Offshore well head protector and method of installation

Details Offshore well head protector and method of installation Offshore well head protector and method of installation

1983-09-14

1985-05-28

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

166335, 405211, 405227, E02B 1702, E21B 33037

Patent

active

045197270

ABSTRACT:
A well head protector for a well which is located at the floor of an offshore body of water. The protector includes a plurality of discrete sub-assemblies which, for installation purposes, are initially transported to a drilling vessel and positioned above the well head. The sub-assemblies are sequentially lowered from the vessel deck and assembled above the water surface into a composite unit. The completed unit is guidably lowered by the vessel's drilling derrick to its position surrounding the well head. The deflecting elements are then lowered into place.

REFERENCES:
patent: 3910056 (1975-10-01), Dopyera
patent: 4007598 (1977-02-01), Tax
patent: 4155672 (1979-05-01), Franks
patent: 4273472 (1981-06-01), Piazza et al.

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