Well packer

Details Well packer Well packer

1980-12-08

1983-03-01

Purser, Ernest R.

Wells

Processes

Placing or shifting well part

166120, 166212, E21B 33126

Patent

active

043752403

ABSTRACT:
Disclosed is a hydraulically operable well packer for releasable setting within a well conduit, including a seal assembly for sealing the packer to the conduit and an anchor assembly for anchoring the packer to the conduit. The seal assembly includes sealing members for engaging the conduit as well as secondary sealing members for engaging a central mandrel of the packer, both sets of sealing members being constructed of material which permits the mandrel to remain sealed to the well conduit in the presence of high temperatures. The packer may be released by straight longitudinal movement of the mandrel relative to the outer packer assembly.

REFERENCES:
patent: 3054450 (1962-09-01), Baker
patent: 3342268 (1967-09-01), Brown
patent: 3391742 (1968-07-01), Davis
patent: 3392783 (1968-07-01), Reed
patent: 3410348 (1968-11-01), Page
patent: 3920075 (1975-11-01), Braddick et al.
patent: 3991826 (1976-11-01), Baugh
patent: 4263968 (1981-04-01), Garner
patent: 4285400 (1981-08-01), Mullins
patent: 4296806 (1981-10-01), Taylor et al.

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