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GULF UPDATE—Conclusion: Study updates elements, costs of Gulf of Mexico net trawling

12/10/2007
Site clearance and verification (SC&V) comprise the last stage of offshore decommissioning in which abandoned well and platform locations are cleared of all debris remaining from oil and gas activities. Net trawling uses a reinforced net assembly that is dragged along the ocean bottom to pick up debris.This final of two articles on decommissioning oil and gas platforms in the US Gulf of Mexico presents descriptive statistics based on 308 net-trawling jobs performed between 2001 and 2005, updating previous analysis covering 1997-2001.1 (The first part appears in OGJ, Dec. 3, 2007, p. 44.) We summarize costs relative to structure type and water-depth categories and discuss factors that ...
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