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Book Chapter

Wilcox Structural Variations in Walker Ridge and Central Keathley Canyon

By
Adam M. Seitchik
Adam M. Seitchik
Devon Energy Corp 1200 Smith St. Houston, Texas 77002
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Powell Timothy
Powell Timothy
Devon Energy Corp 1200 Smith St. Houston, Texas 77002
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Sullivan Robert
Sullivan Robert
Devon Energy Corp 1200 Smith St. Houston, Texas 77002
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Stephen D. Adams
Stephen D. Adams
Newfield Exploration Co. 1401 17th Street, Suite 1000 Denver, Colorado 80202
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Published:
December 01, 2007

Abstract

Detailed study of exploration wells penetrating the Wilcox interval in the Walker Ridge and Keathley Canyon protraction areas, Gulf of Mexico, support the presence of an extensive, correlative, Wilcox depositional system. They also reveal differences in structural styles and timing of formation. While mobilization of the Jurassic autochthonous salt layer results in many deep structures, their evolution and style varies across the region. South of Green Knoll in Walker Ridge, the structural style exhibits characteristics of compression and inflation, and greatest growth is in the middle to late Miocene. This style transitions into structures along remnant polygonal salt ridges resulting from evacuation of the autochthonous salt layer into the allochthonous salt canopy during the middle to late Miocene. Farther west into Keathley Canyon, earlier salt movement, possibly generated by up-dip Oligocene extension, creates structures along remnant salt ridges associated with salt evacuation and inflation.

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Contents

GCSSEPM

The Paleogene of the Gulf of Mexico and Caribbean Basins: Processes, Events and Petroleum Systems

Lorcan Kennan
Lorcan Kennan
Houston, Texas
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James Pindell
James Pindell
Houston, Texas
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Norman C. Rosen
Norman C. Rosen
Houston, Texas
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SEPM Society for Sedimentary Geology
Volume
27
ISBN electronic:
978-0-9836096-3-6
Publication date:
December 01, 2007

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