Assessment of Offshore Platforms Under Subsidence—Part I: Approach

[+] Author and Article Information
Joseph M. Gebara

Aker Engineering Inc., Houston, TX 77079

Dan Dolan

Bechtel Offshore, San Fransisco, CA 94142

Stuart Pawsey

Digital Structures, Berkeley, CA 94704

Philippe Jeanjean

BP Amoco Corporation, Houston, TX 77079

Knut Dahl-Stamnes

BP Amoco Norge AS, Stavanger, Norway

J. Offshore Mech. Arct. Eng 122(4), 260-266 (Apr 21, 2000) (7 pages) doi:10.1115/1.1313530 History: Received October 01, 1998; Revised April 21, 2000
Copyright © 2000 by ASME
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Grahic Jump Location
Valhall field—phase A
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Valhall Platform C analysis model
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Soil profile at Valhall PCP platform; average pile penetration is 43 m
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Comparison of friction profiles according to several design methods
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Comparison of tension capacity
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Main steps to a shutdown and evacuation procedure



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