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Sedimentology and Stratigraphy

Explorer Historical Highlights

Colorado’s hydrocarbon industry was built on the foundation of early explorers and field geologists venturing through rough and often dangerous terrain, surveying and mapping in a young nation at a time when geology was in its technological infancy. Without even the aid of a Brunton compass (patented 1894) early geologists, such as Ferdinand Hayden and John Powell, created the beginnings of Colorado’s geological knowledge through exceptional skill and work, upon which we continue to build today.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

In a world with discussions about Peak Oil and transition away from hydrocarbons, the Caribbean remains a bright spot for traditional oil and gas exploration. From Trinidad and Tobago’s 100-year hydrocarbon industry in the north to massive discoveries in the Guyana Suriname Basin in Northern South America, there’s good reason why companies around the world are focused on the region. Developing and maintaining the local workforce is key to continued exploration and development, and AAPG’s Latin American and Caribbean Region is committed to aiding countries in making that possible.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

We joined the Houston Geological Society shortly after arriving in Houston as new-hire geologists in 1984. We met thousands of fellow geoscientists by attending, and organizing, hundreds of technical talks for 39 years. We learned about exciting discoveries, plays and technology from those who made them happen. Along the way, we became friends with a few legends. We are grateful for the deep friendships that arose while serving as HGS volunteers. With a grateful heart, we are happy to share our committee’s plans to celebrate the centennial year.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

Over the next two years, led by the Middle East and South America, a resurgent offshore sector is poised to reach its highest level of activity in more than a decade. That’s right: the Middle East. With so much happening around the world, the energy industry will need to play catch-up to prepare for future growth.

American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

Working in arduous desert conditions and leading a team of explorers in the 1930s and ‘40s from the company that would come to be Aramco, Max Steineke put Saudi Arabia on the world petroleum map. A definitive, book-length biography of Steineke is yet to be written, but what follows outlines his career and contributions to petroleum geology and exploration during a period and in places far from the comforts, facilities and technologies enjoyed today. And yet, his exploration output from a single basin remains unparalleled, and his story offers valuable insights.

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American Association of Petroleum Geologists (AAPG)
Explorer Foundation Update

Being an AAPG Distinguished Lecturer, from the very first speaking tour in 1941, was always a prestigious achievement and a source of honor and pride for those selected as speakers. It was always recognized and praised as an important vehicle for the profession’s top geoscientists to share the latest in industry insights and advances. It always showcased geologists who truly were distinguished. What it wasn’t always, was easy.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Energy super basins grabbed the attention of the oil and gas industry during the past five years, with good reason. Now a period of re-evaluation has kicked in. Producers are looking beyond total resource potential to apply other criteria, including economic, environmental and regulatory considerations. Those yardsticks could help identify which basins will dominate energy production in the decades ahead.

American Association of Petroleum Geologists (AAPG)
Explorer Article

It’s been two years since NASA’s Perseverance rover successfully landed on Mars, where its exploration of Jezero Crater continues. Perseverance rover’s primary surface mission was designed to last one Mars year, or 687 Earth days, beginning with its Feb. 18, 2021 landing. It reached that milestone on Jan. 6. As of Jan. 7, the rover has entered its extended mission phase.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Why deepwater? In addition to expanding our knowledge on sedimentary systems that cover 70 percent of our planet, deepwater systems host promising resources and energy potential for the future. Their characteristic high-rate productivity also means fewer wells, which is good news for lower carbon emissions. Deepwater systems also benefit from the highest quality offshore 3-D and 4-D seismic. Thus, we see more clearly with ever-improving technology. Deepwater concepts and paradigms are rapidly evolving. The 2022 book “Deepwater Sedimentary Systems” sets a firm and comprehensive foundation.

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American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Human exploration of the Earth and our universe is pushing ever-expanding boundaries. Along with renewed exploration of the moon and ongoing exploration of Mars, we have also probed the outer reaches of the solar system, and beyond. Beginning in 1972, NASA has executed many successful missions to the outer solar system that have exponentially increased our knowledge of Jupiter, Saturn, Uranus, Neptune, Pluto and their myriad of intriguing moons, such as Pioneer 10 and 11, Voyager 1 and 2, Galileo, Cassini, New Horizons and Juno. These missions have also kindled questions that we did not even know to ask a few decades ago.

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American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 8 December 2011, 12:00 a.m.–12:00 a.m.

This e-symposium focuses on methods for predicting connectivity within clastic fluvial systems.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 7 June 2012, 12:00 a.m.–12:00 a.m.

Unger Field, discovered in1955, has produced 8.6 million barrels of oil from a thinly (several ft) bedded, locally cherty dolomite containing vuggy and intercrystalline porosity.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 25 August 2011, 12:00 a.m.–12:00 a.m.

