High temperature well packer

Details High temperature well packer High temperature well packer

E - Fixed Constructions

21

B

166/43

E21B 33/128 (2006.01)

Patent

CA 1147645

HIGH TEMPERATURE WELL PACKER This application is a divisional of our copending appli- cation Serial No. 360,281, for High Temperature Well Packer filed September 16, 1980. Abstract of the Disclosure A well packer for use in geothermal wells or steam in- jection wells. The packer can be anchored to the inner wall of a casing string to resist differential pressure is either direction. The anchoring means includes a single set of slip elements which are hydraulically or mechanically set. The packer includes a sealing unit with packing elements espe- cially adapted for high temperature wells. The packer can be simply released from the casing by upward tension on the tubine.

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