Explorer Emphasis Article

Working for a living, big time: Geophysical crews all over the world are keeping real busy these days.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

The need to understand deepwater gas hydrate systems is increasing. This article answers: The use of hydrate as an energy resource; The role of hydrate in seafloor stability; Hydrate linkage to shallow-water flow; The nature of hydrate system architecture.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Eduardo Berendson, Valary Schulz, and Rebecca Dodge share their experience and expertise as part of AAPG's Visting Geoscientist Program, a program that brings professional geoscientists together with students from throughout the United States, Canada and 30 other countries.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

Numerous oil and gas accumulations are beneath rock layers that effectively hide a reservoir by causing downgoing seismic raypaths to bend away from the geology that confines the hydrocarbons.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Basin modeling traditionally has been used in oil and gas exploration to estimate source rock maturity and to determine charge -- but in recent years, the range of basin modeling applications has expanded.

American Association of Petroleum Geologists (AAPG)
Explorer Article

AAPG’s Distinguished Lecture program gets off to an early start this year with three international tours scheduled to take place in August.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

Geophysicists define gas reservoirs as Class 1, 2, 3 or 4, depending on their P-P amplitude-versus-angle (AVA) response.

American Association of Petroleum Geologists (AAPG)
Explorer Division Column DEG

Spring has been a busy time for DEG with the AAPG Annual Convention in Long Beach, Calif., and the Southwest Section meeting in Wichita Falls, Texas.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

After years of successful exploration with 2-D seismic coverage, low-fold 3-D seismic programs are helping to cut costs in the search for overlooked gas traps in some areas in Montana.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Cattle actually have been known to chew up any unburied or exposed cable left on the ground. It’s a real and serious problem for the seismic acquisition sector.

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)
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)

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