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DTSTART;TZID=Australia/Perth:20251218T120000
DTEND;TZID=Australia/Perth:20251218T140000
DTSTAMP:20260605T234912
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
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251211T120000
DTEND;TZID=Australia/Adelaide:20251211T143000
DTSTAMP:20260605T234912
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
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BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20251209T120000
DTEND;TZID=Australia/Sydney:20251209T143000
DTSTAMP:20260605T234912
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
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BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251209T110000
DTEND;TZID=Australia/Perth:20251209T120000
DTSTAMP:20260605T234912
CREATED:20251104T065541Z
LAST-MODIFIED:20260409T032640Z
UID:10008747-1765278000-1765281600@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: Unlocking the Digital Twin of Wellbore Geology: AI-Powered Cuttings Data (Alex Fuerst)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am | Perth\n12.30pm | Darwin\n1pm | Brisbane\n1:30pm | Adelaide\n2pm | Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \nUnlocking the Digital Twin of Wellbore Geology: AI-Powered Cuttings Data\nPresented by Alex Fuerst (Molyneux Advisors) \nAbstract \n\nThis webinar introduces the power of AI to transforms drill cuttings into comprehensive digital datasets for wellbore characterisation. By systematically digitising legacy and modern cuttings through automated washing\, high-resolution imaging\, and advanced segmentation algorithms\, Grain-e extracts quantitative data traditionally captured only through qualitative wellsite descriptions. \nUsing a variety of AI workflows to identify and measure individual grains\, providing unbiased statistical analysis of grain size\, sorting\, sphericity\, and roundness across 1\,000-5000 particles per sample. This eliminates interpreter bias and delivers data-driven insights including subtle trends no technology has picked up previously. \nKey applications span the well lifecycle: \nGeological Insights: Optical stratigraphy using digital colour analysis reveals high-resolution correlations beyond simple sand/shale distinctions\, identifying subtle depositional changes stacking patterns\, with additional insights from enhancing colour spectra or investigating trace colour occurrences. \nReservoir Characterisation: Particle size distributions optimise completion design or inform sedimentological interpretations enhancing reservoir models when integrated with wireline data. \nDrilling Safety & Geomechanics: AI-based identification of splintery cavings enables quantitative pore pressure assessment and wellbore stability evaluation. Cavings can be tied back to source formations using colour and texture signatures\, improving geomechanical predictions.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-unlocking-the-digital-twin-of-wellbore-geology/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/11/Optical-Stratiigraphy.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251204T080000
DTEND;TZID=Australia/Perth:20251204T173000
DTSTAMP:20260605T234912
CREATED:20250722T085309Z
LAST-MODIFIED:20251208T071214Z
UID:10008712-1764835200-1764869400@pesa.com.au
SUMMARY:PESA-ASEG WA: 38th Annual Golf Classic: Wanneroo Golf Club
DESCRIPTION:PESA-ASEG 38th Annual Golf Classic: Wanneroo Golf Club Tee off time: 12:20pm!!\n  \nThe PESA-ASEG Annual Golf Classic is one of the most pleasant and well-attended oil and mineral industry golf tournaments held in Perth with recent years enjoying attendances of 100+ players.\nThis years tournament will be hosted at Waneroo Golf Club\, on Thursday 4th December 2025. Located in Perth’s northern suburbs\, just a 30-minute drive from Perth City\, Wanneroo Golf Club is the epitome of a parkland course\, set in a treelined\, inland environment. The course features well-manicured tee boxes\, fairways\, and greens\, providing a pristine golfing experience. While there might be subtle elevation changes\, the fairways are generally flat\, free from the knobs\, knolls\, and unpredictable bounces typical of links courses. \nAfter the charity success from previous years\, PESA-ASEG has decided to partner again with our charity of choice\, Parkerville Children and Youth Care. The charity is a 120-year-old non-for-profit organization\, based here in WA. With 1/4 girls and 1/6 boys affected by child abuse and trauma by the age of 18\, Parkerville has a huge role within our community; to raise awareness of child abuse\, provide services for those in need and grow the network of support in providing a future for our WA children\, young people\, and families. As a proud supporter of the charity\, we will run the day to raise as many funds as possible and are inviting your company to take part in it. There will be a silent auction\, competitions\, prizes\, and raffle. \nTour the holes \nTake a tour of Wanneroo Golf Course \n  \nDress Code \nWanneroo Golf Club Dress Code \n  \nItinerary: \nTeams of 4 will play ambrose rules\, and mystery hole handicap weighting’s applied. The schedule for the day will be as follows: \nRegistration from  10am \n10:30am-11:30am:   Putting competition \n 11:15-12:10pm:         Sausage sizzle prior to start \n 12:10pm:                        Briefing from pro shop staff \n 12:20pm:                        Shotgun start with escort to appropriate holes \n 5:15pm~5:30pm        Approximate finish \n 5:45 pm:                           Drinks from bar and BBQ on the terrace \nTicket Prices: \nMember (ASEG or PESA): $170.00 \nNon-Member: $220.00 \nBook now to avoid disappointment as tickets are strictly limited. \n– Teams of 4 should be registered as 4 players by the same person.– Teams can be a named team captain plus players TBC. Please contact past-president@pesa.com.au to confirm names once these are known. \nRefund Policy: Refunds are only applicable if notified in writing to past-president@pesa.com.au prior to the close of ticket sales.\nWe kindly thank the following sponsors for supporting this event:\nFeel free to donate gifts on the day for charity auction (best to provide a business card with donation) \nCharity Hole by ASEG PESA \n  \nOn Course Drinks by WSG \n \nChipping competition by Magspec \n \nHole in one sponsor $20\,000 prize \n \nHole Sponsors: \n                       \n                \nPrizes sponsored by: \n \n  \nFor sponsorship opportunities contact Cristy (APerez69@slb.com) or Scott (scott.moore@seequent.com) \n\n \n \n 
URL:https://pesa.com.au/events/pesa-aseg-wa-38th-annual-golf-classic-wanneroo-golf-club/
LOCATION:Wanneroo Golf Club\, 44 Flyn Dr\, Neerabup\, WA\, 6031\, Australia
CATEGORIES:Social,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/07/Homepage-hero_OptimisedFINAL.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20251201
DTEND;VALUE=DATE:20251203
DTSTAMP:20260605T234912
CREATED:20250723T074137Z
LAST-MODIFIED:20251006T085345Z
UID:10008713-1764547200-1764719999@pesa.com.au
SUMMARY:Basins Workshop 2025
DESCRIPTION:Basins Workshop 2025 \n\n\nThe 2025 Basins Workshop will take place on Monday 1 and Tuesday 2 December 2025 at Curtin University\, Perth in association with PESA WA Branch.  The aim of the workshop is to provide an informal forum for the exchange of insights and ideas regarding the evolution of sedimentary basins in Australia and around the world\, and the diverse resources they contain\, including hydrocarbons\, minerals\, geothermal energy\, natural hydrogen\, and the potential for CO2 and hydrogen storage. \nTalks are limited to 10 minutes in duration\, with ample time for discussion\, so we are looking for thought provoking ideas\, rather than polished conference presentations. To participate all you need to do is to send the title of your proposed presentation to basinsworkshop2025@gmail.com by Friday 17 October 2025 – abstracts and/or written papers are not required. \nThere is no cost for registration\, but in the first instance participation is restricted to those expressing interest in making a presentation (whether or not your presentation is finally selected for inclusion in the programme).  Additional places will then be made available to co-authors and others interested in attending\, according to demand.
