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DTSTART;TZID=Australia/Melbourne:20260602T120000
DTEND;TZID=Australia/Melbourne:20260602T140000
DTSTAMP:20260605T082750
CREATED:20260511T051737Z
LAST-MODIFIED:20260511T051831Z
UID:10008784-1780401600-1780408800@pesa.com.au
SUMMARY:PESA VIC/TAS: National Geoscience Champion Lecture Tour - Peter Moore
DESCRIPTION:PESA VIC/TAS invites you to our technical luncheon on Tuesday 2nd June at Henry and the Fox\, Melbourne\n“Petroleum geoscience and the energy transition: a personal historical perspective and predictions for the future“\nPresented by Peter Moore (AGC/PESA National Geoscience Champion Lecture Tour 2026)\nThe petroleum industry was technologically advanced by the mid 1900s\, but a number of developments over the last half century stand out in the areas of seismic\, sequence stratigraphy\, assessment technologies\, deepwater plays\, drilling\, offshore developments\, CSG and shale\, which will be discussed\, including from a personal perspective. These developments have served to maintain the competitiveness of the petroleum industry and have satisfied an increasing demand over time. \nHowever\, a key question for the industry is its future role in the evolving energy transition. Analysis is difficult because there are multiple competing narratives and strong vested interests: \nToday we sit at a pivot point\, with a growing divergence of possible energy futures\, depending on how the world balances economic growth\, energy poverty\, geopolitics\, and great power competition against emissions reduction\, fossil fuel elimination and climate change concerns. \nIn the decade since the Paris agreement and despite significant progress\, the 1.5oC goal is lost and fossil fuel’s contribution to energy consumption remains at 80%. \nWhile both sides (fossil fuel supporters and renewable proponents) argue their case\, the next 15 years at least is becoming clearer – a US/China energy and manufacturing divide\, huge growth of renewables but matched by overall energy growth\, the emergence of nuclear\, and the persistence of petroleum\, especially gas. \nDespite trillions of dollars spent on the energy transition\, we have underestimated the difficulty in speedily transitioning the world’s energy and industrial infrastructure\, and have underestimated global growth\, including overall energy consumption. This can be seen by comparing predictions and model outcomes published over the last decade. \nFor today’s petroleum geoscientists\, technology and jobs will continue to evolve while new areas are likely to include advanced geothermal\, CCS\, and potentially natural hydrogen. As fields decline and new developments and discoveries become smaller\, more effort and technology are required from petroleum companies and individuals to deliver the energy the world still demands. \nPeter will also add updated comments related to the Straits of Hormuz and the US/Iran conflict. \n \nImage credit – Jenny Yerimey \nEvent Details: \n\nDate: Tuesday\, June 2nd\, 2026\nTime: 12:00 PM – 2:00 PM\nVenue: Henry and the Fox\, 525 Little Collins St\, Melbourne VIC 3000\n\nAgenda: \n\nNetworking and social drink (12-12:30pm)\nLunch (12:30 – 1pm)\nTechnical presentation (1-1:40pm)\nQuestions/Discussion (1:40-2pm)\n\nRefreshments: \n\nLunch and drinks will be provided at the venue.\n\nFee: (Apologies for the increase\, but Henry and the Fox have raised their rates) \n\n$70 per person (Members of PESA\, ASEG\, and SPE)\n$90 non-members\n$30 Students
URL:https://pesa.com.au/events/pesa-vic-tas-peter-moore-national-geoscience-champion-lecture-tour/
LOCATION:Henry & The Fox\, 525 Little Collins Street\, Melbourne\, Victoria\, 3000\, Australia
CATEGORIES:Industry,Technical Lunch,VIC / TAS
ORGANIZER;CN="PESA VIC/TAS":MAILTO:vic-tas-secretary@pesa.com.au
GEO:-37.8173434;144.957392
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Brisbane:20260528T120000
DTEND;TZID=Australia/Brisbane:20260528T143000
DTSTAMP:20260605T082750
CREATED:20260430T223139Z
LAST-MODIFIED:20260604T044005Z
UID:10008780-1779969600-1779978600@pesa.com.au
SUMMARY:PESA QLD: Comet Ridge's Mahalo Gas Hub – The next cab off the rank
DESCRIPTION:Comet Ridge’s Mahalo Gas Hub – The next cab off the rank\nPresented by Tor McCaul (Managing Director)\, Melanie Fitzell (Lead Geologist & Tenures) \nComet Ridge has secured a significant acreage position at the Mahalo Gas Hub in the southern Bowen Basin. This region is shaping up to be a major gas production hub for the east coast\, with proven commercial production rates\, development-ready 2P gas reserves\, and excellent access to key infrastructure to domestic and LNG export markets. The Mahalo Gas Hub assets are the Company’s primary focus for short-term development and appraisal expansion activities with the aim of supplying gas into Australia’s east coast gas market. \nJoin Tor and Melanie who will provide an engaging overview of the Mahalo Gas Hub area\, including details on its exploration and appraisal history\, geological setting\, and the exciting future opportunities ahead for the project. \n  \nTickets on sale now.\nStandard ticket pricing will go into affect on Thursday\, 21st May 5:00 PM. \nPlease note\, this event will commence at 12:30pm (arrival from 12:00pm).
URL:https://pesa.com.au/events/pesa-qld-may-2026-technical-lunch/
LOCATION:Stamford Plaza Brisbane\, 39 Edward St\, Brisbane QLD\, Brisbane\, 4000\, Australia
CATEGORIES:QLD,Technical Lunch,Technical Talk
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2026/05/may-2026-talk.avif
ORGANIZER;CN="PESA QLD":MAILTO:qld-treasurer@pesa.com.au
GEO:-27.4714163;153.0303949
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Stamford Plaza Brisbane 39 Edward St Brisbane QLD Brisbane 4000 Australia;X-APPLE-RADIUS=500;X-TITLE=39 Edward St:geo:153.0303949,-27.4714163
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20260528T120000
DTEND;TZID=Australia/Adelaide:20260528T140000
DTSTAMP:20260605T082750
CREATED:20260505T033419Z
LAST-MODIFIED:20260505T033419Z
UID:10008782-1779969600-1779976800@pesa.com.au
SUMMARY:PESA SA/NT May Luncheon
DESCRIPTION:PESA SA/NT May Luncheon\n“Update on Gold Hydrogen’s drilling on the Yorke Peninsula”\n Peter Bubendorfer\nGold Hydrogen\n  \nAbstract:\nGold Hydrogen was started by its founders in 2021 with applications lodged over historic hydrogen shows on Yorke Peninsula and Kangaroo Island. Applications were also lodged over areas of the Adelaide Geosyncline and Murray Basin as well as blocks on the Gawler Craton south of Whyalla. The company listed on the ASX in early 2023 and following the grant of PEL 687 has been a very active pioneering explorer. After flying airborne gravity and magnetics\, in 2023 the company twinned the original Ramsay Oil Bore hydrogen show with Ramsay 1 and 2\, intersecting up to 96% hydrogen and 37% helium\, some of the highest purities ever seen in underground wells. Post drilling\, a 2D seismic survey was carried out and at the end of 2025 two further wells were drilled which confirmed continuity of reservoir. The company is preparing to flow test its wells later this year. \n  \nEvent Details:\nThursday\, 28th May 2026 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 25th May  2026 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-may-luncheon-2/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260512T120000
DTEND;TZID=Australia/Sydney:20260512T143000
DTSTAMP:20260605T082750
CREATED:20260424T122226Z
LAST-MODIFIED:20260518T045334Z
UID:10008779-1778587200-1778596200@pesa.com.au
SUMMARY:PESA NSW: May 2026 Technical Lunch
DESCRIPTION:The Taroom Trough – The next big thing?  \nActivity in the Taroom Trough of the Bowen Basin Queensland is ramping up considerably in 2026. The unconventional play\, considered by many to be Australia’s first proven Basin Centred Gas (BCG) accumulation\, will see significant seismic and well activity in 2026. Large and small companies alike are staking their positions\, with activity at an all time high. Over the coming years\, we will see a raft of companies including majors\, such as Shell and Santos\, new players Omega and Elixir and the newest entrant into the Trough\, Xstate Resources\, working towards commercial breakthroughs. Greg will give a brief history of the Taroom Trough from an unconventional perspective\, describe the play in detail and provide insight to some of the more important drilling results and preview the upcoming activity in the region.
