Thermally energized packer cup

Details Thermally energized packer cup Thermally energized packer cup

1981-09-08

1984-01-10

Purser, Ernest R.

Wells

Processes

Heating, cooling or insulating

166202, 166179, 277 26, 148402, E21B 3312

Patent

active

044248652

ABSTRACT:
In a geothermal production well, oil well or gas well, a thermally energized packer cup having a tapered elastomer body and a reinforcing element fabricated from a shape memory alloy seals the well casing when the packer cup is heated to the transformation temperature of the shape memory alloy.

REFERENCES:
patent: 2305282 (1942-12-01), Taylor et al.
patent: 2723721 (1955-11-01), Corsette
patent: 3053321 (1962-09-01), Ortloff
patent: 3285470 (1966-11-01), Frei et al.
patent: 4281841 (1981-08-01), Kim et al.

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