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Bulletin Article

The Salinas Basin is a strike-slip basin in central California with stratigraphy dominantly composed of Miocene Monterey Formation. Despite a long history of oil production, aspects of petroleum system development in the basin remain poorly understood. Of the seven main oil fields, one—San Ardo field—has produced more than 500 million bbl of oil or 99% of all oil found in the basin.
American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/images/_site/AAPG-newlogo-vertical-morepadding.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true 10.1306/11151817276 Integrating strike-slip tectonism with three-dimensional basin and petroleum system analysis of the Salinas Basin, California
The Vizcaino fore-arc basin accumulated approximately 4 km (∼13,000 ft) of upper Albian–middle Eocene siliciclastic marine sedimentary rocks derived from the Peninsular Ranges in Baja California. Data from eight exploratory wells document the micropaleontological content and lithological characteristics of these rocks.
American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/images/_site/AAPG-newlogo-vertical-morepadding.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true 10.1306/10021817349 Biochronology, paleoenvironments, and stratigraphic sequences of the late Albian–middle Eocene fore-arc Vizcaino basin, western Baja California, Mexico

Correlator Article


Richard “Rick” Behl provides a glimpse of the field trips and program included in the 2019 Pacific Section AAPG Conference.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/behl-richard.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true For the Pacific Section’s Annual Conference Fresh Approach for New Ideas

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)
Desktop /Portals/0/PackFlashItemImages/WebReady/University-of-Houston-Wins-Imperial-Barrel-Award-First-Place-Honors-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true University of Houston Wins Imperial Barrel Award First Place Honors

Explorer Emphasis


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)
Desktop /Portals/0/PackFlashItemImages/WebReady/the-next-big-leap-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true The Next Big Leap

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)
Desktop /Portals/0/PackFlashItemImages/WebReady/The-Importance-and-the-Challenge-of-Geoscience-Education-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true The Importance and the Challenge of Geoscience Education

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)
Desktop /Portals/0/PackFlashItemImages/WebReady/california-educator-named-aapg-foundation-s-2019-teacher-of-the-year-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true California Educator Named AAPG Foundation's 2019 Teacher of the Year

Explorer Historical Highlight


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)
Desktop /Portals/0/PackFlashItemImages/WebReady/Explorer-Dec2019-cover-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true The unexpected discovery of the Paleogene-Cretaceous impact crater Unlikely Impact

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)
Desktop /Portals/0/PackFlashItemImages/WebReady/Livermore-Oil-Sees-150th-Anniversary-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Livermore Oil Sees 150th Anniversary

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.

Show more American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/Making-the-Rounds-to-AAPG-Section-Meetings-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Making the Rounds to AAPG Section Meetings

Oxnard California United States 05 April, 2020 08 April, 2020 54085
Oxnard, California, United States
5-8 April 2020

Join us for the 2020 Pacific Section Meeting - April 5-8, 2020 'Producing California;s Future'. Mandalay Beach Resort, Oxnard, CA. Contact: Renee Richards, 2020 Convention Chair.

Houston Texas United States 06 June, 2020 06 June, 2020 54205
Houston, Texas, United States
6 June 2020


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Position Available

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

States in the Section