URL:https://pesa.com.au/events/pesa-nsw-may-2026-technical-lunch/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20260430T120000
DTEND;TZID=Australia/Adelaide:20260430T140000
DTSTAMP:20260605T082750
CREATED:20260330T083543Z
LAST-MODIFIED:20260409T055335Z
UID:10008768-1777550400-1777557600@pesa.com.au
SUMMARY:PESA SA/NT April Luncheon- Cooper Basin - seismic processing & where it leads ...
DESCRIPTION:PESA SA/NT April Luncheon\nJoint meeting with ASEG SA-NT\nCooper Basin – seismic processing & where it leads …\nPeter Strauss\n  \nAbstract:\nProcessing and interpretation work on the Western Flank of the Cooper Basin indicate that modern land 3D seismic datasets are often not fit-for-purpose when targeting smaller-scale structures. One of the primary objective in this region\, the Namur horizon\, is typically a strong and easily identifiable seismic event. Exploration success therefore depends less on horizon picking and more on accurately positioning wells on genuine structural highs. However\, deeper targets beneath the Namur present greater challenges. In these intervals\, seismic events are often discontinuous and geologically inconsistent\, making both structural interpretation and imaging problematic. \nThis talk highlights two key issues: \nThe structural problem is not new—it was identified in 2D seismic data approximately 30 years ago\, where structural “corrections” were applied. These corrections have not been consistently carried through into modern 3D datasets.\nImaging quality in onshore seismic data is being compromised by the application of processing workflows originally developed for marine 3D seismic. These methods are poorly suited to land data\, where targets are significantly smaller and geological complexity is higher. Avoiding such approaches can yield sharper\, more geologically meaningful seismic images better suited to land exploration. \nEvent Details:\nThursday\, 30th April 2026 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 27th April 2026 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-april-luncheon-cooper-basin/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20260416T120000
DTEND;TZID=Australia/Perth:20260416T140000
DTSTAMP:20260605T082750
CREATED:20260328T121449Z
LAST-MODIFIED:20260409T020133Z
UID:10008767-1776340800-1776348000@pesa.com.au
SUMMARY:PESA WA: April Lunch Talk: Simon Lang
DESCRIPTION:PESA WA invites you to our April Technical Lunch event on Thursday 16 April at The Melbourne Hotel:\nFluvial-Deltaic Depositional Systems – Lessons from the Freezer to the Oven\nPresented by Simon Lang (UWA)\nIn this talk\, Professor Simon Lang will review some of the lessons learned regarding geometry/architecture of reservoirs and seals from many modern and ancient “partial analogues” that Simon has worked on from the Ob River of Siberia and the Permian Bowen-Sydney-Cooper basins; through the Triassic to Jurassic of the Carnarvon-Browse Basin ls and useful partial analogues from South America and Central & Western Australia.\nTicket Prices: \nEarly Bird Member (Until 5pm Monday 6 April): $69.00 \nMember (Tuesday 7 April – Thursday 9 April): $79.00 \nStudent Member (Until Thursday 9 April): $20.00 \nConcession Member [Retired or Hardship] (Until Thursday 9 April): $59.00 \nNon-Member (Until Thursday 9 April): $89.00 \nEarly bird pricing ends Monday 6 April at 5pm (AWST). All ticket sales close at 5pm Thursday 9 April.  No further tickets will be allocated after this time. \nPlease note that this event will be held on Tuesday 16 April at The Melbourne Hotel (33 Milligan Street\, Perth). \nPlease note that this event includes lunch (main meal and dessert)\, soft drinks and juice\, tea and coffee.  There will be a cash bar available. \nHosted with thanks to our Platinum Sponsor: \n \nand Gold Sponsor: \n \nand Silver Sponsors: \n \n \n \nand Bronze Sponsor:
URL:https://pesa.com.au/events/pesa-wa-2026-april-lunch-talk-simon-lang/
LOCATION:The Melbourne Hotel\, 33 Milligan Street\, Perth\, Western Australia\, 6000\, Australia
CATEGORIES:Industry,Technical Lunch,Technical Talk,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2026/02/pesa-energy-geoscience.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260414T120000
DTEND;TZID=Australia/Sydney:20260414T143000
DTSTAMP:20260605T082750
CREATED:20260322T113337Z
LAST-MODIFIED:20260407T003429Z
UID:10008766-1776168000-1776177000@pesa.com.au
SUMMARY:PESA NSW: April 2026 Technical Lunch
DESCRIPTION:Net Zero\nPESA NSW invite you to our technical luncheon. Presented by Max Williamson. The Branch AGM will also be held before the lunch. \nIntroduction\nNet Zero (aka Net Zero Emissions) is a widely used and abused term in today’s environment conscious world. The term has been grabbed by many professions in our developed society to mean many things\, but all about justifying their actions\, pronouncements and member requirements. Industries have been created based on the simple two words. \nQuoting from Wikipedia:\n“The idea of NET ZERO came out f research in the late 2000s into how the atmosphere\, oceans and carbon cycle were reacting to CO2 emissions. This research found that global warming will significantly slow down only if CO2 emissions are reduced to net zero\, although existing greenhouse gasses in the atmosphere will still contribute to continued warming. Net zero was basic to the goals of the Paris Agreement. This stated that the world must “achieve a balance between anthropogenic emissions by sources and removals by sinks of greenhouse gasses in the second half of this century”. The term “net zero” gained popularity after the Intergovernmental Panel on Climate Change published its Special Report on Global Warming of 1.5 degrees Celsius (SR15). This report stated that “Reaching and sustaining net zero global anthropogenic (human caused) CO2 emissions and declining net non-CO2 radiative forcing would halt anthropogenic global warming on multi-decadal time scales (high confidence).”\nTodays realities \nIn Australia alone\, there are copious seminar papers\, technical journals\, comprehensive books etc written by members of various technical\, legal\, accounting\, engineering and environmental bodies including scientists\, professors\, barristers\, lawyers\, chartered accountants and of course journalists. So much is self-promoting care has to be taken to recognise bias and the need to ensure the individuals remain in paid employment or keep their consulting roles. Having said that it is also fair to say there are some seriously well written and technically supported items that deserve attention from members of bodies such as PESA and SPE. \nMeaning it is important to make up your own mind on the correctness and reasonableness of anything out there meant to be influencing or causing changes in society reactions\, laws and investments. \nQuoting from Wikipedia\n“Net Zero claims vary enormously in how credible they are\, but most have low credibility despite the increasing number of commitments and targets. While 61% of global carbon dioxide emissions are covered by some sort of net zero target\, credible targets cover only 7% of emissions. This low credibility reflects a lack of binding regulation. It is also due to the need for continued innovation and investment to make decarbonisation possible.” \nPESA Presentation \nThis PESA presentation about looking at:\n1/ what really is meant by NET ZERO in a legal\, accounting and recording sense for oil and gas operators. More particularly defining both aspects of the costs/debits imposed by emissions on the one hand and the credits such as carbon credits; and\n2/ various positions of the more public participants\, determining any bias factors\, discounting or elevating opinions of relevance.\nWhile it is impossible to ignore politicians and their influencers in this scene\, the intention is to focus away from political rhetoric and focus on realities including real world calculations\, legal obligations and accounting disclosures. \nPESANSWBranch-AGMNotice2026 \nPESA NSW Branch Committee Nomination Form 2026 \nPESA NSW-ACT Branch AGM 2026 -Annual Report for 2025 \nPESA NSW 2025 AGM Minutes
URL:https://pesa.com.au/events/pesa-nsw-april-2026-technical-lunch/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20260326T120000
DTEND;TZID=Australia/Adelaide:20260326T140000
DTSTAMP:20260605T082750
CREATED:20260310T051317Z
LAST-MODIFIED:20260317T040534Z
UID:10008765-1774526400-1774533600@pesa.com.au
SUMMARY:PESA SA/NT: Omega Oil and Gas: Omega and the Taroom Trough Story
DESCRIPTION:PESA SA/NT March Luncheon\n“Omega and the Taroom Trough story”\nTrevor Brown\nOmega Oil and Gas\n\n  \nAbstract:\n  \nEvent Details:\nThursday\, 26th March 2026 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 23rd March 2026 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-omega-oil-and-gas-an-activities-update-in-queensland/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260310T120000
DTEND;TZID=Australia/Sydney:20260310T143000
DTSTAMP:20260605T082750
CREATED:20260225T012306Z
LAST-MODIFIED:20260225T012306Z
UID:10008763-1773144000-1773153000@pesa.com.au
SUMMARY:PESA NSW: The Geology and Petroleum Resources of Venezuela
DESCRIPTION:The Geology and Petroleum Resources of Venezuela\nPESA NSW invite you to our technical luncheon. Presented by Phil Cooney (PESA NSW President). \nVenezuela\, located on the northern edge of South America\, is only slightly bigger than NSW yet it has produced an estimated 50 billion barrels of oil to date and still contains oil reserves of over 300 billion barrels (more than the 267 billion barrels of Saudi Arabia) and 18% of the world’s reserves. Phil will talk about the extraordinary fit of Source\, Reservoir\, Seal and Migration Timing that resulted in Venezuela’s mega accumulations as well as a brief description of how and when they were discovered and the effect on Venezuela itself. \n 
URL:https://pesa.com.au/events/pesa-nsw-meeting-march-2026/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Brisbane:20260305T120000
DTEND;TZID=Australia/Brisbane:20260305T143000
DTSTAMP:20260605T082750
CREATED:20260203T032307Z
LAST-MODIFIED:20260227T002552Z
UID:10008755-1772712000-1772721000@pesa.com.au
SUMMARY:PESA QLD: Barry Goldstein Medal Lecture Tour March 2026 – Bruce Ainsworth
DESCRIPTION:Honouring the Humble Clinoform: Towards a Reservoir Modelling Best Practice\nPresented by Dr. Bruce Ainsworth\, recipient of the 2025 Barry Goldstein Medal \nClinoforms have fascinated Bruce since first pondering their economic significance in Shell Research Laboratories in the early 1990’s. These dipping stratal surfaces are ubiquitous in the stratigraphic record but often ignored with regard to their potential significant influence on fluid flow in the subsurface. Whether you are interested in hydrocarbon or groundwater extraction\, carbon sequestration\, or sediment hosted uranium\, you need to know if you are dealing with clinoforms. Clinoforms can have significant impacts on resource recovery and emplacement. Ignoring them or simply not recognising them can have profound (usually) negative impacts on project value. Key to making clinoforms your best friend are three steps; 1) recognition\, 2) uncertainty management\, and 3) targetted modelling. This talk will guide the clinoform user through these steps and suggest a reservoir modelling best practice for honouring the humble clinoform. \n  \nTickets on sale now.\nStandard ticket pricing will go into affect on Friday\, 27th February 5:00 PM. \nPlease note\, this event will commence at 12:30pm (arrival from 12:00pm).
