Apparatus and method of anchoring and releasing from a packer

Details Apparatus and method of anchoring and releasing from a packer Apparatus and method of anchoring and releasing from a packer

1991-08-12

1993-05-04

Neuder, William P.

Wells

Processes

Placing or shifting well part

166124, 166181, E21B 2300

Patent

active

052072746

ABSTRACT:
An apparatus and method of anchoring into a packer with a stinger assembly is disclosed. Further, an apparatus and method of releasing from a packer is also disclosed. The apparatus includes an elongated stinger member, a plurality of collet finger members slidably attached to the stinger, a shear ring member with a chamfered shoulder containing a plurality of splined extensions, with a plurality of shear pins contained through the shear ring member. Further, the apparatus includes a load ring attached to the elongated stinger for transferring the load of the downhole tool from the collet finger members to the load ring.

REFERENCES:
patent: 3633670 (1972-01-01), Brown et al.
patent: 4060131 (1977-11-01), Kenneday et al.
patent: 4305465 (1981-12-01), Ellis
patent: 4363358 (1982-12-01), Ellis
patent: 4391326 (1983-07-01), Greenlee
patent: 4660637 (1987-04-01), McGill et al.
patent: 4862957 (1989-09-01), Scranton
patent: 5074361 (1991-12-01), Brisco et al.

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