Subsea wellhead landing clamp and slip bowl assembly

Details Subsea wellhead landing clamp and slip bowl assembly Subsea wellhead landing clamp and slip bowl assembly

2005-11-08

2005-11-08

Gay, Jennifer H (Department: 3672)

Wells

Submerged well

Wellhead

C166S382000, C166S077520, C166S342000, C166S241600, C166S379000, C166S075130, C166S085100, C175S423000

Reexamination Certificate

active

06962205

ABSTRACT:
A clamp for supporting a subsea wellhead and attached casing string preparatory to installing same in a well, and slip bowl assembly for running a drill pipe cementing string inside the casing string. The clamp comprises two hinged together clamp halves with a connector to permit the clamp to be locked about a subsea wellhead. Half-circle cutouts in each clamp half form a clamp bore when the clamp is closed. The clamp bore has a grooved profile to mate with a grooved profile on the exterior of the subsea wellhead. When the subsea wellhead is clamped in place, with the clamp resting on the rig floor, a slip bowl assembly having a grooved base plate is placed atop the clamp.

REFERENCES:
patent: 1899273 (1933-02-01), Hinderliter
patent: 3260270 (1966-07-01), Watkins et al.
patent: 3625282 (1971-12-01), Bridges et al.
patent: 4209066 (1980-06-01), Watson
patent: 4428433 (1984-01-01), Watkins
patent: 5031695 (1991-07-01), Cain et al.
patent: 5318385 (1994-06-01), Goulart et al.
patent: 5579854 (1996-12-01), Barry
patent: 6095242 (2000-08-01), Lequang et al.

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