URL:https://pesa.com.au/events/pesa-qld-barry-goldstein-medal-lecture-tour-march-2026-bruce-ainsworth/
LOCATION:Stamford Plaza Brisbane\, 39 Edward St\, Brisbane QLD\, Brisbane\, 4000\, Australia
CATEGORIES:QLD,Technical Lunch,Technical Talk
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/11/Clinoforms.avif
ORGANIZER;CN="PESA QLD":MAILTO:qld-treasurer@pesa.com.au
GEO:-27.4714163;153.0303949
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Stamford Plaza Brisbane 39 Edward St Brisbane QLD Brisbane 4000 Australia;X-APPLE-RADIUS=500;X-TITLE=39 Edward St:geo:153.0303949,-27.4714163
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20260226T120000
DTEND;TZID=Australia/Adelaide:20260226T140000
DTSTAMP:20260605T082750
CREATED:20251017T075949Z
LAST-MODIFIED:20260205T054856Z
UID:10008740-1772107200-1772114400@pesa.com.au
SUMMARY:PESA SA/NT: Barry Goldstein Medal Lecture Tour Feb 2026 - Bruce Ainsworth
DESCRIPTION:PESA SA/NT February Luncheon\n“Honouring the Humble Clinoform: Towards a Reservoir Modelling Best Practice”\nBruce Ainsworth\nPESA Barry Goldstein Medal Lecture Tour 2026\nSponsored by Santos\n  \nAbstract:\nClinoforms have fascinated Bruce since first pondering their economic significance in Shell Research Laboratories in the early 1990’s. These dipping stratal surfaces are ubiquitous in the stratigraphic record but often ignored with regard to their potential significant influence on fluid flow in the subsurface. Whether you are interested in hydrocarbon or groundwater extraction\, carbon sequestration\, or sediment hosted uranium\, you need to know if you are dealing with clinoforms. Clinoforms can have significant impacts on resource recovery and emplacement. Ignoring them or simply not recognising them can have profound (usually) negative impacts on project value. Key to making clinoforms your best friend are three steps; 1) recognition\, 2) uncertainty management\, and 3) targetted modelling. This talk will guide the clinoform user through these steps and suggest a reservoir modelling best practice for honouring the humble clinoform. \nEvent Details:\nThursday\, 26th Feb 2026 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 23rd Feb 2026 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-barry-goldstein-medal-lecture-tour-feb-2026-bruce-ainsworth/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/10/FeatureImage-scaled.avif
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20260219T120000
DTEND;TZID=Australia/Perth:20260219T140000
DTSTAMP:20260605T082750
CREATED:20260105T073423Z
LAST-MODIFIED:20260220T070209Z
UID:10008752-1771502400-1771509600@pesa.com.au
SUMMARY:PESA WA: Barry Goldstein Medal Lecture Tour February 2026 - Bruce Ainsworth
DESCRIPTION:Hosted with thanks to our Platinum sponsor: \n \nand gold sponsor: \n \nand Silver Sponsors: \n \n \n \nand Bronze Sponsors: \n \nPESA WA invites you to our technical luncheon on Thursday 19th February at The Melbourne Hotel\n“Honouring the Humble Clinoform: Towards a Reservoir Modelling Best Practice”\nPresented by Bruce Ainsworth (PESA Barry Goldstein Medal Lecture Tour 2026)\nClinoforms have fascinated Bruce since first pondering their economic significance in Shell Research Laboratories in the early 1990’s. These dipping stratal surfaces are ubiquitous in the stratigraphic record but often ignored with regard to their potential significant influence on fluid flow in the subsurface. Whether you are interested in hydrocarbon or groundwater extraction\, carbon sequestration\, or sediment hosted uranium\, you need to know if you are dealing with clinoforms. Clinoforms can have significant impacts on resource recovery and emplacement. Ignoring them or simply not recognising them can have profound (usually) negative impacts on project value. Key to making clinoforms your best friend are three steps; 1) recognition\, 2) uncertainty management\, and 3) targetted modelling. This talk will guide the clinoform user through these steps and suggest a reservoir modelling best practice for honouring the humble clinoform. \nTicket Prices:\nConcession Member [Retired or Hardship]: $69.00 \nStudent Member: $30.00 \nNon-Member: $109.00 \nMember: $89.00 \nEarly bird\, Concession\, and Student pricing ends 5pm on Thursday February 5th (2 weeks prior). All ticket sales close at noon on Monday February 16th (3 days prior). No further tickets will be allocated after this time due to venue restrictions.  Please note that for tickets purchased after 11 February 2026\, dietary requirements may not be able to be catered for\, however we will do our best. \nPlease note that this event includes lunch (main meal and dessert)\, soft drinks and juice\, tea and coffee.  There will be a cash bar available prior to the presentation. \nPlease also note that the venue for this event will be held at The Melbourne Hotel (33 Milligan Street\, Perth).
