Explorer Geophysical Corner

This month's column is titled 'Multi-Component, Time-Lapse Seismology for Monitoring Reservoir Production Processes.'

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

The geophysical data companies have good reason to be excited about some pretty esoteric types of data already in use -- or on the cusp of acceptance -- to enhance the search for hydrocarbons.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Time-lapse, or so-called 4-D, seismic technology is proving its worth as a reservoir management tool -- not just on new fields where the technique is applied from inception, but at all stages of a field's lifecycle.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

It's mid-August in the land of the midnight sun. High above the Arctic Circle, barges laden with seismic and drilling equipment are moving northwards, navigating the myriad of channels that comprise the Mackenzie River.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

It's the latest 'energy crisis' whizzing by, leaving a near-epidemic of whiplash in its wake.

American Association of Petroleum Geologists (AAPG)
Explorer Article

AAPG's Distinguished Lecture program, which only a few years ago became a truly global effort, is ready to once again cover the planet with speakers for the 2001-2002 season.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

The handful of major international oil companies that negotiated concessions with the Angolan government in the early to mid-1990s seem like geniuses today.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Development is under way in the Gulf of Thailand on a giant gas field that's a testament to patience, compromise, perseverance and vision; two small countries and one independent oil company are set to reap the rewards of a project that started in the early 1970s.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Talk about a big story. In Denver, one giant talking about other giants drew a giant crowd. The speaker at the podium was legendary oil finder Michel T. Halbouty, a giant of the industry who's been a part of the industry for seven decades, talking about 'Giant Oil and Gas Fields of the Decade -- 1990-2000.'

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Chevron attributes its success in the Congo Basin to a breakthrough due to the use of AVO technology.

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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