High temperature well packer

Details High temperature well packer High temperature well packer

1979-06-13

1981-03-31

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277230, 277DIG6, 166196, F16J 1520

Patent

active

042589266

ABSTRACT:
A well packer has a mandrel assembly with a tubular packing element supported thereon between upper and lower support members that are arranged to telescopically compress the packing element upon setting of the packer. The packer is constructed to retain the mandrel assembly in a telescopically retracted position compressing the packing element longitudinally until released. The tubular packing element has a quantity of loosely packed, heat resistant, compressible material of a substantially inorganic composition. Upon setting of the packer, the packing material is compressed to a tightly compacted configuration in order to establish a fluid tight seal between the mandrel assembly and the well bore. Because of the configuration of the tubular packing element, this packer is suited for operation in wells where substantially high temperatures are prevalent.

REFERENCES:
patent: 2082113 (1937-06-01), Layne et al.
patent: 2134671 (1938-10-01), Payne
patent: 2743780 (1956-05-01), Brown
patent: 2836252 (1958-05-01), Lane
patent: 2862563 (1958-12-01), Thompson
patent: 3381969 (1968-05-01), Crow et al.
patent: 4156533 (1979-05-01), Close et al.

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