URL:https://pesa.com.au/events/pesa-wa-barry-goldstein-medal-lecture-tour-feb-2026-bruce-ainsworth/
LOCATION:The Melbourne Hotel\, 33 Milligan Street\, Perth\, Western Australia\, 6000\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/10/FeatureImage-scaled.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Melbourne:20260211T120000
DTEND;TZID=Australia/Melbourne:20260211T140000
DTSTAMP:20260605T082750
CREATED:20260202T022015Z
LAST-MODIFIED:20260202T040329Z
UID:10008754-1770811200-1770818400@pesa.com.au
SUMMARY:PESA VIC/TAS: Barry Goldstein Medal Lecture Tour February 2026 - Bruce Ainsworth
DESCRIPTION:PESA VIC/TAS invites you to our technical luncheon on Wednesday 11th February at Henry and the Fox\, Melbourne\n“Honouring the Humble Clinoform: Towards a Reservoir Modelling Best Practice”\nPresented by Bruce Ainsworth (PESA Barry Goldstein Medal Lecture Tour 2026)\nClinoforms have fascinated Bruce since first pondering their economic significance in Shell Research Laboratories in the early 1990’s. These dipping stratal surfaces are ubiquitous in the stratigraphic record but often ignored with regard to their potential significant influence on fluid flow in the subsurface. Whether you are interested in hydrocarbon or groundwater extraction\, carbon sequestration\, or sediment hosted uranium\, you need to know if you are dealing with clinoforms. Clinoforms can have significant impacts on resource recovery and emplacement. Ignoring them or simply not recognising them can have profound (usually) negative impacts on project value. Key to making clinoforms your best friend are three steps; 1) recognition\, 2) uncertainty management\, and 3) targetted modelling. This talk will guide the clinoform user through these steps and suggest a reservoir modelling best practice for honouring the humble clinoform. \nEvent Details: \n\nDate: Wednesday\, February 11th\, 2026\nTime: 12:00 PM – 2:00 PM\nVenue: Henry and the Fox\, 525 Little Collins St\, Melbourne VIC 3000\n\nAgenda: \n\nNetworking and social drink (12-12:30pm)\nLunch (12:30 – 1pm)\nTechnical presentation (1-1:40pm)\nQuestions/Discussion (1:40-2pm)\n\nRefreshments: \n\nLunch and drinks will be provided at the venue.\n\nFee: \n\n$50 per person (Members of PESA\, ASEG\, and SPE)\n$80 non-members\n$20 Students
URL:https://pesa.com.au/events/pesa-vic-tas-barry-goldstein-medal-lecture-tour-february-2026-bruce-ainsworth/
LOCATION:Henry & The Fox\, 525 Little Collins Street\, Melbourne\, Victoria\, 3000\, Australia
CATEGORIES:Industry,Technical Lunch,VIC / TAS
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/10/FeatureImage-scaled.avif
ORGANIZER;CN="PESA VIC/TAS":MAILTO:vic-tas-secretary@pesa.com.au
GEO:-37.8173434;144.957392
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Henry & The Fox 525 Little Collins Street Melbourne Victoria 3000 Australia;X-APPLE-RADIUS=500;X-TITLE=525 Little Collins Street:geo:144.957392,-37.8173434
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260210T120000
DTEND;TZID=Australia/Sydney:20260210T143000
DTSTAMP:20260605T082750
CREATED:20260116T050322Z
LAST-MODIFIED:20260209T230558Z
UID:10008753-1770724800-1770733800@pesa.com.au
SUMMARY:PESA NSW: Barry Goldstein Medal Lecture Tour Feb 2026 – Bruce Ainsworth
DESCRIPTION:Honouring the Humble Clinoform: Towards a Reservoir Modelling Best Practice\nSponsored by Santos \nPESA NSW invite you to our technical luncheon. Presented by Bruce Ainsworth (PESA Barry Goldstein Medal Lecture Tour 2026). \nClinoforms have fascinated Bruce since first pondering their economic significance in Shell Research Laboratories in the early 1990’s. These dipping stratal surfaces are ubiquitous in the stratigraphic record but often ignored with regard to their potential significant influence on fluid flow in the subsurface. Whether you are interested in hydrocarbon or groundwater extraction\, carbon sequestration\, or sediment hosted uranium\, you need to know if you are dealing with clinoforms. Clinoforms can have significant impacts on resource recovery and emplacement. Ignoring them or simply not recognising them can have profound (usually) negative impacts on project value. Key to making clinoforms your best friend are three steps; 1) recognition\, 2) uncertainty management\, and 3) targetted modelling. This talk will guide the clinoform user through these steps and suggest a reservoir modelling best practice for honouring the humble clinoform. \n 
URL:https://pesa.com.au/events/2026-pesa-nsw-february-talk/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/11/Clinoforms.avif
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251218T120000
DTEND;TZID=Australia/Perth:20251218T140000
DTSTAMP:20260605T082750
CREATED:20250818T064635Z
LAST-MODIFIED:20251219T060918Z
UID:10008721-1766059200-1766066400@pesa.com.au
SUMMARY:PESA WA: Christmas Luncheon 2025
DESCRIPTION:PESA WA invites you to our Christmas Technical Luncheon on Thursday 18th December\n\nRoughnecks and Reindeers: Stories of Strength and Spirit!!\nPresented by Julia Davies \n  \nPESA WA Annual General Meeting\nPESA WA is seeking new committee members to support the running of the society and its active program of technical and social events throughout the year.  A range of positions are available\, with opportunities to shadow existing members to build experience and understanding of the committee. \nNominations for 2025 committee positions are required by the 6th of December\, prior to the AGM at the Annual Christmas Luncheon on the 12th of December. For further information please review role descriptions in the 2025 nomination form (link below) or reach out to the WA President (wa-president@pesa.com.au) or WA Secretary (wa-secretary@pesa.com.au) for further details. \nPESA Committee Nomination Form \n\nHosted with thanks to our Platinum sponsor SLB: \n  \n \nGold Sponsors IKON Science: \n \n  \nand Silver Sponsors Delft\, Qeye\, Totum Compliance\, Core Laboratories and Task Fronterra Geoscience: \n                       \n       \n  \nEach lunch ticket includes networking drinks at Metro Bar afterwards.  No admittance to the drinks if you have not purchased a lunch ticket. \n\nTicket Prices: \nMember (Early Bird): $79.00 \nStudent Member (Early Bird): $49.00 \nNon-Member: $109.00 \nMember (Non-Early Bird): $89.00 \nEarly bird pricing ends Thursday (1 week prior) at 5pm (AWST). All ticket sales close at midday on Monday for catering purposes. \n 
URL:https://pesa.com.au/events/pesa-wa-christmas-luncheon-2025/
LOCATION:Parmelia HIlton\, 14 Mill Street\, Perth\, WA\, 6000\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/08/FINAL-ChatGPT-Image-Dec-11-2025-08_42_03-AM.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
GEO:-31.9545416;115.8526929
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Parmelia HIlton 14 Mill Street Perth WA 6000 Australia;X-APPLE-RADIUS=500;X-TITLE=14 Mill Street:geo:115.8526929,-31.9545416
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251211T120000
DTEND;TZID=Australia/Adelaide:20251211T143000
DTSTAMP:20260605T082750
CREATED:20251119T004855Z
LAST-MODIFIED:20251201T003144Z
UID:10008750-1765454400-1765463400@pesa.com.au
SUMMARY:PESA SA/NT Annual General Meeting & Christmas Luncheon 2025
DESCRIPTION:PESA SA/NT\nAnnual General Meeting & Christmas Luncheon\n\nDate: Thursday\, 11 December 2025\, Time: 12:30 PM\nVenue: Ayers House\, North Terrace\, Adelaide\n  \nAnnual General Meeting \nThe PESA South Australia/Northern Territory Branch invites all members to attend the 2025 Annual General Meeting (preceding the Christmas Luncheon) .This important event provides a valuable opportunity to reflect on the year’s progress\, recognize our collective achievements\, and plan for the year ahead. \nThe AGM will be held immediately prior to the PESA SA/NT Christmas Luncheon\, offering members the chance to engage in both professional discussion and seasonal celebration. \nAgenda \n\nPresident’s Report – Review of the Branch’s activities and milestones accomplished throughout 2025.\n\nTreasurer’s Report – Presentation of the financial summary and key fiscal updates. \n\n\nProposed 2026 Committee – Introduction of the nominated committee members for the upcoming year. \n\n\nAdditional Nominations from the Floor – Opportunity for further nominations to be put forward. \n\n\nAny Other Business (AOB) – Open discussion of other matters of interest to members. \n\n\nAll members are encouraged to attend\, contribute to the discussions\, and participate in the formation of the 2026 committee. Your engagement helps guide the direction of our Branch and ensures that our community continues to thrive. \n  \nChristmas Luncheon\nChristmas Geo-Crackers with David Grybowski\n\n  \nAbstract: \nBorn 29 May 2006 and not dead yet. Volcanoes are no strangers to Indonesia and Lusi is the ……………………………………………………………..wisdom in this thrilling Christmas luncheon. \nOops sorry! Wrong talk. A Christmas lunch is a time to have a few laughs\, and when you dig deep into the Lusi disaster\, it deserves our serious consideration later in the year.   \n For your entertainment\, David will instead present a trio of Christmas crackers.  \n\n Why Does The Niagara Fall?\n\n Forbes has Niagara Falls in second on their bucket list of travel destinations – wedged in between the Maldives and the Mona Lisa. But what is the geology over which the Niagara falls? Newlywed couples don’t care. Nobody is curious enough to ask this question except the Petroleum Exploration Society of Australia’s SA/NT branch. Once again\, David Grybowski will give you all the answers you’ve been yearning for.  \n\n Petroleum Dreaming of the Adelaide Plains \n\n In a short presentation\, David will geo-fantasise the petroleum reservoir targets present in the geomorphology of the Adelaide Plains as if they were depositional environments under a seal of transgressive mudstones and thousands of metres of overburden.   \n\n The Ancient Turkish Coast \n\n Time permitting\, David will reprise part of his Cry Me A River presentation that he gave in 2022 about the fluvial filling of the River Meander in western Turkey that left ancient ports stranded from the sea.  \n\n And a sneak preview of Lusi – The Greatest Mud Volcano Disaster in the World. \n\nA thrilling Whatdunnit and Who-pay-for-it.  \n  \nDavid returns to the PESA podium with another Christmas cracker-good pole axing of industry norms. October 2022 saw fluvial hi jinks with Cry Me A River and the world premiere of the petroleum play pitch The Project – A Play About Not Working Together.  For the Christmas luncheon of 2023\, David shared his rock-starred childhood with The Books That Hooked Me – an investigation of the childhood books and collectables that turned his head toward geology. David then revealed his interest in engineering with The Role of Toilet Paper; a descriptive tour de force of public paper dispensers we all love to hate. David’s 35 years in petroleum geology has given him ample opportunity to ponder where things might have gone wrong. Most of his experience was with Santos. \n Tickets for the luncheon: \n\n\n\nMembers $80.00\nNon-Members $120\nStudents $30.00\n\n\n\n\nEvent Details:\nThursday 11 December 2025 \nLuncheon: 12 pm for a 12:30 pm start \nThe luncheon will consist of 3 courses and a 3-hour drinks package \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nBookings close at 5 pm Monday\, 8th December 2025 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-christmas-luncheon-2025/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch,Technical Talk
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/11/christmas-Luncheon.avif
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20251209T120000
DTEND;TZID=Australia/Sydney:20251209T143000
DTSTAMP:20260605T082750
CREATED:20251121T005656Z
LAST-MODIFIED:20251205T033426Z
UID:10008751-1765281600-1765290600@pesa.com.au
SUMMARY:NSW Re-union Christmas Party 2025
DESCRIPTION:Geothermal rising can save Tomago without big government subsidies.\nPESA NSW and SPE NSW invite you to the 2025 Christmas Party. This will be a re-union meeting for NSW oil and gas professionals\, so come along for some laughs with old friends. \nNew technology to capture affordable geothermal energy. This talk describes a long awaited breakthrough in technology to deliver plentiful cheap geothermal energy. The obstacles for geothermal energy have been: \n\nDifficulties of using multiple fractures to reliably connect “injection and “production” wells deep under ground\nSite specific nature of traditional geothermal resources\nAffordable drilling technology\n\nAdvances in geothermal technologies from the USA are rapidly changing the economic potential\, including: \n\nAffordably capturing 300 degree heat from wells too deep to drill by using patented deep fraccing\nSimilarly affordably capturing 200 degree heat at drillable 5 km by cycling water through planar fractures; and\nUsing similar technology for underground pumped hydro storage more cheaply than batteries and surface pumped hydro with significantly less community and environmental impact\n\n 
URL:https://pesa.com.au/events/2025-pesa-nsw-christmas-party/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251126T172000
DTEND;TZID=Australia/Perth:20251126T190000
DTSTAMP:20260605T082750
CREATED:20251112T230124Z
LAST-MODIFIED:20251112T230349Z
UID:10008749-1764177600-1764183600@pesa.com.au
SUMMARY:PESA WA: Bowling Night with SPE\, PESA\, and AIG
DESCRIPTION:Please join the Perth Young Professional Engineers & Geoscientists from the Oil and Gas industry for a light-hearted night of ten-pin bowling\, in-person networking and great conversations. Come along if you’re a student\, graduate or working professional. Meeting your industry peers is a good chance to talk about your different backgrounds\, experiences\, projects\, and companies with like-minded people in a very laid back and friendly setting.   \nInclusion with the ticket: \n\n1 x Game of Bowling.\nPizza & Chips to share.\n1 x Drink Card.\n\nTime: \n\nArrival 5:20pm\nGames commence 5:40pm\nProceedings conclude 6:40pm\n\nRegistration and more details at website below: \n \nBowling Night with SPE\, PESA\, and AIG \n \n 
URL:https://pesa.com.au/events/pesa-wa-bowling-night-with-spe-pesa-and-aig/
LOCATION:Brisbane
CATEGORIES:Industry,Technical Lunch,WA
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251120T120000
DTEND;TZID=Australia/Adelaide:20251120T140000
DTSTAMP:20260605T082750
CREATED:20250823T112835Z
LAST-MODIFIED:20251017T082139Z
UID:10008724-1763640000-1763647200@pesa.com.au
SUMMARY:PESA SA/NT November Luncheon : Moomba CCS
DESCRIPTION:PESA SA/NT  November Luncheon\nMoomba CCS – delivering a world leading CO2 storage project\nAnthony Western (Santos)\n  \nAbstract:\nThe Moomba Carbon Capture and Storage project is a large-scale CCS project at the Moomba Gas Plant in the Cooper Basin\, South Australia. New facilities were constructed to capture\, dehydrate\, transport and permanently store CO2 emissions that were previously vented to atmosphere and depleted gas fields were selected as the initial storage reservoirs. Five new injection wells were drilled\, and existing wells were re-purposed as monitoring wells to enable the Monitoring and Verification (M&V) plan including environmental assurance monitoring. \nThe Moomba CCS project commenced operations in September 2024 and by June 2025 had safely captured and permanently stored more than 1.0 million tonnes of CO2 emissions. The wells and storage reservoir are performing as expected and monitoring wells are seeing signs of CO2 injection in line with reservoir model predictions. At 1.7 Mtpa CO2e\, it is one of the largest CCS projects in the world and its successful startup and early performance has enabled future CCS growth in the Cooper Basin. \nThis presentation will give an overview of the Moomba CCS project and share some of the results to date\, with a focus on subsurface scope. \n\nEvent Details:\nThursday 20th November 2025 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 17th Nov 2025 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-november-luncheon/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20251111T120000
DTEND;TZID=Australia/Sydney:20251111T143000
DTSTAMP:20260605T082750
CREATED:20251024T020943Z
LAST-MODIFIED:20251031T044508Z
UID:10008742-1762862400-1762871400@pesa.com.au
SUMMARY:2025 PESA NSW November Talk
DESCRIPTION:Australia is endowed with abundant\, high-quality energy commodity resources\, which provide reliable energy for domestic use and underpin our status as a major global energy provider. \nThese resources make a substantial contribution to the nation’s gross domestic product and export earnings. Geoscience Australia (GA) has a long history of supporting the nation’s energy sector\, delivering independent geoscientific advice and data to underpin informed decision-making regarding Australia’s energy resources across government\, industry\, and the community. \nA key piece of work than informs this function is the annual publication Australia’s Energy Commodity Resources (AECR). To set the scene\, this talk will introduce the recently published AECR2025 publication before presenting an overview of GA’s current energy program. \nUnder the Resourcing Australia’s Prosperity initiative\, GA is focusing on low carbon energy resources that will help Australia achieve net zero. The forward program includes mapping and assessing geological capacity for CO₂ storage (both onshore and offshore)\, identifying potential hydrogen storage sites\, and evaluating natural hydrogen resources. These activities draw on GA’s expertise and existing data to provide new insights and lower investment risk in new resource developments.
