Hydraulic well cap

Details Hydraulic well cap Hydraulic well cap

1981-08-13

1984-07-24

Leppink, James A.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166 97, 166 85, 166363, 285DIG13, 285 18, E21B 33064, E21B 1916, E21B 4312

Patent

active

044613547

ABSTRACT:
Apparatus and associated method for capping a blowing well, one embodiment of the apparatus including a hydraulically activated clamp for engaging the exposed well pipe stem, a hydraulically operated shut off valve having a tapered fitting and hydraulically activated pistons connecting the clamp and the valve for axially displacing the fitting into sealing engagement with the open end of the pipe stem. A preferred embodiment substitutes a hydraulic motor driven threaded coupling for the connecting pistons and includes thread-forming dies or taps on the tapered fitting.

REFERENCES:
patent: 910295 (1909-01-01), Layne
patent: 1735991 (1929-10-01), Bennett
patent: 2126933 (1938-08-01), Stone et al.
patent: 2322679 (1943-06-01), Williamson
patent: 2638222 (1953-05-01), Roach
patent: 3257099 (1966-06-01), Merritt, Jr.
patent: 3272222 (1966-09-01), Allen
patent: 3325190 (1967-06-01), Eckert et al.
patent: 3999782 (1976-12-01), Shotbolt et al.
patent: 4026354 (1977-05-01), Burrow
patent: 4291762 (1981-09-01), Gudgel

Affiliated with

Also associated with

Rating

Hydraulic well cap does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-94541