URL:https://pesa.com.au/events/basins-workshop-2025/
LOCATION:WA
CATEGORIES:Discussion Forum,Industry,National,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/07/Basins-Workshop-2025a.avif
ORGANIZER;CN="Basins Workshop Committee":MAILTO:basinsworkshop2025@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Brisbane:20251128T120000
DTEND;TZID=Australia/Brisbane:20251128T150000
DTSTAMP:20260605T234912
CREATED:20251026T235550Z
LAST-MODIFIED:20251117T225732Z
UID:10008743-1764331200-1764342000@pesa.com.au
SUMMARY:PESA QLD: 2025 PESA Christmas Lunch
DESCRIPTION:  \n\n\n2025 PESA Christmas Lunch\nThe 2025 PESA Christmas Lunch will be held at the Stamford Plaza Brisbane on Friday the 28th of November 2025. \nJoin your peers\, colleagues and friends for a chance to celebrate all that happened this year! \nTwo courses served over three hours\, drinks included. \n \n \n\n\n\nEvent:\n2025 Christmas Lunch\n\n\nVenue:\nStamford Plaza Brisbane – River Room\n\n\nDate & Time:\nFriday\, 28th November 2025\,  12:00 pm\n\n\n\n\nThankyou to our Sponsors\n\n\n\n\n\n\n\n\n\nEvent Sponsors\n  \nOther Sponsors \n\n\n\n \nTrivia Sponsor \n\n\n \nOil Price Guess competition \n\n \nLucky Door Prizes Sponsor \n\n\n\n\n  \nEvent Sponsorship opportunities are still available \nThis could also be you! Contact qld-treasurer@pesa.com.au and qld-president@pesa.com.au to secure your sponsorship \n\n  \nTickets for the Christmas Lunch can be purchased below\, until sold out! \n\n\n\n\nEarly Bird Ticket Price\nStandard Ticket Price\n\n\n\n\nPESA Members – $85\nNon-Members – $100\nStudent / Retired Members – $60\nPESA Members – $100\nNon-Members – $115\nStudent / Retired Members – $75\n\n\n\n\nEarly bird prices available until midnight Friday 14th November\, tickets on sale until Wednesday 26 November. \nNOTE: Sales after Friday 21 November can not guarantee dietary requirements. \n\n \n  \n\n 
URL:https://pesa.com.au/events/pesa-qld-2025-pesa-christmas-lunch/
LOCATION:Stamford Plaza Brisbane\, 39 Edward St\, Brisbane QLD\, Brisbane\, 4000\, Australia
CATEGORIES:Industry,QLD,Social,Xmas Party
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251126T172000
DTEND;TZID=Australia/Perth:20251126T190000
DTSTAMP:20260605T234912
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:WA
CATEGORIES:Industry,Technical Lunch,WA
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251125T110000
DTEND;TZID=Australia/Perth:20251125T120000
DTSTAMP:20260605T234912
CREATED:20251104T015301Z
LAST-MODIFIED:20251124T070119Z
UID:10008745-1764068400-1764072000@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: Kenmore: A Case Study for Static Modelling in a Mature Oil Field (Talline Zarzavatjian)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am | Perth\n12.30pm | Darwin\n1pm | Brisbane\n1:30pm | Adelaide\n2pm | Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \nKenmore: A Case Study for Static Modelling in a Mature Oil Field\nPresented by Talline Zarzavatjian \nAbstract \n\nThe Kenmore field\, located in the Cooper-Eromanga Basin\, has been producing oil since 1985 and is moving into late field life. At the time of the project several work-over opportunities existed in the field\, with Kenmore-43\, a previously cased and suspended but yet to be completed well\, identified as one of the best candidates to potentially improve field production. Focusing on the Jurassic Basal Birkhead and Hutton intervals\, a geological model was built to capture a range of possible static outcomes\, test each case dynamically and once matched\, forecast the potential production if Kenmore-43 were to be perforated. The modelling work was closely integrated with the simulation results and was continuously refined to obtain the best possible history match. In all cases that achieved a match\, Kenmore-43 was identified as a viable economic opportunity which followed through with a very successful workover. The project highlighted the value of integrated static and dynamic modelling and how this not only improves understanding of the field but also has wider implications for other opportunities both within Kenmore and analogous fields in the basin.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-kenmore-a-case-study-for-static-modelling-in-a-mature-oil-field-talline-zarzavatjian/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/11/Webinar-Screenshot.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251121T083000
DTEND;TZID=Australia/Adelaide:20251121T160000
DTSTAMP:20260605T234912
CREATED:20250831T124751Z
LAST-MODIFIED:20251015T072332Z
UID:10008729-1763713800-1763740800@pesa.com.au
SUMMARY:PESA (SA/NT) Core/GDE Mapping Workshop: "A fresh look at South Australia’s Warburton Basin\, Daralingie Shelf Area”