URL:https://pesa.com.au/events/2025-pesa-nsw-november-lunch/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251106T180000
DTEND;TZID=Australia/Perth:20251106T200000
DTSTAMP:20260605T082750
CREATED:20250818T063639Z
LAST-MODIFIED:20251022T082738Z
UID:10008719-1762452000-1762459200@pesa.com.au
SUMMARY:PESA WA November Technical Evening: Recent applications of seismic geomorphology / stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea
DESCRIPTION:Hosted with thanks to our Platinum sponsor SLB: \n  \n \nGold Sponsors IKON Science: \n \n  \nand Silver Sponsors Delft\, Qeye\, Totum Compliance\, Core Laboratories and Task Fronterra Geoscience: \n                       \n       \n\nSupported by Santos Ltd\nPESA WA invites you to our technical evening on Thursday 6th November.\nRecent applications of seismic geomorphology / stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea\nPresented by Henry Posamentier (Consultant)\n\nThis presentation will document the seismic stratigraphic and seismic geomorphologic expressions of deep-water deposits of the Bay of Bengal and the Norwegian Sea. They comprise both turbidites as well as mass transport deposits. The turbidite deposits from the Bay of Bengal include leveed channel complexes\, terminal fans\, and overbank sediment waves. With respect to terminal fans\, there are those that terminate basinward of leveed channel systems and are relatively large\, and those that are deposited late within a lowstand cycle of deposition and are confined between the levees of precursor larger channels\, and are relatively small. Intra-basinal channels (i.e.\, channels that start and end on the basin floor) are observed within abandoned meander loops as well as interchannel overbank terrains. These intra-basinal channels are characterized by low sinuosity and likely are mud-filled with no exploration potential. \nMass transport deposits from the Norwegian Sea include flows\, slumps\, and slides\, as well as isolated outrunner blocks. These deposits are associated with significant substate erosion up to 250m. The outrunner blocks are observed in clusters\, generally in radiating patterns down-system. Some of the outrunner blocks at the termini of erosional furrows are associated with sediment tails orthogonal to the direction of transport\, indicating bottom current direction from southwest to northeast. In addition\, volcanic intrusive deposits will be documented. These intrusives comprise both dikes and sills. Some of the dikes are associated with laccoliths in the shallower section. \nTicket Prices:\nMember: $35.00 \nStudent Member: $10.00 \nNon-Member: $50.00 \nStudent Member pricing ends Thursday (1 week prior) at 5pm (AWST). \n 
URL:https://pesa.com.au/events/pesa-wa-november-technical-evening-deep-water-deposits-henry-posamentier/
LOCATION:Faraday’s\, 216 St Georges Terrace\, Perth\, WA\, 6000\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/08/thumbnail_image-e1755498819381.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251103T120000
DTEND;TZID=Australia/Adelaide:20251103T140000
DTSTAMP:20260605T082750
CREATED:20250824T071425Z
LAST-MODIFIED:20251031T000424Z
UID:10008725-1762171200-1762178400@pesa.com.au
SUMMARY:PESA SA/NT November Luncheon : PESA Distinguished Lecturer
DESCRIPTION:PESA SA/NT  November Luncheon\nRecent applications of seismic geomorphology/stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea\nHenry Posamentier\n(PESA Distinguished Lecturer)\n  \nAbstract:\nThis presentation will document the seismic stratigraphic and seismic geomorphologic expressions of deep-water deposits of the Bay of Bengal and the Norwegian Sea. They comprise both turbidites as well as mass transport deposits. The turbidite deposits from the Bay of Bengal include leveed channel complexes\, terminal fans\, and overbank sediment waves. With respect to terminal fans\, there are those that terminate basinward of leveed channel systems and are relatively large\, and those that are deposited late within a lowstand cycle of deposition and are confined between the levees of precursor larger channels\, and are relatively small. Intra-basinal channels (i.e.\, channels that start and end on the basin floor) are observed within abandoned meander loops as well as interchannel overbank terrains. These intra-basinal channels are characterized by low sinuosity and likely are mud-filled with no exploration potential. \nMass transport deposits from the Norwegian Sea include flows\, slumps\, and slides\, as well as isolated outrunner blocks. These deposits are associated with significant substate erosion up to 250m. The outrunner blocks are observed in clusters\, generally in radiating patterns down-system. Some of the outrunner blocks at the termini of erosional furrows are associated with sediment tails orthogonal to the direction of transport\, indicating bottom current direction from southwest to northeast. In addition\, volcanic intrusive deposits will be documented. These intrusives comprise both dikes and sills. Some of the dikes are associated with laccoliths in the shallower section. \nThis PESA Distinguished Lecture is made possible with the generous support of Santos Ltd. \nEvent Details:\nDate: Monday 3rd November 2025 \nBookings close 5 pm Wednesday\, 29th Oct 2025 \nLuncheon: 12 pm for a 12:30 pm start . The luncheon will consist of 2 courses and drinks \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nCost: Training Course ( Seismic Geomorphology and Seismic Stratigraphy – Fundamentals and Workflows) Attendees Free\, Members $ 60\,  Non-Members $ 75\,  Students $25. \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins. \n 
URL:https://pesa.com.au/events/pesa-sa-nt-november-luncheon-pesa-distinguished-lecturer/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251016T120000
DTEND;TZID=Australia/Perth:20251016T140000
DTSTAMP:20260605T082750
CREATED:20250827T035147Z
LAST-MODIFIED:20251015T064551Z
UID:10008728-1760616000-1760623200@pesa.com.au
SUMMARY:PESA WA October Technical Lunch: Fault timing and depocentre development in the northern Perth Basin
DESCRIPTION:Hosted with thanks to our Platinum sponsor SLB: \n  \n \nGold Sponsors IKON Science: \n \n  \nand Silver Sponsors Delft\, Qeye and Task Fronterra Geoscience: \n                       \n\nPESA WA invites you to our technical luncheon on Thursday 16th October.\nFault timing and depocentre development in the northern Perth Basin\nPresented by Chris Watts (School of Earth and Planetary Sciences\, Curtin University)\n\nDespite extended periods of exploration in the Perth Basin spanning decades\, the timing of fault activity\, and shifts in depocentre development remain unclear\, especially for intra-basinal faults. Multiple phases of rifting with variable extension directions during the Paleozoic and Mesozoic resulted in a series of predominantly NNW–SSE trending graben and half-graben extending from the Southern Carnarvon Basin in the north\, through the Perth Basin in the south. Two regions of greater structural complexity are indicated by gravity and magnetic data along the margin\, one of which occurs within the northern Perth Basin and the other between sub-basins of the Southern Carnarvon Basin. Recently acquired seismic surveys that better image the pre-Mesozoic stratigraphy in the northern Perth Basin\, paired with legacy seismic and well data have allowed the investigation of fault timing and show a progressive southward shift in fault activity and depocentre location from the late Carboniferous through to the Early Cretaceous\, and that some faults\, despite having different similar orientations\, initiate at different times. Of particular importance is a change in extension direction in the late Triassic and early Jurassic that allowed the development of E-W trending faults. \nTicket Prices:\nMember (Early Bird): $69.00 \nConcession Member [Retired or Hardship]: $59.00 \nStudent Member: $10.00 \nGraduate Member: $20.00 \nNon-Member: $99.00 \nMember (Non-Early Bird): $79.00 \nEarly bird\, Concession\, Student and Graduate Member pricing ends Thursday (1 week prior) at 5pm (AWST). All ticket sales close at 5pm Tuesday (2 days prior). \n 
URL:https://pesa.com.au/events/pesa-wa-june-technical-lunch-fault-timing-and-depocentre-development-in-the-northern-perth-basin/
LOCATION:Parmelia Hilton\, 14 Mill Street\, Perth\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/08/image_Watts_2-e1756963015650.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20251014T120000
DTEND;TZID=Australia/Sydney:20251014T143000
DTSTAMP:20260605T082750
CREATED:20250918T100104Z
LAST-MODIFIED:20250919T042941Z
UID:10008735-1760443200-1760452200@pesa.com.au
SUMMARY:2025 Acreage Release in the Polda and Otway Basins\, SA
DESCRIPTION:Abstract: \nA key motivation for the South Australian 2025 acreage release is the looming shortfall in energy supply in the southeast Australian market. To facilitate the discovery and production of more gas\, the South Australian Department for Energy and Mining (SADEM) is currently offering prospective acreage in a competitive bid process in two basins (Polda and Otway) across the state.
