Method and apparatus for remote repair of subsea pipelines

Details Method and apparatus for remote repair of subsea pipelines Method and apparatus for remote repair of subsea pipelines

1990-03-12

1991-12-24

Corbin, David H.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Submerging, raising, or manipulating line of pipe or cable...

405169, 405188, F16L 126

Patent

active

050747126

ABSTRACT:
A method and apparatus for repairing leaks in subsea pipelines which comprises two split clamp halves with redundant seal means which are installed around the subsea pipeline in a programmed fashion to allow low clearances below the pipeline.

REFERENCES:
patent: 3508410 (1970-04-01), Lynch
patent: 3599436 (1971-08-01), Lochridge
patent: 4019334 (1977-04-01), Sinclair et al.
patent: 4078832 (1978-03-01), Wittman
patent: 4441328 (1984-04-01), Brister
patent: 4465310 (1984-08-01), Archer
patent: 4863314 (1989-09-01), Baugh
"Plidco Split-Sleeves", Oil & Gas Journal, Nov. 15, 1976.
"The Design and Economic Impact of Standardized Rov and Diver Interfaces on Subsea Completion Systems", OTC Paper 6044, Offshore Technology Conference, May 1989.
"Theory, History, and Results on Sealants for Subsea Service", OTC Paper 6393, Offshore Technology Conference, May 1990.

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