DESCRIPTION:PESA (SA/NT) Core/GDE Mapping Workshop:\nA fresh look at South Australia’s Warburton Basin\, Daralingie Shelf Area\nChris Cubitt\nSA Drill Core Reference Library\, Tonsley\n  \nNovember 21st 2025 (Friday)\n8:30am – 4pm\n\n\n\n\n\n\n\n\n\n\n\n \n  \nFollowing the success of previous core workshop\, PESA SA/NT is pleased to announce this year’s full-day core workshop at the South Australia Drill Core Reference Library in Tonsley on Friday 21st November 08.30am – 4.00pm. \nThis year’s workshop takes a quick look at a diverse set of cores from the Warburton Basin\, Daralingie Shelf area\, focusing on generating gross depositional environment (GDE) concepts and prospectivity. \nChris Cubitt will host the workshop with participants first gaining an understanding of key cores with focus on defining depositional concepts. Subsequently\, in the afternoon teams will be encouraged to start building GDE concepts to guide seismic-based GDE mapping seismic. A final discussion on prospectivity and play concepts will wrap up the day. \nThe workshop will finish around 4.00pm\, with an optional stop at the Mantra Tonsley Hotel. \nWho should attend? Exploration and development geoscientists\, sedimentologists\, petrophysicists\, engineers\, academics & geoscience students who wish to view Warburton Basin petroleum core and get exposed to the GDE mapping workflow. \nCost: $25 for PESA Members\, $35 for Non-Members\, free for students (up to five places). Includes a sandwich lunch. \nBookings close 5pm on Monday 17th November unless sold out prior. Places are limited so please book early. \nLocation: The South Australia Drill Core Reference Library is located in the heart of the newly revitalised Tonsley Precinct\, adjacent to South Road. Attendees should make their own way to the Tonsley Precinct. There is ample car parking and public transport (by road or rail). \nContact:  Alex Ross alex.ross@heathgate.com.au 0434 569 936 for more information.
URL:https://pesa.com.au/events/pesa-sa-nt-core-gde-mapping-workshop-a-fresh-look-at-south-australias-warburton-basin-daralingie-shelf-area/
LOCATION:South Australia Drill Core Reference Library\, 5 Tonsley Boulevard\, Clovelly Park\, Adelaide\, South Australia\, 5042\, Australia
CATEGORIES:SA / NT,Short Course
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2023/10/tonsley.avif
GEO:-35.0083446;138.5734484
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=South Australia Drill Core Reference Library 5 Tonsley Boulevard Clovelly Park Adelaide South Australia 5042 Australia;X-APPLE-RADIUS=500;X-TITLE=5 Tonsley Boulevard\, Clovelly Park:geo:138.5734484,-35.0083446
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251120T120000
DTEND;TZID=Australia/Adelaide:20251120T140000
DTSTAMP:20260605T234912
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/Brisbane:20251119T171500
DTEND;TZID=Australia/Brisbane:20251119T193000
DTSTAMP:20260605T234912
CREATED:20251022T213820Z
LAST-MODIFIED:20251113T064546Z
UID:10008736-1763572500-1763580600@pesa.com.au
SUMMARY:PESA QLD: Technical Evening\, November 19: Henry W. Posamentier on 'Recent applications of seismic geomorphology/stratigraphy'
DESCRIPTION:PESA Queensland welcomes 2025 PESA Distinguished Lecturer\, Henry W. Posamentier to present a technical evening presentation on Recent applications of seismic geomorphology/stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea. The technical evening will be held at the Transcontinental Hotel. \nDue to the significant crossover with our peer society ASEG (Australian Society of Exploration Geophysicists)\, ASEG members are welcomed to attend at PESA member pricing. \nSpeaker travel and accommodation has been supported by Santos Ltd. \n\n\n\nPresentation:\nRecent applications of seismic geomorphology/stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea\n\n\nVenue:\nTranscontinental Hotel\, 482 George St\, Brisbane City QLD 4000\n\n\nDate & Time:\nWednesday\, 19 November 5:15 PM for 6:00 PM Start\n\n\n\n\n  \nRecent applications of seismic geomorphology/stratigraphy: Deep-water deposits of the Bay of Bengal and the Norwegian Sea\nHenry W. Posamentier\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.   \n  \n\n  \nTickets for the Technical Evening Talk can be purchased below. \nEarly Bird ticket pricing will be available until Wednesday\, 12 November 5:30 PM – to avoid disappointment please register before this time. \n\n\n\n\nEarly Bird Ticket Price\nStandard Ticket Price\n\n\n\n\nMembers – $35\nNon-Members – $45\nStudent / Retired Members – $25\nMembers – $45\nNon-Members – $55\nStudent / Retired Members – $35\n\n\n\n\n  \nSpeaker travel and accommodation supported by Santos Ltd.
