Method of laying offshore pipeline from a reel carrying vessel

Details Method of laying offshore pipeline from a reel carrying vessel Method of laying offshore pipeline from a reel carrying vessel

1979-08-08

1981-10-27

Taylor, Dennis L.

Hydraulic and earth engineering

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

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

405154, B63B 3504, F16L 100

Patent

active

042970547

ABSTRACT:
Disclosed are methods and techniques related to the control of pipelaying operations from a self-propelled reel pipelaying vessel. The methods are concerned with (1) controlling pipeline geometry as a function of pipe entry angle into the water and tension on the pipeline; (2) monitoring the excursion of the pipeline outside certain defined limits and controlling the pipeline geometry based on such measured excursions; and (3) compensating for pipeline induced turning moments which would otherwise tend to draw the pipelaying vessel off course and off the predetermined pipeline right of way.

REFERENCES:
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patent: 3372461 (1968-03-01), Tesson
patent: 3581506 (1971-06-01), Howard
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patent: 3722775 (1973-03-01), Sarracino et al.
patent: 3765185 (1973-10-01), Peck et al.
patent: 3835707 (1974-09-01), Rosa et al.
patent: 3982402 (1976-09-01), Lang et al.
patent: 4037189 (1977-07-01), Bell et al.

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