Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1987-04-29
1988-12-06
Corbin, David H.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405171, F16L 104
Patent
active
047892692
ABSTRACT:
Subsea pipelay is accomplished by flying the pipestring underwater with the use of wings which provide sufficient lift to maintain the pipestring off bottom as it is towed.
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patent: 3531762 (1970-09-01), Tickell
patent: 4033278 (1977-07-01), Waters
patent: 4078513 (1978-03-01), Dorsch
patent: 4107802 (1978-08-01), Patinet et al.
patent: 4107933 (1978-08-01), Lamy
patent: 4326821 (1982-04-01), Stefens
patent: 4648745 (1987-03-01), Hulsbergen
Ayers Ray R.
Kopp Frans
Corbin David H.
Shell Oil Company
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