Sump packer latching mechanism

Details Sump packer latching mechanism Sump packer latching mechanism

1989-02-09

1990-05-29

Neuder, William P.

Wells

Processes

Assembling well part

166387, 166125, E21B 2202

Patent

active

049287680

ABSTRACT:
A locking mechanism for anchoring a tubing string to a hollow bore sump packer located at a position in a subterranean well. The locking mechanism is attachable to the end of a tubing string and incorporates radially shiftable locking members which are engagable with an internal, downwardly facing shoulder defined within the hollow bore of the sum packer. The radially shiftable locking elements are moved from a retracted to a locking position by reciprocating movements of a mandrel carried by the tubing string. A supporting surface on the mandrel controls the position of the radially shiftable locking elements. The position of the supporting surface relative to the radially shiftable locking elements is controlled by a J-pin secured to the sleeve carrying the radially shiftable locking elements and a cooperating J-slot carried by the mandrel. The configuration of the J-slot requires that the mandrel be shifted downwardly and then upwardly to engage the locking elements with the packer shoulder and again shifted downwardly and then upwardly to effect the unlocking of the locking elements relative to the locking shoulder. In a modification, the left hand threads conventionally provided on the top of the packer is utilized as the locking shoulder, and the locking members are carried on a sleeve surrounding the mandrel.

REFERENCES:
patent: 4657078 (1987-04-01), Fiaser, III et al.
patent: 4745974 (1988-05-01), Higgins

Affiliated with

Also associated with

Rating

Sump packer latching mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-514828