Subsea wellhead equipment

Details Subsea wellhead equipment Subsea wellhead equipment

1992-06-22

1993-12-28

Dang, Hoang C.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166208, E21B 33035, E21B 2302

Patent

active

052731170

ABSTRACT:
There is disclosed subsea well equipment in Which an inner wellhead housing is lowered into and landed in the bore of an outer wellhead housing in order to install an inner casing string suspended from the inner housing within an outer casing string to which the outer housing is connected. The inner housing is locked down in the bore of the outer housing by a locking part on the inner housing which is forced into a locking recess in the bore in order to preload the connection between the housings. An assembly releasably connectable to the inner housing is provided for lowering the inner housing in the landed position and then locking it down within the bore of the housing in response to manipulation of a pipe string from which the assembly is suspended.

REFERENCES:
patent: 3543847 (1970-12-01), Haeber
patent: 4736799 (1988-04-01), Ahlstone
patent: 4823871 (1989-04-01), McEver et al.
patent: 4836288 (1989-06-01), Wester
patent: 5000266 (1991-03-01), Saunders et al.
patent: 5069288 (1991-12-01), Singeetham
patent: 5080174 (1992-01-01), Hymes
Dril-Quip, Inc. Brochure SS 271/02, "Running the 183/4 Hydraulic Rigid Lockdown Wellhead Housing and 20" Casing" (16 pp.).

Affiliated with

Also associated with

Rating

Subsea wellhead equipment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Subsea wellhead equipment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Subsea wellhead equipment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1536740