URL:https://pesa.com.au/events/pesa-qld-evening-talk-19-november-henry-w-posamentier/
LOCATION:Transcontinental Hotel\, Brisbane
CATEGORIES:Evening Event,Industry,QLD,Technical Talk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20251111T120000
DTEND;TZID=Australia/Sydney:20251111T143000
DTSTAMP:20260605T234912
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:20251111T110000
DTEND;TZID=Australia/Perth:20251111T120000
DTSTAMP:20260605T234912
CREATED:20251104T055917Z
LAST-MODIFIED:20251112T022650Z
UID:10008746-1762858800-1762862400@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: New Insights into Depositional Modelling of the Permian Kingia Sandstone in the Perth Basin Using Ichnology (Fiona Burns)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am | Perth\n12.30pm | Darwin\n1pm | Brisbane\n1:30pm | Adelaide\n2pm | Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \nNew Insights into Depositional Modelling of the Permian Kingia Sandstone in the Perth Basin Using Ichnology\nPresented by Dr Fiona Burns (Task Fronterra) \nAbstract \n\nHistorically\, sedimentological interpretations of the Kingia Sandstone in the northern Perth Basin have relied heavily upon conventional sedimentary facies analysis of a limited dataset integrating core with well-log data. This paper however provides invaluable insights into the high-resolution depositional modelling of the Kingia Sandstone using sedimentary facies analysis integrated with detailed ichnological studies. Historic cored wells have also been re-evaluated utilising an ichnological approach\, while newly released cored wells have been interpreted\, also using this integrated approach. Cores from a variety of wells including but not limited to West Erreguella-4\, South Erreguella-1\, Mountain Bridge-1\, Corybas-1\, Waitsia-1\, Waitsia-2 and Waitsia-3 have been included in this study. \nThe results allow the subdivision of the Kinga Sandstone into numerous sub-environments reflecting marginal to fully marine  sub-environments. The Kinga sandstone is interpreted to represent deposition in a wave-dominated deltaic system\, with trace-fossil assemblages key to the evaluation of stress levels (e.g. freshwater dilution) in the system. Local sharp-based shoreface packages\, abruptly overlying shelfal deposits\, are interpreted to represent forced regressive events during overall highstand progradation of the Kingia shoreface system.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-depositional-modelling-of-the-kingia-sandstone/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2021/09/online-webinar-1.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251106T180000
DTEND;TZID=Australia/Perth:20251106T200000
DTSTAMP:20260605T234912
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;VALUE=DATE:20251106
DTEND;VALUE=DATE:20251108
DTSTAMP:20260605T234912
CREATED:20250725T071239Z
LAST-MODIFIED:20251031T002706Z
UID:10008714-1762387200-1762559999@pesa.com.au
SUMMARY:PESA WA - Seismic Geomorphology and Seismic Stratigraphy: Fundamentals and Workflows
DESCRIPTION:Supported by Santos Ltd.\nPESA WA – Seismic Geomorphology and Seismic Stratigraphy: Fundamentals and Workflows\nLed by Henry W. Posamentier PhD (Consultant)\nCourse commences at 0900-0930am Thursday: Arrivals\, registration\, tea & coffee. \nObjectives \nThis course is designed to enhance interpretation skill sets with regard to geologic interpretation of seismic data. The overall objective is to present seismic interpretation methods/workflows focused on seismic stratigraphy integrated with seismic geomorphology\, aimed at reducing risk with regard to prediction of lithology\, reservoir compartmentalization\, and stratigraphic trapping potential in exploration and production. Specifically\, the participant will be shown: \n\nworkflows designed to facilitate extraction of stratigraphic insights from 3D seismic data\ntechniques for 3D seismic geomorphologic/stratigraphic analyses\nnumerous examples of various depositional systems in various depositional settings (i.e.\, fluvial\, marginal marine\, deep-water\, shallow-water carbonates)\nintegration of sequence stratigraphic concepts\ndiscussion\, with examples\, of pitfalls in interpretation\n\nContent\nThe application of seismic geomorphology and seismic stratigraphy to exploration and field development is a natural consequence of the advent of high-quality and increasingly more affordable and widespread 3D seismic data currently available. Integrating analyses of plan view (geomorphologic) and section view (stratigraphic) images can significantly enhance predictions of the spatial and temporal distribution of subsurface lithology (reservoir\, source\, and seal)\, compartmentalization\, and stratigraphic trapping capabilities\, as well as enhanced understanding of process sedimentology and sequence stratigraphy. \nParticipants in the course will be exposed to seismic geomorphologic/stratigraphic workflows\, which involve 1) initial reconnaissance through 3D volumes with various slicing techniques using a variety of different seismic attribute volumes including full stack reflection amplitudes\, near and far stacked amplitude volumes\, and coherence volumes\, as well as opacity rendering\, 2) focus on features of geologic interest and further investigate through a combination of detailed slicing\, interval attributes\, horizon picking and amplitude extraction\, horizon illumination\, etc.\, and 3) comprehensive integration of seismic geomorphologic analyses with seismic stratigraphic analyses\, whereby the plan view is integrated with the section view to ensure a consistent interpretation. 4) integration and application of sequence stratigraphic concepts to facilitate data interpretation. \nCourse lectures will involve both PowerPoint presentations as well as interactive demonstrations of the interpretation of 3D seismic data. A wide variety of depositional settings will be shown\, ranging from non-marine to marginal marine\, shelf and deep water\, and will include both clastic as well as carbonate depositional environments. Concepts as well as applications pertaining to seismic-based analyses of depositional systems will be covered in detail. \n  \nPrices: \nMembers:                     $660 \nStudents:                       $200 \nNon-Members:             $1000 \nThis course will be held at the Pan Pacific hotel (207 Adelaide Terrace\, Perth).  Morning tea\, lunch and afternoon tea will be provided as part of the course cost. \n  \n 
