Three New Talks Announced for October

Published
American Association of Petroleum Geologists (AAPG)

AAPG Asia Pacific is excited to announce three new AAPG Asia Pacific Presents talks, featuring Agus Ramdhan, Doug Peacock, and Jean-Jacques Biteau.

AAPG Asia Pacific Presents is a collection of online talks being offered free of charge. The 60-90 minute sessions will be conducted through Zoom, and will be followed by a short Q&A period, handled by a moderator. To register for one or both of these talks, click on the link(s) below. Registrations will be accepted on a first-come basis.

Quantitative Estimation of Loading and Unloading to Total Overpressure: The Analytical Results from the Lower Kutai Basin
Thursday, 1 October 2020 • 11:00 AM (SGT)
Agus Ramdhan, Ph.D.
Agus Ramdhan, Ph.D.

Presented by Agus Ramdhan, Ph.D.
Institut Teknologi Bandung, Indonesia

We apply a modified Bowers Method to analyze the contribution of loading and unloading to total overpressure magnitude in the shelfal area of the Lower Kutai Basin. The method combines Bowers Method with density-sonic cross plots to differentiate contributors to overpressure. This method has a strong physical background, and has proven to give satisfactory overpressure estimation in the study area. Several processes related to overpressure and compaction in the study area have also been deduced: 1) top of overpressure is caused by unloading due to gas generation, 2) gas generation on its own can produce overburden-scale overpressure magnitude, 3) loading starts to contribute to overpressure at depth, where the lithology is dominated by mudrocks, 4) effective stress history experienced by mudrocks before unloading, and 5) the presence of two compaction lines and therefore two associated velocity-effective stress relations. Our analysis resolves a long debate (for more than 25 years) related to generating mechanism of overpressure in the study area.

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Agus M. Ramdhan is a lecturer at the Department of Geology, Institut Teknologi Bandung (ITB). He received a scholarship from Total E&P Indonesie (TEPI) to pursue his PhD study at Durham University, UK. He is an active member of IAGI (Indonesian Association of Geologist) and EAGE (European Association of Geoscientists and Engineers). At ITB, he teaches Geopressure, Hydrodynamics of Oil and Gas, Hydrogeology, and Computational Geology courses. He also routinely gives overpressure workshop for several petroleum-earth science-related professional associations as well as in-house training for several oil and gas companies in Indonesia. He maintains his overpressure research by actively publishing his research in scientific journals as well as by presenting it in scientific meeting. In 2016, Agus was awarded Norman Falcon Award from EAGE (European Association of Geoscientists and Engineers) for the best paper in Petroleum Geoscience Journal published in 2015.


The Impact of Low or Volatile Oil Prices on Reserves and Resources Estimates
Thursday, 8 October 2020 • 3:00 PM (SGT)
Doug Peacock
Doug Peacock

Presented by Doug Peacock
Technical Director, GaffneyCline

Oil price and cost estimates are important inputs into reserves and resources assessments. How do changes to oil price impact reserves assessments? The impact will depend on various factors such that a fall in oil price may increase, decrease or have no impact on reserves. Oil prices and forecasts are used differently within common classification systems such as PRMS and SEC.

Key definitions, such as the terms “economic”, “economic limit” and “commercial” will be explained in the context of the PRMS. Other issues such as the derivation of oil prices forecasts will also be discussed.

This presentation will outline how changes in oil price impact reserves in theory and with practical industry examples.

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Doug Peacock is a Technical Director with GaffneyCline, based in Singapore. He holds a B.Sc. in Geological Sciences from Leeds University, UK, and a M.Sc. in Petroleum Geology from Imperial College, London.

He has over 35 years’ experience in the oil industry in a variety of geoscience positions, during employment with service companies, operators and consultancies. He has been involved in integrated applications, 3-D modelling, unitisation, and reserves assessments throughout his career.

He was an SPE Distinguished Lecturer for 2010-2011 and a recent member of the SPE Oil and Gas Reserves Committee (OGRC). Doug has written many technical papers and also presented many training courses mainly on reserves assessment on behalf of the SPE.


Pressures, Seals, and Petroleum Traps
Thursday, 22 October 2020 3:00 PM (SGT)
Jean-Jacques Biteau
Jean-Jacques Biteau

Presented by Jean-Jacques Biteau
Former EAGE President 2017–19

This talk will identify key parameters controlling pressure regimes, trap sealing at the level of both the basin and the prospect, as well as areas of uncertainty. Listeners will understand and become more familiar with the current approaches and have tools regarding data collection, processing pressure data and evaluating traps and cap rocks. They will also be able to apply concepts relating to fluid dynamics and trap sealing in their approach to exploration (upstream operations and decision making). The talk will allow them to gain or improve skills in fluid geology.

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Senior Petroleum Geoscientist and Manager (exploration and asset executive), 40 years worldwide experience, numerous expatriation positions between 1977 and 2000, very largely extended and diverse geoscience knowledge on different Petroleum Basins. Numerous publications (in Petroleum Geoscience, First Break, JMPG, the Leading Edge, Mémoires du Museum d'Histoire Naturelle, Géologues (Bulletin de la SGF), Oil and Gas Journal). Co-Author of the book "Geoscience serving the Society" (2008) edited in the frame of Planet Earth 2008. Co-Author of the book: Géologie du Pétrole (Edition Dunod, 2017). Numerous participations and oral and poster presentations during AAPG (since 1995 (ICE Nice)) and EAGE (since 2004 (Annual Conference Paris) conferences. EAGE President June 2017 June 2019. President of Geoliens Alumni ENSG.


Would YOU Like to be a Featured Presents Speaker?

We are searching for willing speakers from around the world to deliver short presentations (45 minutes to one hour) on one of the discussion topics below.

Each session may include pre-determined questions or open questions via the Zoom facility, depending on the particular talk and whether a synopsis of the talk is made available ahead of time.

If you are interested and would like to be a potential speaker, please complete and submit this form to AAPG Asia Pacific Programs Manager . The Asia Pacific Region Council will review all submissions and advise successful candidates in due course.

Discussion Topics:
  • Specialist, Expert or Thematic Talks
    Talks on different aspects of petroleum geology as a science by highly knowledgeable individuals who may be distinguished in their field.
  • Heritage of the Petroleum Geologist
    Talks based on years of experience by storytellers who have practiced their profession in the industry for most of their lives.
  • Oil and Gas – Our Business
    Talks on how we go about our business to find oil and gas accumulations that are essentially commercial to enable their development and production, including adjunct disciplines.
  • Association Matters
    Talks about AAPG, its past, and where it is going; including careers, mentoring, and business talks about the association.
  • Energy Transition
    What the role is of oil and gas over the next 40 years, and how it will mitigate further emissions of carbon dioxide into the atmosphere and prevent the further driving of greenhouse effects.
  • Country Files
    Talks are envisaged on a country basis, given by experts from that country with a story to tell about their oil and gas endowment, petroleum geology, and oil and gas industry.
  • Plays and Prospects
    Talks on the specific results of exploration and disseminating news about exploration endeavours to fellow petroleum geologists.

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Are you interested in being a moderator for one of our talks? Send your details and a short CV to .

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