Wells – Valves – closures or changeable restrictors – Fluid operated
Patent
1991-07-01
1992-10-20
Bui, Thuy M.
Wells
Valves, closures or changeable restrictors
Fluid operated
166374, E21B 2300, E21B 3400
Patent
active
051562103
ABSTRACT:
A shifting tool, operating on a single control line, selectively shifts a sliding sleeve in a well to either an open or closed position. The tool includes two sets of shifting dogs to manipulate a sliding sleeve in either direction. The tool includes locking dogs which insure proper location of the shifting tool as well as removing the load from the supporting coil tubing.
REFERENCES:
patent: 4542792 (1985-09-01), Akkerman
patent: 4658902 (1987-04-01), Wesson et al.
patent: 4658904 (1987-04-01), Doremus et al.
patent: 4848463 (1989-07-01), Ringgenberg et al.
Bui Thuy M.
Camco International Inc.
LandOfFree
Hydraulically actuated well shifting tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulically actuated well shifting tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulically actuated well shifting tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-187116