Disposal of Offshore Platforms (1985) / Chapter Skim
Currently Skimming:
2. Description of the Problem
2. Description of the Problem
Pages 5-13
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From page 5... ...
For deep water, or for soft foundation conditions, it is often necessary to splice the piling by welding to reach the required penetration. For shallow water, the jacket is completely fabricated upright, carried to location on a cargo barge, picked up and set on bottom by a floating crane or derrick barge, and the piling then driven.
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From page 6... ...
JACKET OR I L Ll NG CONDUCTORS ~, LY 'it/ ~ MEAN SEA LEVEL ..
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From page 8... ...
Offshore platforms are subject to repeated loads that can cause fatigue damage. Fortunately, fatigue has not been a problem of any significance in the Gulf of Mexico because the normal day-to-day wave environment is very mild.
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From page 9... ...
Future platforms in very deep water and nonconventional structures may be more likely to suffer fatigue damage, though advanced analysis, design, and construction techniques will minimize the likelihood. Better assessments can be made when the detailed des igns are completed and structure response predicted.
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From page 10... ...
SOURCE: Historical data from Minerals Management Service and industry sources; forecast developed by committee based on assumptions described in the text.
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From page 11... ...
It provides a focus for national oil industry organizations In Europe, the United States, and elsewhere to seek common approaches to international authorities and nongovernment safety and environmental groups, with special emphasis on operations in the North Sea. The Forum policy statement in Appendix C is supported by a technical report ~ E&P Forum, 1984 ~ .
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From page 13... ...
Some have advocated towing obsolete platforms to deeper water for ultimate disposal under authority of federal ocean dumping regulations. The Environmental Protection Agency has granted permits for the ocean dumping of structures that have been severely damaged by storm or accident.
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