Retrievable straddle packer

Details Retrievable straddle packer Retrievable straddle packer

1985-03-26

1986-05-27

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166128, 166138, E21B 33124, E21B 33129

Patent

active

045909954

ABSTRACT:
An improved retrievable compression set straddle packer assembly for use in oil and gas wells. The straddle packer assembly comprises an hydraulic slip assembly, an injection mandrel assembly, a packer assembly, a mechanical slip assembly, a drag block assembly, and a bypass assembly.

REFERENCES:
patent: 1333390 (1920-03-01), Dickinson
patent: 2227730 (1941-01-01), Lynes
patent: 2227731 (1941-01-01), Lynes
patent: 2715444 (1955-08-01), Fewel
patent: 2772740 (1956-12-01), Edwards
patent: 2831541 (1958-04-01), Conover
patent: 2935133 (1960-05-01), Eckel et al.
patent: 3096824 (1963-07-01), Brown
patent: 3122205 (1964-02-01), Brown et al.
patent: 3136364 (1964-06-01), Myers
patent: 3308886 (1967-03-01), Evans
patent: 3329209 (1967-07-01), Kisling, III
patent: 3339637 (1967-09-01), Holden
patent: 3381749 (1968-05-01), Chenoweth
patent: 3398796 (1968-08-01), Fisher, Jr. et al.
patent: 3454087 (1969-07-01), Pitto
patent: 3456724 (1969-07-01), Brown
patent: 3456725 (1969-07-01), Hatch
patent: 3517743 (1970-06-01), Pumpelly et al.
patent: 3659648 (1972-05-01), Cobbs
patent: 3714983 (1973-02-01), Wilson
patent: 4279306 (1981-07-01), Weitz
Halliburton Services Sales and Service Catalog Number 41, pp. 4031-32 (selective injection packer).
U.S. patent application Serial No. 298,841, Luers et al., filed Sep. 3, 1981, assigned to Halliburton Company, now abandoned.
Halliburton Services Sales and Service Catalog Number 41, pp. 4013-15 (RTTS packer).
Halliburton Services Sales and Service Catalog Number 41, pp. 4019-20 (surge perforation cleaning).
Page 147, Halliburton Services Sales and Service Catalog No. 42 (1985).

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