreland depositional environment received high amounts of metamorphic and igneous r...
Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia)
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Jarrod Dunne, Matthew Zengerer, Hamish Stein, Stephen Gallagher, Ferudun Kilic, Pramod Kumar, Shiv Pujan Singh
- Date Published: February 2018
Abstract:
Conventional pre-stack depth migration applied to the broadband Kraken 3D Marine Seismic Survey was unable to fully resolve shortwavelength velocity anomalies below the sea floor causing obvious imaging problems and limiting depth conversion and ampl...
Tectonics and geodynamics of the eastern Tethys and northern Gondwana since the Jurassic
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Sabin Zahirovic, Kara Matthews, Ting Yang, Nicolas Flament, Daniela Garrad, Gilles Brocard, Jeremy Iwanec, Kevin Hill, Michael Gurnis, Rakib Hassan, Maria Seton, R Dietmar Müller
- Date Published: February 2018
Abstract:
Southeast Asia experienced a complex tectonic and geodynamic history related to the subduction of the eastern Tethyan ocean basins, resulting from the long-term convergence between the Indo-Australian, Eurasian, and Pacific plates since Pangea breaku...
DISCOVERY THROUGH THE AGES – A JOURNEY OF COAL RESOURCE DISCOVERY IN QUEENSLANDS BOWEN BASIN FROM THE 1960’s and The 2000’s
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Darren Walker, Lex Hansen
- Date Published: February 2018
Abstract:
Exploration methods, technology and equipment may have changed greatly over the last few decades but still does not replace sound geological principles in making new coal resource discoveries. Starting with a case history of the early big discoveries...
MAPPING NORTHERN AUSTRALIA’S PRESENT DAY STRESS FIELD: THE CANNING BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Adam Bailey, Paul Henson
- Date Published: February 2018
Abstract:
The Canning Basin of Western Australia has recently become a site of interest for unconventional hydrocarbons, with several formations within deeper basin depocentres being investigated for resources. Modern petroleum resource evaluation is generally...
Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Mark Bunch
- Date Published: February 2018
Abstract:
A wireline log model predicts carbonate cemented zones within Late Cretaceous to Paleocene reservoir sandstones of the Latrobe Group, Gippsland Basin. Predictions match published evidence. These sandstones were once heavily cemented prior to developm...
The use of FWI in coal exploration
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic
- Date Published: February 2018
Abstract:
In this study, we evaluate the applicability of FWI methods for estimating elastic parameters (P and S wave velocities and density) from the inversion of a synthetic seismic dataset that was recorded over the surface of a 2D earth model that represen...
Regional Jurassic sediment depositional architecture, Browse Basin: Implications for petroleum systems
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Nadège Rollet, Dianne Edwards, Emmanuelle Grosjean, Tehani Palu, Lisa Hall, Jennifer Totterdell, Chris Boreham, Andrew Murray
- Date Published: February 2018
Abstract:
The Browse Basin hosts considerable gas and condensate resources, including the Ichthys and Prelude fields that are being developed for liquefied natural gas (LNG) production. Oil discoveries are sub-economic. This multi disciplinary study integratin...