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3D VERTICAL SEISMIC PROFILING ACQUIRED USING FIBREOPTIC SENSING DAS – RESULTS FROM THE CO2CRC OTWAY PROJECT
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Julia Correa, Barry Freifeld, Michelle Robertson, Roman Pevzner, Andrej Bona, Dmitry Popik, Konstantin Tertyshnikov, Thomas Daley
- Date Published: February 2018
Abstract:
Distributed Acoustic Sensing (DAS) is an optical interferometric method for acquisition of acoustic and seismic signals. It uses laser pulses that travel along the length of a fibre-optic cable and backscatter as they encounter small inconsistencies ...
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:
An understanding of fault zone structure and transmissibility can have significant implications for reservoir appraisal and development within petroleum systems. Studies tend to focus on low porosity host rocks that have experienced simple tectonic h...
Reservoir Modelling, Structural History and Volumetrics of the Jerboa Area, Eyre Sub-Basin
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Jordan McGlew, Prof. Gregory Smith
- Date Published: February 2018
Abstract:
The Eyre Sub-basin is situated in the Bight Basin in the Southern Margin. It covers an area of approximately 8,000km2. It is one of several half-graben in the Bight Basin that formed during the initial rifting between Australia and Antarctica. Sedime...
Isotope Constraints on Intra-Basin Correlation and Depositional Settings of the Mid-Proterozoic Carbonates and Organic-Rich Shales in the Greater McArthur Basin, Northern Territory, Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Juraj Farkas, Maxwell Bullen, Grant Cox, Alan Collins, William Giuliano, Sandra Menpes, Juergen Gusterhuber, Belinda Smith
- Date Published: February 2018
Abstract:
The Greater McArthur Basin in northern Australia forms the world’s oldest potential unconventional gas play. It comprises Paleo- to Mid-Proterozoic sedimentary successions (i.e., the McArthur and Limbunya Groups) dominated by carbonate rocks (i.e.,...
Solid substitution: theory versus experiment
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Yongyang Sun, Maxim Lebedev, Vassili Mikhaltsevitch, Stanislav Glubokovskikh, Stefan Iglauer, Boris Gurevich
- Date Published: February 2018
Abstract:
Gassmann fluid substitution is widely used in geophysical practice. In the last few years, the topic of fluid/solid substitution has emerged, where the substances filling the pore space can be solids, fluids, or visco-elastic materials, such as heavy...
Portable X-ray diffraction for unconventional and conventional petroleum exploration
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Dane Burkett
- Date Published: February 2018
Abstract:
X-ray diffraction (XRD) is a well-established technique in the earth sciences as it can be used to identify and quantify minerals and is particularly useful for fine-grained sedimentary rocks. Due to the capital cost, environmental requirements and s...
Geochemistry of storing CO2 and NOx in the deep Precipice Sandstone
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: J. K. Pearce, D. Kirste, G.K.W. Dawson, I. Altaf, S.D. Golding, J. Undershultz
- Date Published: February 2018
Abstract:
The Precipice Sandstone in the Surat Basin is being appraised for CO2 geological storage owing to its high porosity and permeability and expected high injectivity. Generally it is quartz rich with variable kaolinite, however detailed characterisation...
Ranking DHI attributes for effective prospect risk assessment applied to the Otway Basin, Australia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Sebastian Nixon, Tony Hallam, Andrew Constantine
- Date Published: February 2018
Abstract:
The first evidence of seismic brightening linked with gas charged reservoirs was recognised by Shell in the very late 1960s in the Gulf of Mexico. Since that time the terms bright spots, flat spots, amplitude versus offset (AVO) anomalies or gas anom...
Broadband Least-Squares Wave-Equation Migration
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Shaoping Lu, Alejandro Valenciano, Nizar Chemingui, Andrew Long
- Date Published: February 2018
Abstract:
We introduce an effective iterative Least-Squares Wave-Equation Migration (LS-WEM) solution for broadband imaging. LeastSquares Migration (LSM) solutions are designed to produce images of the subsurface corrected for wavefield distortions caused by a...
TERTIARY DEEP-WATER CORAL SUPPORTS COLD SEEPS IN THE CEDUNA SUB-BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Laurent Langhi, Julian Strand, Andy Ross, Karen Gowlett-Holmes, Emanuelle Frery, April Pickard
- Date Published: February 2018
Abstract:
The analysis of new 3D seismic and the acquisition of unique core data enables an in-depth interpretation of outboard Eocene mounds in the central Ceduna Sub-basin and a more accurate model of their origin. ...