URL:https://pesa.com.au/events/pesa-wa-seismic-geomorphology-and-seismic-stratigraphy-fundamentals-and-workflows/
LOCATION:Pan Pacific Perth\, 207 Adelaide Terrace\,\, Perth\, wa\, 6000\, Australia
CATEGORIES:Excursion,Industry,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/07/HP_Course.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
GEO:-31.9591754;115.8683066
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Pan Pacific Perth 207 Adelaide Terrace Perth wa 6000 Australia;X-APPLE-RADIUS=500;X-TITLE=207 Adelaide Terrace\,:geo:115.8683066,-31.9591754
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251103T120000
DTEND;TZID=Australia/Adelaide:20251103T140000
DTSTAMP:20260605T234912
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/Adelaide:20251103T090000
DTEND;TZID=Australia/Adelaide:20251104T170000
DTSTAMP:20260605T234912
CREATED:20250511T082336Z
LAST-MODIFIED:20251030T112153Z
UID:10008682-1762160400-1762275600@pesa.com.au
SUMMARY:PESA SA Training Course: Seismic Geomorphology and Seismic Stratigraphy – Fundamentals and Workflows
DESCRIPTION:PESA SA Training Course\n“Seismic Geomorphology and Seismic Stratigraphy – Fundamentals and Workflows”\nHenry W. Posamentier\, PhD\nConsultant\n(PESA Distinguished Lecturer)\nThis PESA Distinguished Lecture is made possible with the generous support of Santos Ltd. \n  \nObjectives\nThis course is designed to enhance interpretation skill sets with regard to geologic interpretation of seismic data. The overall objective is to present seismic interpretation methods/workflows focused on seismic stratigraphy integrated with seismic geomorphology\, aimed at reducing risk with regard to prediction of lithology\, reservoir compartmentalization\, and stratigraphic trapping potential in exploration and production. Specifically\, the participant will be shown: \n\nworkflows designed to facilitate extraction of stratigraphic insights from 3D seismic data\ntechniques for 3D seismic geomorphologic/stratigraphic analyses\nnumerous examples of various depositional systems in various depositional settings (i.e.\, fluvial\, marginal marine\, deep-water\, shallow-water carbonates)\nintegration of sequence stratigraphic concepts\ndiscussion\, with examples\, of pitfalls in interpretation\n\nContent\nThe application of seismic geomorphology and seismic stratigraphy to exploration and field development is a natural consequence of the advent of high-quality and increasingly more affordable and widespread 3D seismic data currently available. Integrating analyses of plan view (geomorphologic) and section view (stratigraphic) images can significantly enhance predictions of the spatial and temporal distribution of subsurface lithology (reservoir\, source\, and seal)\, compartmentalization\, and stratigraphic trapping capabilities\, as well as enhanced understanding of process sedimentology and sequence stratigraphy. \nParticipants in the course will be exposed to seismic geomorphologic/stratigraphic workflows\, which involve 1) initial reconnaissance through 3D volumes with various slicing techniques using a variety of different seismic attribute volumes including full stack reflection amplitudes\, near and far stacked amplitude volumes\, and coherence volumes\, as well as opacity rendering\, 2) focus on features of geologic interest and further investigate through a combination of detailed slicing\, interval attributes\, horizon picking and amplitude extraction\, horizon illumination\, etc.\, and 3) comprehensive integration of seismic geomorphologic analyses with seismic stratigraphic analyses\, whereby the plan view is integrated with the section view to ensure a consistent interpretation. 4) integration and application of sequence stratigraphic concepts to facilitate data interpretation. \nCourse lectures will involve both PowerPoint presentations as well as interactive demonstrations of the interpretation of 3D seismic data. A wide variety of depositional settings will be shown\, ranging from non-marine to marginal marine\, shelf and deep water\, and will include both clastic as well as carbonate depositional environments. Concepts as well as applications pertaining to seismic-based analyses of depositional systems will be covered in detail. \n  \nPlease save the date:\nNov. 3rd and 4th 2025 (Monday and Tuesday)\n9am- 5pm \nAyres House Adelaide
URL:https://pesa.com.au/events/sequence-stratigraphy-or-seismic-geomorphology/
LOCATION:WA
CATEGORIES:SA / NT,Short Course
ATTACH;FMTTYPE=image/webp:https://pesa.com.au/wp-content/uploads/2025/05/Henry_SeismicStratigraphy-1078.webp
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251028T110000
DTEND;TZID=Australia/Perth:20251028T120000
DTSTAMP:20260605T234912
CREATED:20251021T010935Z
LAST-MODIFIED:20251112T021038Z
UID:10008741-1761649200-1761652800@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: 2024 Exploration Year in Review (Sue Slater)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am | Perth\n12.30pm | Darwin\n1pm | Brisbane\n1:30pm | Adelaide\n2pm | Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \n2024 Exploration Year in Review\nPresented by Sue Slater \nAbstract \n\nPetroleum exploration expenditure increased both offshore and onshore compared to 2023 numbers\, however this does not equate to a commensurate increase in activity. Onshore jurisdictions dominate the exploration and appraisal activities. In total 82 exploration and appraisal wells were drilled in 2024 (spud date after 31 December 2023). Sixty of these were appraisal wells\, and this was dominated by coal seam gas appraisal drilling in Queensland. Despite the release of the Australian Government’s Future Gas Strategy\, there does not appear to be much in the way of tangible actions to increase exploration. All jurisdictions make land available for exploration via competitive tender\, but in 2024 there were no land releases. Seismic activity in offshore jurisdictions is being limited with new Commonwealth awards being granted without the right to acquire new seismic. Carbon sequestration (CCS) activity continued offshore with the grant of eight of the 2023 land release areas occurring in 2024. While Western Australia\, South Australia and the Northern Territory are taking steps to create the framework for CCS exploration\, in Queensland a sudden announcement saw the cessation of all CCS activity in the Great Artesian Basin\, and importantly also the underlying strata. This ban applies to the use of CO2 in enhanced oil recovery as well. South Australia continues to take lead in natural hydrogen exploration.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-2024-exploration-year-in-review/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2021/09/online-webinar-1.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20251021
