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Machine translation
1. (WO1981001028) HIGH TEMPERATURE WELL PACKER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/001028    International Application No.:    PCT/US1980/001221
Publication Date: 16.04.1981 International Filing Date: 22.09.1980
IPC:
E21B 33/12 (2006.01), E21B 33/1295 (2006.01), F16J 15/20 (2006.01)
Applicants:
Inventors:
Priority Data:
82406 05.10.1979 US
Title (EN) HIGH TEMPERATURE WELL PACKER
(FR) GARNITURE ETANCHE DE PUITS A TEMPERATURE ELEVEE
Abstract: front page image
(EN)A well packer (20) for use in geothermal wells or steam injection wells. The packer (20) can be anchored to the inner wall of a casing string (25) to resist differential pressure in either direction. The anchoring means includes a single set of slip elements (50) which are hydraulically or mechanically set. The packer (20) includes a sealing unit (30) with packing elements (36) and (37) especially adapted for high temperature wells. The packer (20) can be simply released from the casing by upward tension on the tubing (21).
(FR)Garniture etanche de puits (20) utilisee dans des puits geothermiques ou des puits d"injection de vapeur. La garniture etanche (20) peut etre ancree sur la paroi interne d"une colonne de tubage (25) pour supporter la pression differentielle dans les deux directions. Les moyens d"ancrage comprennent un seul ensemble d"elements de glissement (50) qui sont montes hydrauliquement ou mecaniquement. La garniture etanche (20) comprend une unite d"etancheite (30) avec des elements de garniture (36 et 37) specialement adaptes a des puits de temperature elevee. La garniture etanche (20) peut etre simplement detachee du cuvelage en exercant une tension vers le haut sur le tubage (21).
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)