High temperature packer and method

Details High temperature packer and method High temperature packer and method

E - Fixed Constructions

21

B

E21B 33/128 (2006.01)

Patent

CA 2675201

A high temperature packer (10) force a tubular string in a well, and includes a packer mandrel (12) and an elastomeric packer body (14) positioned circumferentially about the mandrel. An upper packer head (16) and a lower packer head (18) are each positioned about the mandrel and secured to an end of the packer body. A connector (24) axially interconnects at least one of the upper packer head and lower packer head to the packer mandrel, and a temperature responsive member (30) maintains the connector in position to secure the packer head to the mandrel until the temperature in the well rises to a level such that the responsive member yields to allow the connector to release the packer head from the mandrel.

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