DTEND;VALUE=DATE:20251024
DTSTAMP:20260605T234912
CREATED:20250527T094809Z
LAST-MODIFIED:20250528T040606Z
UID:10008696-1761004800-1761263999@pesa.com.au
SUMMARY:2025 Australian Natural Hydrogen Conference -Adelaide Hills- PESA discount applies
DESCRIPTION:Hundreds of millions of dollars have been committed worldwide to the hunt for natural hydrogen. \nMany more countries and companies are trying to commercialise one of the most abundant and cost-effective forms of hydrogen as the world continues the drive to carbon zero. \nSince the inaugural Natural Hydrogen Association of Australia conference in 2024\, the game has changed. Where are the new natural hydrogen targets; who are the prime movers; what have we learnt from the latest drilling programs; and how have the technical approaches to exploration morphed? \nThis is a fantastic opportunity for interested parties to learn how much closer we are to having at our fingertips a new tool in the carbon zero war. \nThe conference will span 3 days and\, depending on demand\, there could be events on another 2 days. \nThe official conference will begin on Tuesday October 21 with an add-on afternoon workshop on specific technical topics (agenda to be confirmed) and an evening icebreaker session. The official conference is on the Wednesday and Thursday (Oct 22-23)\, with a informal event on the Wednesday evening. \nAs well\, if there is enough demand\, organisers are considering a wine tour of some of the world-renowned wineries of the region on the Monday (Oct 20) and a field trip on Friday (Oct 24). As South Australia is one of the hotbeds of natural hydrogen exploration in this country\, that would be either a core store visit or a trip to one of the sites where natural hydrogen has been identified. \n  \nPESA Member Discounts\nWe welcome interested PESA members to our conference and are offering 10% off the registration pricing. Tickets on sale here: 2025 ANHC. \nYou must be logged in to the PESA website to view the instructions on how to get your discount. \n 
URL:https://pesa.com.au/events/2025-australian-natural-hydrogen-conference/
LOCATION:Adelaide Hills Convention Centre\, 145A Mount Barker Rd\,\, Hahndorf\, SA\, 5245\, Australia
CATEGORIES:Industry,National,SA / NT
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/05/NH2A_col.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20251020
DTEND;VALUE=DATE:20251026
DTSTAMP:20260605T234912
CREATED:20250903T051750Z
LAST-MODIFIED:20250903T051750Z
UID:10008730-1760918400-1761436799@pesa.com.au
SUMMARY:Field Geology Club Excursion: Yorke peninsula
DESCRIPTION:We invite you to the Field Geology Club-Hosted Event \nHarlequin Stone and the ancient rocks of northern Yorke peninsula: their geological setting\, origin\, and alteration \n6-day Excursion \n            Speaker/ Leader: Dr. Colin Conor with Marg Beal and Mandy Bluett \nPlease note that this event has been organized externally – please reach out to the Field Geology Club for more information: \n contact@fieldgeologyclubsa.org.au or via their website http://fieldgeologyclubsa.org.au. \nDate: 20th- 25th Oct 2025
URL:https://pesa.com.au/events/field-geology-club-excursion-yorke-peninsula/
LOCATION:WA
CATEGORIES:Excursion,SA / NT
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20251020
DTEND;VALUE=DATE:20251026
DTSTAMP:20260605T234912
CREATED:20250521T084822Z
LAST-MODIFIED:20250521T084822Z
UID:10008692-1760918400-1761436799@pesa.com.au
SUMMARY:Field Geology Club- Excursion: Harlequin Stone and the ancient rocks of northern Yorke peninsula
DESCRIPTION:We invite you to the Field Geology Club-Hosted Event: \nHarlequin Stone and the ancient rocks of northern Yorke peninsula: their geological setting\, origin\, and alteration \nExcursion Leaders: Dr. Colin Conor with Marg Beal and Mandy Bluett \nPlease note that this event has been organized externally – please reach out to the Field Geology Club for more information: \ncontact@fieldgeologyclubsa.org.au or via their website http://fieldgeologyclubsa.org.au. \nDate: 20th-25th October 2025 \n  \n 
URL:https://pesa.com.au/events/field-geology-club-excursion-harlequin-stone-and-the-ancient-rocks-of-northern-yorke-peninsula/
LOCATION:WA
CATEGORIES:Excursion,SA / NT
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251016T120000
DTEND;TZID=Australia/Perth:20251016T140000
DTSTAMP:20260605T234912
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:20260605T234912
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:20251014T110000
DTEND;TZID=Australia/Perth:20251014T120000
DTSTAMP:20260605T234912
CREATED:20251003T061201Z
LAST-MODIFIED:20251003T061719Z
UID:10008737-1760439600-1760443200@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: Subsurface Focused Fluid Flows (Tayallen Velayatham)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am | Perth\n12.30pm | Darwin\n1pm | Brisbane\n1:30pm | Adelaide\n2pm | Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \nSubsurface Focused Fluid Flows\nPresented by Dr Tayallen Velayatham  \nAbstract \n\nSubsurface focused fluid flows are occurrences whereby fluids migrate from deeper to shallower depths through a focusing mechanism\, such as overpressure venting or flow driven by buoyancy drive travelling via permeable migration pathways. Evidence of these phenomena primarily manifest on seismic data as fluid pipes/gas chimneys and pockmarks on surfaces. This presentation will review research completed on this topic and demonstrate how studying these occurrences can provide insight into subsurface fluid dynamics and contribute to better assessing petroleum systems elements.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-subsurface-focused-fluid-flows-tayallen-velayatham/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2021/09/online-webinar-1.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251003T090000
