Retrievable insert landing assembly

Details Retrievable insert landing assembly Retrievable insert landing assembly

1981-06-16

1983-08-23

Purser, Ernest R.

Wells

Processes

Assembling well part

166382, 166387, 166217, 166212, E21B 2303, E21B 2304

Patent

active

043998739

ABSTRACT:
Apparatus and method of positioning and seating a retrievable insert landing assembly within a packer bore receptacle in a well bore. Means are provided for releasably securing a landing assembly in the packer bore receptacle by engaging an annular groove in the PBR with latching elements on the landing assembly. The latching elements are normally in a retracted position and are actuated by hydraulic pressure. The landing assembly has an internal polished bore which slidably and sealingly receives a tubular extension attached to a releasable coupling. The releasable coupling is disconnectable from the landing assembly after it is latched in place. To retrieve the landing assembly a spear mechanism is run in the tubing and an upward pull shears a release mechanism in the landing assembly. The retrievable landing assembly is hydraulically set and mechanically retrieved.

REFERENCES:
patent: 3136364 (1964-06-01), Myers
patent: 3827488 (1974-08-01), Piazza et al.
patent: 3893717 (1975-07-01), Nelson
patent: 4059150 (1977-11-01), Manderscheid
patent: 4254829 (1981-03-01), Watkins

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