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Conferences: AEGC 2021 – Prized Award Goes to the Core of the Matter
- Publication Name: PESA News
- Date Published: December 2021
Abstract:
The core we were lucky enough to be able to use as awards for the best papers and thanks for our keynotes is from the Mount Morgan Mine in Queensland, south of Rockhampton. The Au-Cu ore deposit is part of the Middle Devonian Capella Creek Group. The...
Branch News: WA – Hot irons come out of the fire and Birdies sang sweetly at PESA Golf Day
- Publication Name: PESA News
- Date Published: December 2021
Abstract:
An excellent field of over 170 aspiring wannabe Tigers leapt on to the pristine fairways of Joondalup Golf Country Club in the annual PESA WA Golf Day in early December....
Tech Talk: Canberra Swings into Action to Stave off Looming Gas Shortages in Eastern Australia
- Publication Name: PESA News
- Date Published: December 2021
Abstract:
The Australian Government is putting its foot on the gas and has flagged potential gas supply shortages within a few short years, unless exploration is urgently expedited and new pipelines are built to transport gas to market from both existing and n...
Branch News: QLD – Awards & rewards in a delicious smorgasbord of data, biscuits & trivia treats
- Publication Name: PESA News
- Authors: R. Kieft
- Date Published: December 2021
Abstract:
In September, PESA Queensland welcomed Kate Wathern-Dunn from GSQ and Simon Atkinson from Axiom Geoscience to talk about the Geoscience Queensland (GSQ) Open Data Portal. ...
Tech Talk: Oil & gas companies build momentum as they look to reinvent themselves
- Publication Name: PESA News
- Authors: A. Chronis, K. Hardin, A. Mittal
- Date Published: December 2021
Abstract:
To understand the outlook and perspectives of organisations across the energy, resources, and industrials industries, Deloitte fielded a survey of more than 500 US executives and other senior leaders in September 2021. The survey captured insights fr...
Branch News: VIC
- Publication Name: PESA News
- Authors: Kevin Hill
- Date Published: December 2021
Abstract:
From Friday 25th March to Wednesday 30th March 2022, the University of Melbourne will run a geological field trip for Master’s students to the Otway Ranges....
Fossil Futures: Intellectual Capital for Exploration is Running on Fumes
- Publication Name: PESA News
- Authors: D. Granger
- Date Published: December 2021
Abstract:
The Federal Government’s acknowledgement of ever encroaching east coast gas shortages, compounded with a looming supply squeeze confronting future LNG export delivery and the scarcity of skilled explorationists to reverse the decline, has produced ...
HYDROCARBON FLUSHING IN THE EROMANGA BASIN FACT OR FALLACY?
- Publication Name: Eromanga Basin Symposium Summary Papers (1982)
- Authors: K.C. Moriarty, A.F. Williams
- Date Published: November 2021
Abstract:
Application of Hubbert's equation to the hydrodynamic regime of the Eromanga Basin yields angles of tilt of the oil water interface of about 0.1°. Since mapped closures on oil fields such as Jackson, Herrimelia, Dullingari and Strzelecki are at leas...
Petroleum systems model for source-rock-reservoir evaluation in the Beetaloo Sub-basin
- Publication Name: AEGC 2021
- Authors: Mohinudeen Faiz, Vincent Crombez, Claudio Delle Piane
- Date Published: September 2021
Abstract:
The Beetaloo Sub-basin comprises one of the oldest petroleum systems in the world with the Middle Velkerri and Lower Kyalla shales considered as key unconventional source-rock-reservoir targets. The basin is relatively under-explored with only few we...
Data geo-Science Approach for Modelling Unconventional Petroleum Ecosystems and their Visual Analytics
- Publication Name: AEGC 2021
- Authors: Shastri L Nimmagadda, Andrew Ochan, Christine Namugenyi, Torsten Reiners
- Date Published: September 2021
Abstract:
Storage, integration and interoperability are critical challenges in the unconventional exploration data management. With a quest to explore unconventional hydrocarbons, in particular, shale gas from fractured-shales, we aim at investigating new petr...
Optimising slip-sweep for high-productivity Vibroseis coal surveys
- Publication Name: AEGC 2021
- Authors: Shaun Strong, Dale Harpley, Steve Hearn
- Date Published: September 2021
Abstract:
The increased scale of 3D seismic surveys in the Australian Coal industry has necessitated the use of high-production slip-sweep surveys. A method is provided which provides a quantitative visualisation of harmonic noise expected for different slip p...