DTEND;TZID=Australia/Perth:20251003T160000
DTSTAMP:20260605T234912
CREATED:20250818T070847Z
LAST-MODIFIED:20251003T001413Z
UID:10008722-1759482000-1759507200@pesa.com.au
SUMMARY:PESA WA - The Mungaroo - Brigadier Depositional System\, Northwest Shelf Australia: A Fluvial-Deltaic Reservoir Core Workshop
DESCRIPTION:Supported by Santos Ltd.\nPESA WA \n3rd October 2025\, 9:00 – 1600 Carlisle Core Library\nThe Mungaroo – Brigadier Depositional System\, Northwest Shelf Australia: A Fluvial-Deltaic Reservoir Core Workshop\nThe Late Triassic Mungaroo and Brigadier Formations in the offshore Northern Carnarvon Basin\, NWS\, Australia\, are the deposits of enormous very low-gradient rivers that fed an intracratonic basin. In such a very low gradient setting\, the rivers expand across a broad distributive deltaic plain\, as sediments spill out of channels into vast interdistributary bays. River distributaries reaching the coast deposit thin\, asymmetrical wave-reworked delta sands. Avulsion of rivers laterally over hundreds of kilometres shifts the locus of deposition\, allowing weak waves and tides time to rework sediments at bay mouths into shoreface sands with tidal inlets. Sea level variations can cause shorelines to shift long distances across these low-gradient alluvial-deltaic plains. \nStandard facies models for fluvial-deltaic systems\, which generally focus on higher gradient settings\, do not provide a suitable template for predicting subsurface facies variations within the Mungaroo and Brigadier deposits. In higher gradient settings\, a river crosses thin delta top deposits to feed a thick\, basinward-thickening deltaic wedge\, with the bulk of river-sourced sediments spread down steep deltaic clinoforms offshore. In very low-gradient settings\, a river loses the competency to carry its sediment load to the coast\, and the bulk of the sediment is extracted on the deltaic plains. Deposits in the expanding network of channels\, on floodplain splays and brackish bay deltas\, and within thin shoreline successions define a unique facies mosaic. \nIn this workshop\, participants can observe the low-gradient fluvial-deltaic facies of the Mungaroo and Brigadier systems in core from the Northwest Shelf of Australia. Brief presentations will introduce conceptual models\, set the stage\, and provide a seismic-scale view of this system. Deposits of the major river in more proximal areas of the system are studied in core from Clio and Saty fields. Lower delta plain and river-dominated bay delta deposits are examined in core from Chandon field. Wave-reworked shoreline deposits will be visible in core from Wheatstone field. Together\, these cores provide a sampling of the facies mosaic deposited by these low-gradient systems. By the end of the workshop\, participants will have gained a better understanding of facies models for low-gradient fluvial-deltaic systems. Mungaroo and Brigadier deposits host world-class hydrocarbon reserves\, which require advanced facies predictions to support subsurface modelling and development predictions. Low-gradient fluvial-deltaic facies are essential components of most shallow marine clastic wedges\, particularly during the early highstand when deltaic systems prograde on top of transgressive shelf deposits. The workshop offers participants a broader perspective on fluvial-deltaic facies models\, extending beyond the standard textbook examples. \n  \nSchedule \n9:00 ─ Safety & Introductions \n9:20 ─ Topic #1: Fluvial deposit architecture defined by process models and concepts (Willis: 20 min) \n9:40 ─ Topic #2: Mungaroo-Brigadier System (Lang: 20 min) \n10:00 ─ Topic #3: Mungaroo fluvial hierarchy and down-basin variations (Payenberg: 20 min) \n10:30 ─ Tea break \n10:45 ─ Start Core #1: Mungaroo fluvial (Clio 2 and Satyr 3) \n11:45 ─ Discussion (core review) \n12:00 ─ Lunch \n12:45 ─ Short topic #1 (20 min plus Q&A) High- vs low-slope systems & asymmetric deltas \n13:10 ─ Start core #2: Chandon 2 (Mungaroo lower delta plain and delta front) \n14:00 ─ 14:15 ─ Tea break \n14:30 ─ Start core #3: Wheatstone 2 BCH1ST1 (Brigadier asymmetric wave-influenced delta) \n15:30 ─ Wrap-up discussion \n15:45 ─ Finish \n16:00 ─ Core store closes \nOrganisers: Dr. Brian Willis (Consultant) Dr. Tobi Payenberg (Chevron) & Prof. Simon Lang (UWA) \nHard limit of 30 attendees.  \n  \nCost:  \nPESA Members:  $250 \nPESA Student Members $100 \n  \nThis event is for PESA WA members only. This is for insurance purposes. Please do not book on behalf of non-members. Please do not attend if you do not have a ticket. \nIf there are any questions\, please don’t hesitate to contact:  wa-secretary@pesa.com.au
URL:https://pesa.com.au/events/pesa-wa-the-mungaroo-brigadier-depositional-system-northwest-shelf-australia-a-fluvial-deltaic-reservoir-core-workshop/
LOCATION:Carlisle core library\, 37 Harris Street\, Carlisle\, WA\, 6101\, Australia
CATEGORIES:Discussion Forum,Industry,WA
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2025/08/SplashPhoto2.avif
ORGANIZER;CN="PESA Western Australia":MAILTO:wa-secretary@pesa.com.au
GEO:-31.9829615;115.9271201
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Carlisle core library 37 Harris Street Carlisle WA 6101 Australia;X-APPLE-RADIUS=500;X-TITLE=37 Harris Street:geo:115.9271201,-31.9829615
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20251002T190000
DTEND;TZID=Australia/Adelaide:20251002T203000
DTSTAMP:20260605T234912
CREATED:20250521T085005Z
LAST-MODIFIED:20250521T085005Z
UID:10008691-1759431600-1759437000@pesa.com.au
SUMMARY:Field Geology Club Meeting: Sunset Crater\, volcano national monument
