Video: A Coast Guard Perspective: Evaluation of Continued Service Proposals for Floating Offshore Facilities
- Tracy Phillips (United States Coast Guard) | David Martyn (United States Coast Guard)
- Document ID
- Offshore Technology Conference
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- 2016. Copyright is retained by the author. This presentation is distributed with the permission of the author. Contact the author for permission to use material from this video.
- 4.2.3 Materials and Corrosion, 6.3 Safety
- Continued Service, Service Life Extension, Coast Guard, Floating Offshore Facility
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The views expressed herein are those of the authors and are not to be construed as official or reflecting the views of the Commandant or of the U. S. Coast Guard.
As floating offshore facilities approach the end of their design service lives, operators are working with the Coast Guard and the Bureau of Safety and Environmental Enforcement (BSEE) to gain approval for continued service. The two agencies work together to review these proposals; the Coast Guard evaluates the hull and associated safety systems, while BSEE evaluates the mooring and production systems. This paper presents a Coast Guard perspective, beginning with a review of Coast Guard structural examination records for the Gulf of Mexico. The results of this review are presented and analyzed for trends. The authors accept that a well maintained facility, with a thoroughly documented service history and inspection record, is a good candidate for life extension. This paper then discusses In Service Inspection Programs (ISIP) and Structural Integrity Management (SIM) programs, both of which provide a method of ensuring that floating offshore facilities are safely operated and maintained. These programs lay the foundation for discussions regarding continued service. This paper also discusses various information that can be used by the Coast Guard to evaluate a proposal for continued service, including, but not limited to, historical data, baseline surveys, cathodic protection, coatings, corrosion, maintenance records, inspection results, fatigue data and weight changes. While the evaluations of continued service proposals are handled on a case-by-case basis, the same basic principles apply to all floating offshore facilities which are being considered for continued service.
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