Simultaneous inversion of teleseismic P- and converted S-waves to constrain the seismic structure of the crust
- Publication Name: AEGC 2021
- Authors: Mehdi Tork Qashqai, Erdinc Saygin
- Date Published: September 2021
Abstract:
Traveltimes of P and mode-converted S-waves and their reverberations place a tight constraint on the Vp/Vs ratio and their amplitude ratio provides tight bounds on the P and S wave velocity jumps across the main discontinuities in the subsurface stru...
Gaining value from historical AEM data
- Publication Name: AEGC 2021
- Authors: Shane Mulè, Tim Munday
- Date Published: September 2021
Abstract:
Australia is covered with a significant number of AEM surveys, primarily acquired over the last three decades. Most of these data were collected with now obsolete systems or system variants. Unfortunately, many of these historical datasets contain un...
Inferring geological features masked by artefacts in core photography using neural networks
- Publication Name: AEGC 2021
- Authors: Yasin Dagasan, Harvey Nguyen, Mark Grujic
- Date Published: September 2021
Abstract:
The application of computer-vision technologies to geological datasets has previously been shown to objectively verify existing datasets (e.g., automated calculation of geotechnical parameters) as well as the creation of new datasets (e.g., fracture ...
A time-lapse feasibility workflow incorporating core calibrated 4D rock physics models
- Publication Name: AEGC 2021
- Authors: Christian Proud, Ask Frode Jakobsen, Rob Ross, Jason McKenna
- Date Published: September 2021
Abstract:
Rock physics analysis is a useful tool in time-lapse seismic feasibility studies and can help to assess the effect of pressure and saturation changes on the elastic parameters which the seismic data is sampling. Calibration using velocity measurement...
Noble gases: a versatile exploration tool for water, minerals and hydrocarbons
- Publication Name: AEGC 2021
- Authors: Axel Suckow, Cornelia Wilske, Christoph Gerber, Alec Deslandes, Punjehl Crane, Dirk Mallants
- Date Published: September 2021
Abstract:
Noble gases exist mainly as stable and some radioactive isotopes and are amongst the most versatile geoscientific exploration tools. Popular applications across nearly all areas involving fluid movement in the geosphere include: groundwater and its r...
The uplift history of the Kidson Sub-Basin
- Publication Name: AECG 2021
- Authors: George Marfo, Stuart R. Clark, Tehani Palu
- Date Published: September 2021
Abstract:
The Canning Basin, onshore Western Australia, is highly prospective for conventional and unconventional hydrocarbons, as well as Uranium and sediment-hosted base metal deposits. The basin has evolved since the Early Ordovician undergoing both extensi...
Targeting Fractured Rock Aquifers using Magnetic Data
- Publication Name: AEGC 2021
- Authors: Heather Ballantyne, Karen Gilgallon, Sharon Lowe
- Date Published: September 2021
Abstract:
Fractured Rock Aquifers are an important source of water with approximately 40% of groundwater in Australia present in fractured rock. The water extracted from fractured rock aquifers is utilised in mining, irrigation, town water supply and stock wat...
Constraining gravity inversion with lower-dimensional seismic information: Imaging the eastern Yilgarn Craton
- Publication Name: AEGC 2021
- Authors: Mahtab Rashidifard, Jérémie Giraud, Mark Lindsay, Mark Jessell, Vitaliy Ogarko
- Date Published: September 2021
Abstract:
Integrating complementary geophysical datasets has proven to be a powerful tool for constraining the subsurface properties and also generating a model compatible with available datasets. As different geophysical surveys are designed with specific tar...
A Beautiful Sunset (Clause): Enhancing Statewide Geophysics with High Resolution Company Data
- Publication Name: AEGC 2021
- Authors: Sam Matthews
- Date Published: September 2021
Abstract:
The Geological Survey of NSW (GSNSW) is the custodian of both government and company geophysical data for NSW. In 2020 GSNSW committed to delivering an updated statewide magnetic merge combining government and open file company geophysical data, at a...
