Shifting tool for sliding sleeve valves

Details Shifting tool for sliding sleeve valves Shifting tool for sliding sleeve valves

E - Fixed Constructions

21

B

E21B 34/14 (2006.01) G06T 11/20 (2006.01)

Patent

CA 2115702

A shifting tool for sliding sleeve valves used in oil or gas wells, the tool having locating dogs for selectively locating and engaging a shoulder inside the valve; primary keys for engaging and selectively shifting the sliding sleeve to the equalizing position, and for preventing premature shifting of the sliding sleeve to the fully open position; means for selectively overriding the preventing means following equalization of pressure across the port; secondary keys leading the primary keys in the shift direction for engaging and selectively shifting the sliding sleeve to the fully open detent position; and means for selectively disengaging the shifting tool from the sliding sleeve valve for withdrawal of the shifting tool from the well. A method for selectively and sequentially shifting the sliding sleeve of a sliding sleeve valve from the closed to equalizing position, and then from the equalizing to fully open position, is also disclosed.

Affiliated with

Also associated with

Rating

Shifting tool for sliding sleeve valves does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shifting tool for sliding sleeve valves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shifting tool for sliding sleeve valves will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1773541