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American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

The Chixchulub crater on Mexico’s Yucatan Peninsula was long believed to be the result of volcanic activity, until one young geologist with a No. 2 pencil, some drafting triangles and a calculator made an earth-shattering discovery.

American Association of Petroleum Geologists (AAPG)
Explorer President’s Column

I received my 40-year certificate from AAPG. At the bottom it reads, “In Recognition and Appreciation of your Loyalty to AAPG,” but it is I who should be thanking AAPG for allowing me to be part of this great organization. AAPG allowed me to network and make contacts with smarter people than me and to learn and expand my knowledge base. This is a great profession, and I have found a career in the geological sciences to be extremely rewarding.

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American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

When asked what they know about Livermore, Calif., most people think of the nuclear weapons laboratory with the largest lasers and computers, and some think of the oldest wine region in the state, but no one thinks of it as an oil producing region. Yet Livermore was the site of one of the earliest oil wells in California and still has a small, declining oil field just east of Lawrence Livermore National Laboratory.

American Association of Petroleum Geologists (AAPG)
Explorer Article

For the second time since 2017, the University of Houston has won the coveted Imperial Barrel Award, an annual AAPG-sponsored prospective basin evaluation competition for geoscience graduate students from universities around the world.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Oil and gas companies have spent years cleaning up and formatting their huge datasets for processing. When that cleanup work is done, the industry will be able to apply machine learning, artificial intelligence and Big Data techniques to extract information and improve operations. And maybe even make exploration discoveries.

American Association of Petroleum Geologists (AAPG)
American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Laura Branch teaches high school science courses and is one of only a few credentialed Earth science teachers in Santa Barbara County and has the only upper-level high school geology class in the county. As a geoscience instructor, Branch is able to teach her students about the petroleum system and the seepage of oil and heavy oil in the coastal area.

American Association of Petroleum Geologists (AAPG)
American Association of Petroleum Geologists (AAPG)
Explorer Foundation Update

The AAPG Foundation is proud to announce the recipient of the 2019 Teacher of the Year award, Laura Branch. Branch teaches AP environmental science, geology and general science classes at Ernest Righetti High School in Santa Maria.

American Association of Petroleum Geologists (AAPG)
Field Seminar
New York
Thursday, 11 June Sunday, 14 June 2020, 5:00 p.m.–1:00 p.m.

This field trip includes an overview of Enterprise Products Partners Houston Regional Operations at Mont Belvieu, Texas. Home of the world's largest salt dome.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Utah
Thursday, 11 June Sunday, 14 June 2020, 8:00 a.m.–8:00 p.m.

This field trip includes an overview of Enterprise Products Partners Houston Regional Operations at Mont Belvieu, Texas. Home of the world's largest salt dome.

American Association of Petroleum Geologists (AAPG)
Field Seminar
San Diego, California
Thursday, 11 June Saturday, 13 June 2020, 8:00 a.m.–5:00 p.m.

This field trip includes an overview of Enterprise Products Partners Houston Regional Operations at Mont Belvieu, Texas. Home of the world's largest salt dome.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Houston, Texas
Thursday, 11 June 2020, 8:00 a.m.–3:00 p.m.

This field trip includes an overview of Enterprise Products Partners Houston Regional Operations at Mont Belvieu, Texas. Home of the world's largest salt dome.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Houston, Texas
Saturday, 6 June 2020, 8:30 a.m.–5:00 p.m.

This all-day field trip to NASA Space Center Houston is a unique opportunity to see firsthand the history of U.S. Space exploration with Apollo 17 Astronaut Harrison Schmitt and Shuttle Astronaut Jim Reilly. Be prepared for a full day of exciting and interesting space adventures, including a morning tour of a full-scale model of the Space Shuttle atop a Boeing 747.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Houston, Texas
Saturday, 6 June 2020, 8:00 a.m.–6:00 p.m.

An excursion from the U.S. Corps. of Engineers office at Barker Reservoir to visit locations where where the manifestation of surface faults demonstrates the damage they can cause.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Houston, Texas
Saturday, 6 June 2020, 8:00 a.m.–4:00 p.m.

An excursion from the U.S. Corps. of Engineers office at Barker Reservoir to visit locations where where the manifestation of surface faults demonstrates the damage they can cause.