URL:https://pesa.com.au/events/2025-acreage-release-in-the-polda-and-otway-basins-sa/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA New South Wales":MAILTO:pesa.nsw@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251002T180000
DTEND;TZID=Australia/Perth:20251002T200000
DTSTAMP:20260605T082750
CREATED:20250818T062050Z
LAST-MODIFIED:20250905T110143Z
UID:10008718-1759428000-1759435200@pesa.com.au
SUMMARY:PESA WA October Technical Evening:  Three-Dimensional Architecture of Wave-Dominated Delta Deposits
DESCRIPTION:Hosted with thanks to our Platinum sponsor SLB: \n  \n \nGold Sponsors IKON Science: \n \n  \nand Silver Sponsors Delft\, Qeye\, Totum Compliance\, Core Laboratories and Task Fronterra Geoscience: \n                       \n       \n\nPESA WA invites you to our technical evening on Thursday 2nd October.\nSupported by Santos Ltd.\nThree-Dimensional Architecture of Wave-Dominated Delta Deposits\nPresented by Brian J. Willis (Willis Geoscience)\n\nNew numerical wave-influenced delta depositional models are challenging long-held rational for interpreting sea level variations recorded by wave-dominated shallow-marine successions. Shallow-marine\, wave-dominated deposits (parasequences) are generally inferred to exhibit a decrease in wave energy and grain size with increasing water depth and to occur in facies belts that are laterally continuous for long distances along strike. Bedding geometry and vertical facies successions within these parasequences are interpreted in relation to a prograding equilibrium shoreface profile (cf. Bruun rule) and a gradual upward-coarsening facies progression (cf. Walther’s law). Sea-level fall is commonly inferred to generate a sharp-based shoreface succession\, characterized by an abrupt vertical transition from heterolithic lower shoreface to sandy upper shoreface deposits across a marine erosion surface. A truncated vertical shoreface succession\, capped by a marine erosion surface\, is inferred to record significant wave ravinement during sea level rise and transgression. \nThree-dimensional\, process-physics-based\, coupled hydrodynamic-morphodynamic wave-influenced delta models suggest that wave-dominated deltas will develop a sandy shoreface inner clinoform dipping from the subaerial delta plain to a relatively flat wave-scoured subaqueous delta top\, which is laterally separated from a muddier delta front outer clinoform that dips from the subaqueous delta top edge to the shelf floor. As these systems prograde\, deposits of these dual-clinoforms will become vertically stacked and will be separated by a regressive surface of marine erosion formed on the subaqueous delta top. Grain-size contrasts between these vertically stacked clinoform deposits reflect differences in sediment-transport directions and sorting under river- and wave-driven littoral currents along the coast\, and cannot be uniquely related to sea-level changes. Gradual vertical facies successions develop where waves are less effective at reworking river-supplied sediment alongshore. In contrast\, sharp-based shoreface deposits record more effective wave separation of sands onto the shoreface clinoform as muds are preferentially transported offshore onto the subaqueous delta clinoform. \nThe continuity of a regressive surface of marine erosion over many tens to hundreds of kilometres across mid-shelf regions of some stratigraphic sequences reflects a gradual lateral shift in the position of littoral current erosion on a subaqueous delta top. Timelines cross such vertical lithic discontinuities throughout the extent of a prograding deposit\, and the regressive surface of marine erosion thus has little chronostratigraphic significance. The model results are used to suggest: 1) Characteristic strongly asymmetric wave-dominated parasequences suggest common river avulsion at the start of transgression\, 2) Observed down-dip transitions from “gradual-based” to “sharp-based” shoreface deposits might record reduced sediment supply to the coast relative to rates of longshore drift as the system expands toward its auto-retreat limit\, rather than transitions from normal to forced regression\, and 3) Regional “top-truncated” shoreface successions might record progradation of dual-clinoform shorelines with wide deviation in net direction of regional sediment supply and shallow-water wave transport\, rather than significant regional transgressive ravinement. The results of these models suggest caution in inferring sea-level changes from the character of vertical facies changes observed in individual well logs and isolated outcrop exposures. The models suggest new facies relationships that require testing in modern systems\, outcrops\, and subsurface examples. \nTicket Prices:\nMember: $25.00 \nStudent Member: $10.00 \nNon-Member: $50.00 \nStudent Member pricing ends Thursday (1 week prior) at 5pm (AWST). \n 
URL:https://pesa.com.au/events/pesa-wa-october-technical-evening-three-dimensional-architecture-of-wave-dominated-detla-deposits/
LOCATION:The Globe\, 495/497 Wellington Street\, Perth\, Western Australia\, 6000\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/08/Graphic.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20250909T120000
DTEND;TZID=Australia/Sydney:20250909T143000
DTSTAMP:20260605T082750
CREATED:20250825T000508Z
LAST-MODIFIED:20250825T000508Z
UID:10008726-1757419200-1757428200@pesa.com.au
SUMMARY:PESA ACT/NSW September Technical Talk
DESCRIPTION:Hot Rocks and Hydrogen : the Devil’s Brew\nNE Tasmania has a thin crust and shallow Curie Point Depth\, and is a geologically distinct terrane to the rest of Tasmania. High heat flow values and slow mid-upper crust Vp values support regional and detailed magnetotelluric surveys which indicate shallow electrical conductivity anomalies similar to those observed beneath geothermal fields in NZ and elsewhere worldwide. Devil Resources has modelled existing data to define a hot zone at economically exploitable depth. Other potential zones are identified nearby. Devil is also investigating the potential for natural hydrogen west of the Tamar\, where a set of ultramafic thrusts are identified. The Devil licences are centred on Bell Bay\, where a deep water port and manufacturing zone provide a good basis for viable development. Electricity demand in Tasmania is strong and expanding.
URL:https://pesa.com.au/events/pesa-act-nsw-september-technical-talk-2025/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA NSW Secretary":MAILTO:nsw-secretary@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20250828T120000
DTEND;TZID=Australia/Adelaide:20250828T140000
DTSTAMP:20260605T082750
CREATED:20250807T083133Z
LAST-MODIFIED:20250812T094201Z
UID:10008717-1756382400-1756389600@pesa.com.au
SUMMARY:PESA SA/NT August Luncheon
DESCRIPTION:PESA SA/NT August Luncheon\nApplications of radiometric dating for energy resources and carbonate mineralisation\nDarwinaji Subarkah\n(School of Physics\, Chemistry and Earth Sciences\, University of Adelaide)\nDarwinaji Subarkah1\, 3\, Angus L. Nixon1\, Sarah E. Gilbert2\, Alan S. Collins1\, 3\, Morgan L. Blades1\, Alexander Simpson4\, Jarred C. Lloyd1\, Georgina M. Virgo1\, and Juraj Farkaš 1\, 3 \n1School of Physics\, Chemistry\, and Earth Science\, Adelaide University\, Adelaide\, SA 5005\, Australia.  \n2Adelaide Microscopy\, Adelaide\, SA 5005\, Australia. \n3MinEx CRC\, Australian Resources Research Centre\, Perth\, WA 6151\, Australia. \n4British Geological Survey\, Nottingham\, NG12 5GG\, United Kingdom \n  \nAbstract\nTiming hydrocarbon maturation and carbonate mineralisation in sedimentary basins is often hindered by the scarcity of suitable dateable minerals. In order to address these challenges\, we developed two novel in-situ laser-based methods that have the potential to quickly and accurately resolve these processes. The first method provides a tool to date clay phases in shales using Rb–Sr geochronology. We show that the Rb–Sr isotopic system in shales is sensitive to temperatures equivalent to the oil-gas window. The second technique demonstrates an approach for dating carbonate formation using U–Pb geochronology via a laser isotopic mapping approach. The laser rasters can be compiled into interactive maps\, and this spatial and geochemical information can be used target multiple generations of carbonate mineralisation. Records of natural carbonate precipitation can be used as an analogue for assessing the potential of host rocks for carbon capture and storage.\n\nEvent Details:\nThursday 28th August 2025 \nLuncheon: 12 pm for a 12:30 pm start \nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 25th August 2025 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-august-luncheon/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ayers House – Ballroom 288 North Terrace Adelaide South Australia 5000;X-APPLE-RADIUS=500;X-TITLE=288 North Terrace:geo:138.609444,-34.921667
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20250814T180000
DTEND;TZID=Australia/Perth:20250814T200000
DTSTAMP:20260605T082750
CREATED:20250714T061703Z
LAST-MODIFIED:20250814T001900Z
UID:10008707-1755194400-1755201600@pesa.com.au
SUMMARY:PESA WA August Technical Evening: Two Talks - Back water effects on Fluvial reservoirs and Neoichnology of the De Grey ephemeral river delta
