Straddle inflatable packer system

Details Straddle inflatable packer system Straddle inflatable packer system

1993-09-28

1994-11-08

Bui, Thuy M.

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

E21B 3300

Patent

active

053618360

ABSTRACT:
A straddle inflatable packer system includes upper and lower packer assemblies each having an inner elastomer sleeve surrounded by expansible armor members. For well treating operations, the upper packer includes an external elastomer sleeve which covers a lower portion of its armor members, and the lower packer has an external elastomer sleeve that covers an upper portion of its armor members, so that the external sleeves are located adjacent to the higher pressures of injected fluids. For well testing operations, the locations of the external packer sleeves are reversed so that again these sleeves are adjacent the higher well bore pressures during the test.

REFERENCES:
patent: 5205567 (1993-04-01), Quinlan et al.
patent: 5280824 (1994-01-01), Eslinger et al.

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