Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1979-10-23
1982-02-02
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405169, F16L 104
Patent
active
043136940
ABSTRACT:
In general, the present invention provides processes and apparatus for bending and straightening or otherwise installing marine pipelines at underwater installations, and includes systems in which marine pipelines are installed at water depths to 250 feet or more, utilizing an underwater chamber which may be operated with its interior wet, dry or combinations thereof. In one form, the system provides for interconnecting wellheads or other stations with manifolds or other stations and comprises running marine pipeline generally vertically downwardly from the water surface into the work chamber, mounted in operative association with an underwater wellhead or station, wherein the pipe is bent in the desired radius and through the desired angle and then straightened to exit from the chamber and wellhead in a substantially horizontal attitude such that it may then be pulled to a manifold or other underwater station with, for example, a wire line.
REFERENCES:
patent: 1842107 (1932-01-01), Lytle
patent: 2104270 (1938-01-01), Owsley
patent: 3022822 (1962-02-01), McStravick et al.
patent: 3312282 (1967-04-01), Yetman
patent: 3394760 (1968-07-01), Childers et al.
patent: 3650114 (1972-03-01), Neal
patent: 3795115 (1974-03-01), Bergquist et al.
Addison William G.
Taylor Dennis L.
Transworld Drilling Company
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