Least Square Q-Kirchhoff Migration: Implementation and Application
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang
- Date Published: February 2018
Abstract:
Absorption effects caused by the anelastic nature of the earth lead to the attenuation of amplitude and distortion of phase of seismic waves. The so-called quality factor “Q” accounting for this absorption effect has to be included for correct im...
Rock-physics based time-lapse inversion in Delivery4D: synthetic feasibility study for CO2CRC Otway Project
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Stanislav Glubokokvskikh, Roman Pevzner, Dmitry Popik, Christian Proud, James Gunning, Tess Dance
- Date Published: February 2018
Abstract:
Conventional approach to 4D seismic inversion consists of parallel inversions applied to seismic vintages. Only then, the inverted changes of seismic attributes are converted into petrophysical properties using rock physics. The paper develops a robu...
FEASIBILITY OF SEISMIC MONITORING OF CCS IN PERTH BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Stanislav Glubokovskikh, Andrej Bona, Roman Pevzner, Anton Egorov, Ludovic Ricard
- Date Published: February 2018
Abstract:
This work studies seismic response of injection of super-critical CO2 in Perth Basin, WA for the purpose of CO2 sequestration. We aim to propose the most suitable way of monitoring and verification of such storage. To this end, we generated synthetic...
CA-IDTIMS and biostratigraphy: Their impact on exploration
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: John Laurie, Tegan Smith, Simon Bodorkos, Bob Nicoll, Jim Crowley, Dan Mantle, Geoff Wood
- Date Published: February 2018
Abstract:
Uranium-Lead dating of Zircon using the Chemical Abrasion-Isotope Dilution Thermal Ionisation Mass Spectrometry (CA-IDTIMS) technique has largely overcome the problem of radiogenic lead loss, and has greatly improved the precision of the dating. That...
EVOLVING EXPLORATION METHODS IN THE HYDROCARBON PLAY WITHIN THE PATCHAWARRA FORMATION ON THE WESTERN FLANK, COOPER BASIN
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Johann Soares, Christopher Webb
- Date Published: February 2018
Abstract:
The hydrocarbon play in the Patchawarra Formation lies within a Permian age, high latitude, fluvial sand and coal measure system that is up to 300m thick in the Cooper Basin of Central Australia. Fluvial channel belt sands, ranging from 1 to 20m thic...
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...
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...
Integrated Seismic (IS) for Shale Gas Exploration and Management
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Shastri L Nimmagadda, Paola Andrea Cardona Mora, Said Hanafy
- Date Published: February 2018
Abstract:
Seismic integration has been a successful accessory in every data interpretation project. For shale gas exploration design, development and implementation, high-resolution seismic data are necessitated. In this context, every exploration project need...
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 ...
New method for monitoring steam injection for Enhanced Oil Recovery (EOR) and for finding sources of geothermal heat
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Gordon Stove, Dr G. Colin Stove, Michael Robinson
- Date Published: February 2018
Abstract:
A database of over 10,000 wells with open hole logs, of which over 600 wells are dedicated surveillance wells with whole core, time lapse Carbon/Oxygen, Neutron, and Temperature data being used for evaluating Adrok’s deep penetrating radar system. ...
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...
RESOURCE GROWTH THROUGH PETROLEUM EXPLORATION IN PNG
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Dr John Warburton, Jeremy Iwanec, Julianne Lamb, Dr Douglas Waples, Dr Keiran Wulff
- Date Published: February 2018
Abstract:
Mesozoic and Tertiary clastic and carbonate reservoirs are prolific producers of high quality liquid-rich gas onshore PNG. LNG projects are among the lowest cost and most profitable globally. Accordingly there has been a recent resurgence of petroleu...
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...
Geophysical and geological characterisation of dredge locations from RV Southern Surveyor voyage ss2012_v06 (ECOSATI): hotspot activity in northern Zealandia
- Publication Name: Australasian Exploration Geoscience Conference 2018
- Authors: Maria Seton, Simon Williams, Nick Mortimer, Sebastien Meffre, Steven Micklethwaite, Sabin Zahirovic
- Date Published: February 2018
Abstract:
In October-November 2012 a geophysical mapping and dredging campaign in the eastern Coral Sea was conducted on the RV Southern Surveyor during voyage ss2012_v06 (ECOSATI). Part of this campaign was focussed in northernmost Zealandia where volcanic se...