Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Patent
1992-09-25
1994-08-30
Dang, Hoang C.
Wells
Packers or plugs
Central support has shoulders expanding sealing portion, or...
166 72, 166120, 166188, E21B 2306, E21B 33128
Patent
active
053418743
ABSTRACT:
A retrievable packer 10 for isolating a selected depth of a wall of a borehole. The retrievable packer is comprised of a body member 12, a cylinder 32 surrounding the upper portion of the body member 12, and a sealing member 24 cylindrically surrounding the lower portion of the body member. The cylinder 32 and the upper portion of the body member 12 work in conjunction to provide a piston action which engages the sealing member 24 and causes the sealing member 24 to establish a seal with the wall of the borehole.
REFERENCES:
patent: 978359 (1910-12-01), Cooper
patent: 995250 (1911-06-01), Graham
patent: 2178844 (1939-11-01), Baker
patent: 2189697 (1940-02-01), Baker
patent: 2228241 (1941-01-01), Baker et al.
patent: 2228630 (1941-01-01), Kail
patent: 2263563 (1941-11-01), Boynton
patent: 2270648 (1942-01-01), Church
patent: 2416842 (1947-03-01), O'Leary
patent: 2624412 (1953-01-01), Ragan
patent: 3055430 (1962-09-01), Campbell
patent: 3213940 (1965-10-01), Wood
patent: 4403656 (1983-09-01), Ploeg
patent: 4403660 (1983-09-01), Coone
patent: 5014782 (1991-05-01), Daspit
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