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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...
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...
STRUCTURAL AND RESERVOIR DEVELOPMENT OF THE WESTERN PAPUAN BASIN GAS AND CONDENSATE FIELDS
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: M.I. Spooner, R.I. McCarthy
- Date Published: February 2018
Abstract:
The Stanley, Elevala, Ketu and Ubuntu gas-condensate fields are located within the foreland of the Western Papuan Basin, Papua New Guinea. Interpretation of 2D seismic across the basin has revealed the importance of Basement architecture and the regi...
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...
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...
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...
The effect of flexural isostasy on delta architecture: implications for the Mungaroo Formation
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Sara Morón, Tristan Salles, Stephen Gallagher, Louis Moresi
- Date Published: February 2018
Abstract:
The fluvio-deltaic Triassic Mungaroo Formation, North West Shelf (NWS) of Australia, hosts vast resources of hydrocarbons. However, the mechanisms that generated its 4-6 km monotonous infill architecture (colloquially known as layer cake stratigraphy...
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...
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...
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...
A New Computational Model to Predict Breakdown Pressures in Cased and Perforated Wells in Unconventional Reservoirs
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Mohammed Kurdi, Hamid Roshan
- Date Published: February 2018
Abstract:
Unconventional shale reservoirs are characterised by their extreme low permeabilities and their high in-situ stresses. Multi-stage hydraulic fracturing therefore plays a key role in developing such reservoirs. However, depending on the in-situ stress...
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...
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...
MESOZOIC TO CENOZOIC DEPOSITIONAL ENVIRONMENTS & FLUID MIGRATION WITHIN THE CASWELL SUB-BASIN: KEY INSIGHTS FROM NEW INTERPRETATION & MODELLING OF THE SCHILD PHASE 2 3D
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Jarrad Grahame
- Date Published: February 2018
Abstract:
CGG Multi-Client & New Ventures have undertaken new interpretation and modelling, including stratal slicing and attribute analysis on the Schild Phase 2 3D located 170km off the north-west coast of Australia within the Caswell Sub-basin. The key obje...
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 ...
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. ...
An optimised Hydraulic Fracturing Treatment on Challenging Rizq Field
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Muhammad Asad Pirzada, Hamid Roshan, Faisal Saleem, Abdul Haseeb, Mohammed Kurdi
- Date Published: February 2018
Abstract:
Hydrocarbon production from unconventional reservoirs is often associated with hydraulic fracturing operations. In many cases however, the high in-situ stresses and complex natural fracture network hinder an effective stimulation process. Therefore, ...
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.
...
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 ...
Plio-Pleistocene river drainage evolution in New Guinea. Implications for reservoir mineralogy predictions
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Gilles Brocard, Sabin Zahirovic, Tristan Salles, Patrice Rey
- Date Published: February 2018
Abstract:
The drainage of New Guinea has evolved rapidly since Pliocene time. Relief growth initiated in accreted oceanic terranes in the north and migrated into the Australian margin interior over time. The present-day drainage retains inherited elements of a...
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...
ONSHORE INVENTORY – TARGETING NEW BASINS (OFFICER, PERTH, CANNING BASINS)
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Lidena Carr, Takehiko Hashimoto, Adam Bailey, Tehani Palu, Alfredo Chirinos, Paul Henson
- Date Published: February 2018
Abstract:
Following the 2016 publication of volume 1 of the Onshore Basin Inventory: the McArthur, South Nicholson, Georgina, Wiso, Amadeus, Warburton, Cooper and Galilee basins, central Australia (Carr et al, 2016); Geoscience Australia is continuing to provi...
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...
Canning Basin – Petroleum Systems Analysis
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Andrew Murray, Casey Edwards, David Long
- Date Published: February 2018
Abstract:
New high resolution geochemical information was acquired for fluids from recent Canning Basin wells and interpreted in context with previous work on fluid typing and correlation by Geoscience Australia (GA). Ungani field oils are interpreted to be de...
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...
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...
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...
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 ...
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...
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...