Explorer Historical Highlights

Winthrop Rockefeller was the grandson of John D. Rockefeller and the fifth of six children of John D. Rockefeller Jr. The eldest Rockefeller organized and incorporated the Standard Oil Company in 1870. By the early 1880s, Standard Oil had a near-monopoly of the U.S. petroleum industry. At his retirement, Rockefeller was said to be worth $1.5 billion – the richest man in the world. He was also considered the world’s greatest philanthropist, giving more than $500 million to educational, scientific and religious institutions. Determined to learn the family’s oil business “from the ground up,” Winthrop worked at Standard Oil of New Jersey’s Bayonne refinery for a few weeks in June and July of 1933.

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American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

This study is primarily based on a 3-D seismic dataset that covers 1,107 square kilometers of the deepwater Ceará Basin. For this demonstration, the seismic cube was cropped and extends over an area of 765 square kilometers. It covers part of Premier Oil, Cepsa, Chevron and Ecopetrol exploration blocks, as well as ANP’s blocks of permanent offer. Here we present a broad overview of the seismic geomorphology of the study area aiming at delineating the turbidite channels, as the sands are deposited in the channels and can accumulate the hydrocarbons, which can be exploited for the benefits of the petroleum industry, as well as discuss a pitfall associated with the cropping of seismic data.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

'Molly Turko, even in these dark times of COVID and decreased worldwide energy demand, is at heart an optimist. “There is always a light, you just have to know where to look,” she said. And she feels that the Anadarko Basin, a place she has spent the last 10 years of her professional life, is a great place to start looking. For Turko, who has worked in multiple basins in the United States, including the Ardmore, Powder River, Appalachian, onshore Gulf Coast and Rocky Mountain basins, said the Anadarko, along with the adjacent Wichita Uplift, may hold the most attractive possibilities.

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American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

During the 1980s, early prospecting in deepwater margins was the simple extension of prolific updip producing basins that were charged. However, the migration of petroleum exploration and development into deepwater was fraught with challenges. For engineers and geologists, one of our biggest challenges was to overcome our collective lack of understanding about the geology of deepwater. We had to revisit everything we thought we knew, one paradigm shift after another.

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American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

The past few years have seen increasing interest in the application of machine learning techniques in the industry, specifically in seismic interpretation. Over a clastic Tertiary clinoform interval in the public F3-Netherland dataset, we benchmarked advanced neural network algorithms against standard probabilistic lithology classifications from seismic data, to understand their benefits and limitations, and to check which approach works best under which circumstances.

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American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Researchers generally say they are scrambling to keep up with the changing needs of the oil industry combined with the emerging, broader concerns of society. Amazingly, technology research for oil and gas continues to flourish even now, despite some recent problematic headwinds. And even though computing-related technology gets most of the attention these days, today’s energy research extends far beyond Big Data and its applications.

American Association of Petroleum Geologists (AAPG)
Explorer Article

As companies work toward developing alternative sources for a world with ever-increasing energy demands, energy minerals are moving to the forefront of the conversation. AAPG’s Energy Minerals Division finds itself in the spotlight these days for its work in prospecting alternative energy sources, such as geothermal and hydrates, for commercial use. “We’ve got good momentum right now with interest in alternative energy,” said Ursula Hammes, AAPG Member, EMD president and president at Hammes Energy and Consultants.

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American Association of Petroleum Geologists (AAPG)
Learn! Blog

Understanding the role and influence of salt in the subsurface has been the key to many hydrocarbon discoveries and appraisals and more recently carbon & hydrogen capture and storage, and geothermal interests. Now, AAPG has a new Technical Interest Group, co-founded and co-chaired by Clara Abu (Ph.D Candidate Imperial College), Rachelle Kernen Ph.D., Leonardo Muniz Pichel Ph.D., Clara Rodriguez Ph.D., and Tim Shin, MSc. Welcome to an interview with one of the co-founders, Clara Abu.

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American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

“Machine learning” has become a common phrase in geophysics. These methods, based on complex algorithms and statistics, allow geoscientists to speed up and improve their interpretations. However, as interpreters, we can feel intimidated and concerned about how much of our expertise can be replaced by machine learning algorithms. To better understand the limitations, we assess the importance of human validation and participation in one machine learning process, highlighting the upsides and downsides of a machine-derived process versus a geoscientist-guided selection of attributes. As Earth scientists, we explored a suite of seismic attributes and selected those that were meaningful for interpreting a deepwater channel system and compared our results with the attributes derived from principal component analysis.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

In the business of oil and gas exploration, it’s all about managing risk. Companies are more likely to drill where there are strong indications of hydrocarbons from field and seismic data, nearby wells and discoveries – and preferably, all of the above. So, when the federal government officially opens the doors in the near future to the Coastal Plain of the Arctic National Wildlife Refuge for commercial drilling, it could be like watching a game of poker.

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American Association of Petroleum Geologists (AAPG)
DL Abstract

Around 170 million years ago, the Gulf of Mexico basin flooded catastrophically, and the pre-existing landscape, which had been a very rugged, arid, semi-desert world, was drowned beneath an inland sea of salt water. The drowned landscape was then buried under kilometers of salt, perfectly preserving the older topography. Now, with high-quality 3D seismic data, the salt appears as a transparent layer, and the details of the drowned world can be seen in exquisite detail, providing a unique snapshot of the world on the eve of the flooding event. We can map out hills and valleys, and a system of river gullies and a large, meandering river system. These rivers in turn fed into a deep central lake, whose surface was about 750m below global sea level. This new knowledge also reveals how the Louann Salt was deposited. In contrast to published models, the salt was deposited in a deep water, hypersaline sea. We can estimate the rate of deposition, and it was very fast; we believe that the entire thickness of several kilometers of salt was laid down in a few tens of thousands of years, making it possibly the fastest sustained deposition seen so far in the geological record.

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Request a visit from Frank Peel!

American Association of Petroleum Geologists (AAPG)
VG Abstract

In comparison with the known boundary conditions that promote salt deformation and flow in sedimentary basins, the processes involved with the mobilization of clay-rich detrital sediments are far less well established. This talk will use seismic examples in different tectonic settings to document the variety of shale geometries that can be formed under brittle and ductile deformations.

Request a visit from Juan I. Soto!

American Association of Petroleum Geologists (AAPG)
DL Abstract

Three-dimensional (3D) seismic-reflection surveys provide one of the most important data types for understanding subsurface depositional systems. Quantitative analysis is commonly restricted to geophysical interpretation of elastic properties of rocks in the subsurface. Wide availability of 3D seismic-reflection data and integration provide opportunities for quantitative analysis of subsurface stratigraphic sequences. Here, we integrate traditional seismic-stratigraphic interpretation with quantitative geomorphologic analysis and numerical modeling to explore new insights into submarine-channel evolution.

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Request a visit from Jacob Covault!

American Association of Petroleum Geologists (AAPG)

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