Estimation of Magnetization Direction over Wide Sheets Illustrated with a Case Study of the Earoo Magnetic Anomaly, Western Australia
- Publication Name: AEGC 2021
- Authors: Clive Foss, Phil Schmidt, James Austin
- Date Published: September 2021
Abstract:
Single profile analysis across locally planar structures such as the edges of a wide sheet cannot resolve the 3D magnetization vector but we show that from two or more profiles across differently trending edges the magnetization is uniquely defined a...
Mineral systems and data integration as part of the foundation for the future of mineral exploration
- Publication Name: AEGC 2021
- Authors: Sandra Occhipinti, Vasek Metelka, Hassan Talebi, Dave Cole, Alex Otto
- Date Published: September 2021
Abstract:
As exploration focuses on defining new resources under large Phanerozoic basins and thick unconsolidated cover generic exploration models, following a mineral systems approach will be vital to future exploration programs. Specific ore deposit models ...
In situ zircon Hf-O isotopic constraints on the genesis of quartz diorite in Narusongduo Pb-Zn mining area, Tibet
- Publication Name: AEGC 2021
- Authors: Xuejing Gong, Qingtian Lü, Zhusen Yang
- Date Published: September 2021
Abstract:
Narusongduo Pb-Zn deposit is located in the southern margin of the middle Lhasa terrane. The characteristics of the magma source and genetic mechanism of the premetallogenic quartz diorite in the mining zone have not been well explained. The zircon o...
Big Data guided Digital Petroleum Ecosystems for Visual Analytics and Knowledge Management
- Publication Name: AEGC 2021
- Authors: Shastri L Nimmagadda, Andrew Ochan, Neel Mani, Torsten Reiners
- Date Published: September 2021
Abstract:
The North West Shelf (NWS) interpreted as a Total Petroleum System (TPS), is Super Westralian Basin with active onshore and offshore basins through which shelf, slope and deep-oceanic geological events are construed. In addition to their data associa...
Node quality control using drones and object detection
- Publication Name: AEGC 2021
- Authors: Jason Stephenson, Shaun Strong
- Date Published: September 2021
Abstract:
Wireless nodal surveys are now commonplace in Australian land seismic. It is essential that rigorous QC of the condition of the nodes is performed during these surveys. Acquiring footage using off-the-shelf drones can assist with this....
Modelling fluid flow in complex 3D fault networks
- Publication Name: AEGC 2021
- Authors: Thomas Poulet, Ulrich Kelka, Vincent Crombez, Marcus Kunzmann, Teagan Blaikie, Heather Sheldon, Martin Lesueur
- Date Published: September 2021
Abstract:
Faults play a critical role in controlling the movement of mineralising fluids and the resulting formation of mineral deposits. Numerical models are useful for understanding fluid pathways through faults and their host rocks. However, the heterogeneo...
Predicting fluid pathways in large discontinuity systems using graph theory
- Publication Name: AEGC 2021
- Authors: Ulrich Kelka Stefan Westerlund Thomas Poulet Luk Peeters
- Date Published: September 2021
Abstract:
Fracture networks and fault zones play an important role for subsurface fluid flow. Estimating the impact on the permeability field of such structures is of high interest for reservoir characterization, groundwater management, and exploration targeti...
Almost automatic geological mapping from AEM surveys
- Publication Name: AEGC 2021
- Authors: David Annetts, Juerg Hauser
- Date Published: September 2021
Abstract:
Interpretation of electromagnetic survey data for underlying geology is a common task that is complicated by the volume of data collected in airborne electromagnetic (AEM) surveys. We test a supervised learning approach for AEM data collected in the ...
Knowledge-Guided Machine Learning for Komatiite-Hosted Nickel Prospectivity Mapping
- Publication Name: AEGC 2021
- Authors: Minsu Kwon
- Date Published: September 2021
Abstract:
Thanks to the brilliant progress in machine learning, many research works have conducted data-driven mineral prospectivity mapping. However, it is challenging to integrate highly multidisciplinary geoscientific data with machine learning algorithms. ...
Yaouré Seismic Survey: Defining a Complex 3D Structural Framework with High Resolution Seismic Data
- Publication Name: AEGC 2021
- Authors: Greg Turner, Cissé Amadou, Peter Turner, Graeme Hird, Doug Jones
- Date Published: September 2021
Abstract:
Approximately 4Moz of gold have been discovered to date at the Yaouré gold deposit in Côte d’Ivoire, demonstrating the high endowment of the area despite little exploration at depths beyond 350m. With the objective of accelerating its search for ...