Explorer Article

One of the largest core workshops ever to focus on a single depositional environment will be offered in Cape Town.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

In general, the quality of conventional P-wave seismic data is poor when data are acquired across areas where high-velocity rocks (primarily carbonates and basalts) form the exposed, first-layer of the Earth.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Success stories may abound, but a lot of innovative thought already has been required for the complex Woodford Shale play in Oklahoma’s Arkoma Basin.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

A story to be shared: U.S. geologists may know all about the Fayetteville Shale, but the innovations that have helped bring success there are getting a global spotlight.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Out of Africa: Uganda’s Albert Basin as well as other plays in the East Africa rift valley provides a demanding setting for frontier exploration.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Indonesia's under-explored deepwater basins could breathe new production life into a declining player.

American Association of Petroleum Geologists (AAPG)
Explorer Article

A team effort: A special research consortium has been formed to better understand the geology and potential of the Bakken Shale.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

Passive-seismic technology encompasses any procedure by which seismic data are recorded without the use of an active seismic source.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

What makes the Woodford shale play work? Hundreds of wells are about to be drilled to determine if the play is a bust or the next Barnett.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

Vertical seismic profiling (VSP) began to be popular among non-Soviet scientists in the late 1970s, about the time that my previous employer, Phillips Petroleum Company, and our partners were trying to determine development strategies for newly discovered fields in the Greater Ekofisk area of the Norwegian North Sea.

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)
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)

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