DESCRIPTION:Hosted with thanks to our Platinum sponsor SLB: \n  \n \nGold Sponsors IKON Science: \n \n  \nand Silver Sponsors Delft\, Qeye\, Totum Compliance\, Core Laboratories and Task Fronterra Geoscience: \n                       \n       \n\nPESA WA invites you to our technical evening on Thursday 14th August.\nQuantifying the backwater effect on Fluvial reservoirs\nPresented by John Holbrook (Dept. of Geological Sciences\, Texas Christian University)\n\nThe backwater effect is an emerging tool for predicting reservoir volumes and heterogenicity in fluvial systems.  It scales channel-belt width\, tidal impact\, and bar development to the channel size and the distance from the coast\, two measurable parameters.  The backwater effect (i.e. adjustments in open-channel flow as a response to proximity of standing water) is used to predict down-dip changes in morphodynamics and consequent sediment distribution on fluvial systems. However\, there is currently no standardized method to obtain input parameters to estimate backwater length\, nor where to measure these variables\, for both modern and ancient settings. This study reviews existing methods for estimating backwater lengths in both settings and proposes workflows to minimize ambiguity in the results. The proposed workflows are prioritized based on practicality\, accuracy\, and smallest uncertainty ranges and allow different data types as input parameters. For the first time\, applying multiple methods to obtain backwater length estimates is tested\, both on a modern and ancient river system. In the modern case study\, the riverbed intersection with sea level matches previously documented major changes in sedimentary trends. However\, backwater lengths based on h/S (h = bankfull thalweg channel depth\, S = slope) plot downstream of this zone which is characterized by major changes\, when input parameters are derived from discharge and grain size. Therefore\, we recommend obtaining bankfull thalweg channel depth from a cross-sectional profile if backwater length is estimated based on h/S. In the ancient case study\, bankfull thalweg channel depth derived from fully preserved single-story channel fill and slope based on Shields’ empirical relation with grain size\, match changes in fluvial architectural style interpreted as a result of backwater effects. This review is a critical step forward in discussing and acknowledging the uncertainties and ambiguity in obtaining the necessary input parameters to estimate and compare modern and stratigraphic backwater lengths. The proposed workflows facilitate comparability and applicability of future backwater length estimates and subsequent interpretations of the hydrodynamic environment and resulting stratigraphic record. Potential scaling relationships between the backwater length\, sedimentary trends\, and avulsion nodes make this of key importance as the latter two also play a crucial role in devastating floods when rivers change course. \nNeoichnology of the De Grey Ephemeral River Delta\, Northwest Coast\, WA: Proxies for Environments\, Physicochemical Conditions\, and Climate in Deep Time\nPresented by Steve Hasiotis (Dept. of Geology\, The University of Kansas)\nThe neoichnology of the alluvial plain\, delta plain\, and proximal delta front settings of the dryland\, ephemeral De Grey River and its wave-dominated delta clearly show diagnostic patterns of plant and animal traces (and diversity)\, lithofacies\, soils\, groundwater profiles\, and salinities controlled by the climatic setting. The climate is hot arid (Köppen BWh)\, with annual rainfall falling between December and June of 311.5 mm (avg) but is subject to large variations because of erratic cyclones. The river typically flows only after seasonal rainfall events generated by tropical\, monsoonal cyclones or winter storms. These highly variable events are also associated with significant storm-wave reworking of the proximal delta front and lower delta plain. This research is timely because Cyclone Zelia\, strengthening to category 5 but making landfall as a category 4 at De Grey\, will provide a glimpse into how a dryland river–delta system and its physicochemical characters are impacted by major storms. \nPrior to Zelia\, alluvial plain channels are mostly devoid of water and water holes have fresh (<0.5 ppt) to lower oligohaline (< 2 ppt) salinities; mole cricket traces are abundant along the margins of these waterbodies\, with some vegetation along the margins and at various positions in the channels proper. The alluvial plain itself contains plant roots\, termite and ant nests\, goanna and smaller reptile and mammal burrows. The delta plain contains traces produced by terrestrial and marine fauna; plants and terrestrial fauna dominate overbank deposits\, whereas marine invertebrate and vertebrate fauna dominate the distributary channels\, varying from upper oligohaline (4–5 ppt) to hypersaline (50 ppt) in salinity. Supratidal areas contain mangroves and are dominated by a variety of crab\, polychaete\, and other vermiform animal burrow\, which increase in diversity to the intertidal areas and have the highest salinities. Intertidal settings are dominated by tidal processes and bedforms with a variety of crab\, clam\, gastropod\, polychaete\, and vermiform animal burrows in hypersaline conditions. \nThis research is important because trace fossils and paleosols of ancient fluvial–deltaic deposits can help distinguish between these systems deposited under drylands (ephemeral) vs. seasonal (intermittent) vs tropical (perennial) climate settings based on modern analogs. For example. most often the trace fossil-lithofacies-pedofacies associations preserved in core are very useful to improve interpretations of the degree of lateral and vertical continuity of paleoenvironments – continental vs transitional vs marine – that are used to interpret reservoir geometry and continuity. \nTicket Prices:\nMember: $35.00 \nConcession Member [Retired or Hardship]: $30.00 \nGraduate Member: $20.00 \nStudent Member: $10.00 \nNon-Member: $50.00 \nConcession\, Student and Graduate Member pricing ends Thursday (1 week prior) at 5pm (AWST). \n 
URL:https://pesa.com.au/events/pesa-wa-august-technical-evening-2025/
LOCATION:Parmelia Hilton\, 14 Mill Street\, Perth\, Australia
CATEGORIES:Industry,Technical Lunch,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/07/Image_August2025_Talk.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20250812T120000
DTEND;TZID=Australia/Sydney:20250812T143000
DTSTAMP:20260605T082750
CREATED:20250731T231549Z
LAST-MODIFIED:20250808T053853Z
UID:10008716-1755000000-1755009000@pesa.com.au
SUMMARY:PESA ACT/NSW August Technical Talk
DESCRIPTION:About the Presentation\nEncountering Aboriginal cultural heritage is something that is unavoidable in our members’ work and the impact that it has can sometimes cause unexpected outcomes. This is an issue which has been addressed by the Australian courts recently in the context of Santos’s Barossa Project. \nOn 12 August 2025\, PESA has invited Caterina Meduri\, a partner of Piper Alderman\, to give a presentation about the recent Federal Court decisions concerning the Barossa Project and some practical takeaways that can be of use to our members.
URL:https://pesa.com.au/events/pesa-act-nsw-august-2025-technical-talk/
LOCATION:Castlereagh Boutique Hotel\, 169 Castlereagh St\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:NSW / ACT,Technical Lunch,Technical Talk
ORGANIZER;CN="PESA NSW Secretary":MAILTO:nsw-secretary@pesa.com.au
GEO:-33.872562;151.2089734
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Castlereagh Boutique Hotel 169 Castlereagh St Sydney NSW 2000 Australia;X-APPLE-RADIUS=500;X-TITLE=169 Castlereagh St:geo:151.2089734,-33.872562
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20250731T120000
DTEND;TZID=Australia/Adelaide:20250731T140000
DTSTAMP:20260605T082750
CREATED:20250711T084855Z
LAST-MODIFIED:20250711T084855Z
UID:10008708-1753963200-1753970400@pesa.com.au
SUMMARY:PESA SA/NT July Luncheon
DESCRIPTION:PESA SA/NT July Luncheon\nNew Geological Studies Leading to 2025 Acreage Release in the Polda and Otway Basins\, SA\nPaul Strong and Sharon Tiainen \n(Energy Resources\, Geological Survey of SA\, Department for Energy and Mining)\nThe Polda Basin is a 10\,000 km2 Neoproterozoic to Jurassic basin covering the central western portion of the Eyre Peninsula of South Australia and extends westwards into the Great Australian Bight. The basin is only lightly explored\, with the last significant hydrocarbon exploration occurring in the offshore Polda Basin in the late 1970s/early 1980s\, with no reported hydrocarbon shows except for a relatively minor gas show of 40 ppm methane in Mercury 1. However\, source rock studies in the Jurassic section indicate the presence of immature\, relatively high TOC and excellent generative potential for both oil and gas from carbonaceous claystone and coal. Recent work by the GSSA (Tiainen\, 2025) indicates the presence of a potential source rock from the underlying Neoproterozoic Kilroo Formation\, with oil staining identified in the permeable reservoir intervals in the Polda Formation in the onshore mineral drillhole Kilroo 1A. In addition\, recent work conducted at the University of Adelaide suggests that there may be potential for a natural hydrogen accumulation within the onshore Polda Basin (Rumi Daruso 2023\, shown in Margiono et al. 2024). \nFollowing a recent acreage relinquishment\, one new Regulated Substances Exploration Licence (RSEL) in the Polda Basin is being offered as acreage release block PO2025 RSEL-A by the South Australian Government for competitive work program bidding. \nThe Otway Basin is one of the best known and most actively explored of the series of Mesozoic rift basins that span the southern coastline of Australia\, formed following rifting between the Antarctic and Australian plates. Over the last 2 years DEM has conducted studies over most of the onshore Otway Basin in South Australia\, with results suggesting that significant hydrocarbons have been generated and expelled in a number of structural troughs in the region\, and that suitable reservoir fairways and new play types are now better defined than previously. \nFollowing a recent acreage relinquishment\, five new regulated substances exploration licences (RSELs)\, three gas storage exploration licences (GSELs) and one new geothermal exploration licence (GEL) in the Otway Basin are being offered by the South Australian Government based on work program bidding. A key motivation for the acreage release is the looming shortfall in energy supply in the southeast Australian market. The South Australian onshore Otway Basin is in a strategic location for natural gas exploration and gas storage. \n  \n  \n\nEvent Details:\nThursday 31st July 2025\nLuncheon: 12 pm for a 12:30 pm start\nPlace: Ayer’s House\, 288 North Tce\, Adelaide \nThe luncheon will consist of 2 courses and drinks \nBookings close 5 pm Monday\, 28th July 2025 \nAny late bookings will incur an additional $20 fee. Strictly no walk-ins.
URL:https://pesa.com.au/events/pesa-sa-nt-july-luncheon/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:SA / NT,Technical Lunch
GEO:-34.921667;138.609444
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