This e-symposium provides highlights of the hydraulic fracturing mechanics, analysis, and design, and is derived from a two and one-half (2-1/2) day course which is designed for drilling, completion, production engineers, engineering technicians, geologists, well-site and completion supervisors, and managers, who desire to possess a comprehensive and integral knowledge of Hydraulic Fracturing.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 17 February 2011, 12:00 p.m.–1:00 p.m.

This presentation is designed for exploration/production geologists and geological managers or reservoir engineers.

American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Tuesday, 9 June 2020, 4:00 p.m.–5:00 p.m.

Visiting Geoscientist Susan Morrice shares her personal experience and insight in this talk about opportunities for geoscientists. “Geoscientists have advantages ... They are Time Travellers and have open minds. Bringing this creativity and innovation to your company or starting your own! Challenging times bring silver linings!”

American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Tuesday, 5 May 2020, 12:00 p.m.–1:00 p.m.

Sequence stratigraphy is a method for stratigraphic interpretation, pioneered by Vail and colleagues in the mid 70’s, which explains the complex geometries that sediments create as they fill accommodation in response to changes in rates of sedimentation, subsidence, uplift and eustasy. This method was developed based on observations and concepts developed as early as in the 1800’s. Based on this strong scientific foundation, pioneer work from Caster, Sloss, Wheeler, Campbell, and Asquith established the basis for the methodology. These researchers established a new way to correlate stratigraphic units, demonstrating the time-transgressive nature of lithostratigraphic formations.

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American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 9 December 2010, 12:00 a.m.–12:00 a.m.

The Mississippian-Devonian Bakken Petroleum System of the Williston Basin is characterized by low-porosity and permeability reservoirs, organic-rich source rocks, and regional hydrocarbon charge.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 30 August 2012, 12:00 a.m.–12:00 a.m.

The entire Middle Pennsylvanian–to–top Precambrian basement (500 m) interval was cored in early 2011 in the BEREXCO Wellington KGS #1-32 well in Wellington Field, Sumner County, KS.

American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Monday, 19 October 2020, 12:00 p.m.–1:30 p.m.

In this webinar, Stephen Ehrenberg will present a review of the various processes that interact to determine the wide variations in porosity found in carbonate strata containing petroleum reserves. Presentation is via Zoom on Monday 19 October at 12:00 London time.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 7 November 2013, 12:00 a.m.–12:00 a.m.

This e-symposium presentation places the interpretation of deep-water turbidites discernible in 3-D seismic inversion data within a geological context.

American Association of Petroleum Geologists (AAPG)
VG Abstract

The carbonate sequences that were deposited in the now exhumed Tethyan Ocean influence many aspects of our lives today, either by supplying the energy that warms our homes and the fuel that powers our cars or providing the stunning landscapes for both winter and summer vacations. They also represent some of the most intensely studied rock formations in the world and have provided geoscientists with a fascinating insight into the turbulent nature of 250 Million years of Earth’s history. By combining studies from the full range of geoscience disciplines this presentation will trace the development of these carbonate sequences from their initial formation on the margins of large ancient continental masses to their present day locations in and around the Greater Mediterranean and Near East region. The first order control on growth patterns and carbonate platform development by the regional plate-tectonic setting, underlying basin architecture and fluctuations in sea level will be illustrated. The organisms that contribute to sequence development will be revealed to be treasure troves of forensic information. Finally, these rock sequences will be shown to contain all the ingredients necessary to form and retain hydrocarbons and the manner in which major post-depositional tectonic events led to the formation of some of the largest hydrocarbon accumulations in the world will be demonstrated.

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Request a visit from Keith Gerdes!

American Association of Petroleum Geologists (AAPG)
DL Abstract

As oil and gas exploration and production occur in deeper basins and more complex geologic settings, accurate characterization and modeling of reservoirs to improve estimated ultimate recovery (EUR) prediction, optimize well placement and maximize recovery become paramount. Existing technologies for reservoir characterization and modeling have proven inadequate for delivering detailed 3D predictions of reservoir architecture, connectivity and rock quality at scales that impact subsurface flow patterns and reservoir performance. Because of the gap between the geophysical and geologic data available (seismic, well logs, cores) and the data needed to model rock heterogeneities at the reservoir scale, constraints from external analog systems are needed. Existing stratigraphic concepts and deposition models are mostly empirical and seldom provide quantitative constraints on fine-scale reservoir heterogeneity. Current reservoir modeling tools are challenged to accurately replicate complex, nonstationary, rock heterogeneity patterns that control connectivity, such as shale layers that serve as flow baffles and barriers.

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Request a visit from Tao Sun!

American Association of Petroleum Geologists (AAPG)

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