American Association of Petroleum Geologists (AAPG)
Field Seminar
Houston, Texas
Tuesday, 2 June Saturday, 6 June 2020, 11:00 a.m.–5:00 p.m.

A five day field trip held in conjunction with AAPG ACE 2020 in Houston, Texas, with visits to outcrops in Austin, Eagle Ford, Wolfcamp, and/or Bone Springs

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Thursday, 11 June Friday, 12 June 2020, 9:00 a.m.–5:00 p.m.

Deltas are extremely important depositional systems and often source and contain prolific hydrocarbon accumulations. This workshop includes topical lectures, key cores, and a suite of exercises that integrate core, well logs, experimental flume data, and seismic sections to develop identification and subsurface mapping skills of hydrocarbon accumulations within deltaic settings.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Thursday, 11 June Friday, 12 June 2020, 8:30 a.m.–4:30 p.m.

This two-day workshop provides a review of the application of carbonate facies, diagenesis, and seismic sequence stratigraphy to exploration and production. The workshop combines seismic, well log and rock data, to develop interpretations that help predict carbonate hydrocarbon systems, and characterize conventional and unconventional carbonate reservoirs and seals.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Sunday, 7 June 2020, 8:30 a.m.–4:30 p.m.

This course provides an overview of different 3-D printing techniques that use both rock-like materials (e.g., sand, gypsum, clay) and polymers (e.g., plastics, resins). Participants will learn how to deploy 3-D-printed models to improve technical communication to diverse audiences (e.g., students, geoscientists, engineers, managers, community stakeholders).

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Sunday, 7 June 2020, 8:00 a.m.–5:00 p.m.

The purpose of the course is to help people who are immersed in the oil and gas industry to gain a practical understanding of what unstructured data is, what value there is in it, how it can be utilized, and why this is now relevant.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June Sunday, 7 June 2020, 8:30 a.m.–4:30 p.m.

A two-day course studying advanced methods in seismic stratigraphy including application of sequence stratigraphy to unconventional resources.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June Sunday, 7 June 2020, 8:00 a.m.–5:00 p.m.

This course is designed to teach graduate students the principles, concepts and methods of sequence stratigraphy.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June 2020, 9:00 a.m.–5:00 p.m.

This is a one-day short course on the various applications of petroleum and inorganic geochemistry throughout the lifecycle of unconventional reservoir from exploration, appraisal, to development.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June 2020, 9:00 a.m.–5:00 p.m.

Any complete core analysis program should include companion thin sections for all core plugs on which measurements have been made. This course will describe the use of multimodal thin section imaging and image analysis to make quantitative estimates of rock properties that are important in hydrocarbon exploration and production.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June 2020, 9:00 a.m.–4:00 p.m.

Entry cost and CO2 supply have long been barriers to traditional Enhanced Oil Recovery (EOR) applications, but new tax regulations may break the stalemate, providing both for feasible EOR capture from a larger range of anthropogenic sources, and potential CCS options. The course will provide participants with an overview of CO2 in the framework of the energy transition. Speakers will address the regulatory and policy issues as well as societal concerns.

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American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June 2020, 8:30 a.m.–5:00 p.m.

This course is designed for geologists who interpret fine-grained rocks, explore for or develop conventional hydrocarbons, shale gas, or oil shale. Participants will practice recognizing and correlating significant stratigraphic packages through seismic stratigraphy, stacking pattern analysis of well-log, core and outcrop data, and facies analysis.

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Saturday, 6 June 2020, 8:00 a.m.–5:00 p.m.

A short course discussing the Fast Wheeler Transform (FWT) and the role that synkinematic deposition plays in the masking of onlaps, offlaps, etc., and how FWT’s solve this interpretation challenge

American Association of Petroleum Geologists (AAPG)
Short Course
Houston, Texas
Tuesday, 4 February 2020, 8:00 a.m.–4:00 p.m.

Unconventional hydrocarbon reservoirs, particularly shale-oil and shale-gas, are the future of the oil industry. It took the oil industry about 160 years, since the first oil well in the USA was drilled in 1859, to master oil production from conventional hydrocarbon reservoirs. Even with that we still face some challenges in deep water drilling, completion, and production as well as enhanced oil recovery from heavy oil carbonates, tar sands, and tight gas sands. 

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American Association of Petroleum Geologists (AAPG)
Short Course
Spring, Texas
Tuesday, 14 April Wednesday, 15 April 2020, 8:00 a.m.–5:00 p.m.

