Retrievable straddle packer

Details Retrievable straddle packer Retrievable straddle packer

1984-02-09

1986-02-04

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166127, 166147, 166191, E21B 33124

Patent

active

045679444

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

REFERENCES:
patent: 2675876 (1954-04-01), Conrad et al.
patent: 2715444 (1955-08-01), Fewel
patent: 2831541 (1958-04-01), Conover
patent: 3338308 (1967-08-01), Elliston et al.
patent: 3398796 (1968-08-01), Fisher, Jr. et al.
patent: 4279306 (1981-07-01), Weitz
Halliburton Services Sales and Service Catalog No. 41, pp. 4013-4015, (RTTS Packer).
Halliburton Services Sales and Service Catalog No. 41, pp. 4019 and 4020, (Surge Perforation Cleaning).
Halliburton Services Sales and Service Catalog No. 41, pp. 4031 and 4032, (Selective Injection Packer).

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