Wells – Receptacles – With separate air chamber having openable passage
Patent
1976-10-18
1978-06-20
Shapiro, Jacob
Wells
Receptacles
With separate air chamber having openable passage
61 69R, 61110, 29464, 166 06, F16L 100, E02D 2910
Patent
active
040954374
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: 3434296 (1969-03-01), Otteman et al.
patent: 3592014 (1971-07-01), Brown
patent: 3846992 (1974-11-01), Liataud
patent: 3967462 (1976-07-01), DeJong
patent: 4023619 (1977-05-01), Marquaire et al.
Addison William G.
Shapiro Jacob
Transworld Drilling Company
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