DESCRIPTION:We invite you to the Field Geology Club-Hosted Event: \nSunset Crater\, volcano national monument \nSpeaker :Paul Curnow \nPlease note that this event has been organized externally – please reach out to the Field Geology Club for more information: \ncontact@fieldgeologyclubsa.org.au or via their website http://fieldgeologyclubsa.org.au. \nDate: 2nd October 2025
URL:https://pesa.com.au/events/field-geology-club-meeting-sunset-crater-volcano-national-monument/
LOCATION:WA
CATEGORIES:SA / NT,Technical Talk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Perth:20251002T180000
DTEND;TZID=Australia/Perth:20251002T200000
DTSTAMP:20260605T234912
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/Perth:20250930T110000
DTEND;TZID=Australia/Perth:20250930T120000
DTSTAMP:20260605T234912
CREATED:20250915T053707Z
LAST-MODIFIED:20250930T062404Z
UID:10008734-1759230000-1759233600@pesa.com.au
SUMMARY:2025 PESA WEBINAR SERIES: Burial Diagenesis and the Case of the Giant Perla Field in the Gulf of Venezuela Basin (Fernando Valencia Fermin)
DESCRIPTION:Kindly supported by Rock Flow dynamics  \n  \nThis live webinar will take place at: \n11am              – Perth\n12.30pm       – Darwin\, Adelaide\n1pm                – Brisbane\, Canberra\, Hobart\, Melbourne\, Sydney \nUse the calendar link on this page to add this event in to your own calendar at the correct local time for your location. \nTickets are free for members (please log in to see this) and $10 for non members. \nPlease buy your tickets and immediately follow the link in the ticket e-mail (not the calendar invite or this webpage\, which is just generic and not event specific) to set up your registration with the webinar software well in advance of the time of the talk. Once registered with the webinar software you will receive a reminder e-mail 1 hour beforehand. \nBurial diagenesis and the case of the giant Perla field in the Gulf of Venezuela Basin\nPresented by Dr Fernando Valencia Fermin  \nAbstract \n\nDiagenesis comprise all the physical\, chemical\, and biological modifications underwent by a sediment\, after its initial deposition\, during and after lithification but before reaching pressures and temperatures proper of metamorphism. Burial diagenesis\, in particular\, refers to the diagenetic modifications occurred due to the influence of burial processes in the mesogenetic environment. The study of diagenesis is important in both siliciclastic and carbonate reservoirs; however\, they are key in the latter since they are more chemically reactive. The Perla Limestone\, an Oligo-Miocene carbonate reservoir located in the Gulf of Venezuela Basin\, considered the largest gas field in Latin America (>17 Tscf of gas in place)\, shows a complex porosity system marked by a strong diagenetic control. Despite comprehensive depositional facies modelling carried out in this reservoir\, inconsistencies remained when distributing petrophysical properties with depositional facies. Specifically\, in areas strongly affected by diagenetic processes since they constitute a complex variable to reproduce in a predictive reservoir quality-model. In order to understand the impact of diagenesis in the Perla Limestone\, and its distribution along the carbonate succession; a detailed petrographic\, mineralogical and chemical analysis on well-cores was performed. As a result\, several diagenetic processes that created and destroyed porosity and permeability were identified and grouped chronologically in function of the evolution of the diagenetic environment. Within these processes\, an important burial dissolution process\, likely linked to the ascent of CO2-rich fluids mediated by basement-root faults\, fractures\, and stylolites allowed the development of pervasive secondary porosity in the vicinity of the major discontinuity surfaces. On the other hand\, blocky-calcite cementation in the near surface to shallow burial environment\, and the progressive mechanical compaction in the burial realm\, were the main responsible for reservoir quality destruction.
URL:https://pesa.com.au/events/2025-pesa-webinar-series-burial-diagenesis-and-the-case-of-the-giant-perla-field-in-the-gulf-of-venezuela-basin-fernando-valencia-fermin/
LOCATION:WA
CATEGORIES:Online
ATTACH;FMTTYPE=image/avif:https://pesa.com.au/wp-content/uploads/2021/09/online-webinar-1.avif
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20250929T173000
DTEND;TZID=Australia/Adelaide:20250929T193000
DTSTAMP:20260605T234912
CREATED:20250908T005819Z
LAST-MODIFIED:20250924T033040Z
UID:10008733-1759167000-1759174200@pesa.com.au
SUMMARY:PESA SA/NT Evening Technical Talk: Three-Dimensional Architecture of Wave-Dominated Delta Deposits
DESCRIPTION:PESA SA : Evening Technical Talk\nThree-Dimensional Architecture of Wave-Dominated Delta Deposits\nBrian Willis1\, Tao Sun2 and Bruce Ainsworth3\n  \n1. Presenter\, Willis Geoscience\, Consultant\, Longmont\, CO\, USA; 2. Chevron Technology Center\, Research Fellow\, Houston\, TX\, USA; 3. Adjunct Professor\, University of Adelaide\, Australia. \nSep. 29th 2025\n  \nJoin PESA SA/NT for an Exclusive Distinguished Lecturer Event Featuring Brian Willis \nPESA SA/NT is proud to host Brian Willis\, renowned fluvial sedimentologist and stratigrapher with decades of experience at Chevron and BP\, as part of our Distinguished Lecturer Tour. This PESA Distinguished Lecture is made possible with the generous support of Santos Ltd. \nOverview:\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. \n  \n  \nTimings for the event: \n5:30 to 6:00 – pre-talk drinks and canapes\n6:00 to 7:00 – evening talk and Q&A\n7:00 to 7:30 – post-talk drinks in the bar \nPESA SA/NT will provide a selection of canapes. Beer\, wine and soft drinks are available and can be purchased from the bar.  \nTicket prices: Students Free\, Members $30\, Non-Members $40\, Fluvial Stratigraphy Workshop attendees Free \nPlease note that ticket sales will close on Thursday September 25th at 5:00 PM. \n  \n 
URL:https://pesa.com.au/events/pesa-sa-nt-evening-technical-talk-three-dimensional-architecture-of-wave-dominated-delta-deposits/
LOCATION:Ayers House – Ballroom\, 288 North Terrace\, Adelaide\, South Australia\, 5000
CATEGORIES:Evening Event,SA / NT,Technical Talk
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