This course is designed for anyone who leads or coordinates field activities such as Field Trips, Field Seminars, Field Camps, or general field work, for companies or student groups. Participants will acquire and practice strategies to prepare for and conduct safe and effective field activities. (Although not required, previous participants have suggested that having NOLS - Wilderness First Aid or equivalent training will enhance the course experience.)

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American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 21 October 2010, 12:00 a.m.–12:00 a.m.

This e-symposium covers how to conduct an interdisciplinary evaluation of mature fields to determine the best approach to recover remaining reserves.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 20 August 2009, 12:00 a.m.–12:00 a.m.

This e-symposium covers advances in geothermal energy, integration with petroleum operations, and lessons learned in recent cases.

American Association of Petroleum Geologists (AAPG)
VG Abstract

This lecture will discuss the differences between carbonates and siliciclastics from their chemical composition through their distributions in time and space. Building on these fundamental differences, we will explore the challenges carbonates pose to petroleum geologists in terms of seismic interpretation, reservoir quality prediction, field development, etc. Peppered with humorous personal stories, still raging academic debates, and the heartfelt frustrations of real industry professionals, the aim is to inspire students and young professionals to rise to the occasion and embrace the reservoir rocks that petroleum geologists love to hate.

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Request a visit from Noelle Joy Purcell!

American Association of Petroleum Geologists (AAPG)
VG Abstract

Analysis of microseismicity induced by hydraulic fracture stimulation in the Marcellus Shale shows changes in stress state for different zones of failure. During the treatment, shear failure occurs on both the J1 and J2 fracture orientations in response to different maximum stress orientations, indicating localized changes in the orientation during the treatment. Reactivation of a fault near the wellbore is associated with failure mechanisms with a higher volumetric component, indicating possible inflation of faults and fractures by the introduction of the slurry. Quantification of the stress conditions that are associated with inflation could potentially be used to optimize the stimulation by identifying which fractures will preferentially take on slurry volume.

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Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)
VG Abstract

Hydraulic fracturing has been around for decades. This talk describes some of the first applications of the technology, how it developed over time, and our current understanding of its impacts with some discussion of both water and earthquake hazards.

Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)
VG Abstract

Microseismicity induced by hydraulic fracture stimulation of a horizontal well was mapped with a near-surface buried array. Distinct linear trends of events were not parallel to the direction of fast shear wave polarization measured in the reservoir with a crossed-dipole anisotropy tool. Analysis of core from a nearby well revealed numerous calcite-filled fractures that did not induce shear wave polarization, but did significantly impact the failure behavior of the reservoir rock during the stimulation treatment. Hydraulic fracture simulation with DFN modeling and source mechanism analysis supports the interpretation of reactivated existing fractures rather than the formation of hydraulically-induced tensile fractures.

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Request a visit from Sherilyn Williams-Stroud!

American Association of Petroleum Geologists (AAPG)
Rebecca Lanners Schempp Rebecca Lanners Schempp President (2019-2020) California Resource Corporation (661) 381-0478
Richard J. Behl Richard J. Behl Past President (2019-2020) California State University (562) 985-5850
Vaughn Grant Thompson Vaughn Grant Thompson President Elect (2019-2020) Carbon California Operating Company (661) 583-5784
Plamen Nikolov Ganev Plamen Nikolov Ganev Vice President (2019-2020) NA (661) 665-5459
Wanjiru Njuguna Wanjiru Njuguna Secretary (2019-2020) (562) 743-9108
Brandi Johnson Brandi Johnson Editor-in-Chief (2018-2020) Chevron (661) 654-7528
Simarjit Kaur Chehal Simarjit Kaur Chehal Treasurer (2019-2020) Aera Energy LLC (661) 665-5738
Lisa Ann Alpert Lisa Ann Alpert Treasurer Elect (2019-2020) Aera Energy LLC 661-665-5557
Anne C. Draucker Anne C. Draucker Advisory Counselor (2018-2021) Chevron (661) 428-0350

The House of Delegates of the AAPG is made up of delegates from affiliated societies and international regions throughout the world. They are selected by popular vote from within their respective areas and serve a three year term.

Who Is My Delegate?

NOTE: Membership in an affiliated society does not necessarily constitute membership in the AAPG and vice versa.

Learn more about affiliated societies of the AAPG

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