E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01) E21B 33/124 (2006.01) E21B 33/128 (2006.01) E21B 47/00 (2006.01) E21B 49/00 (2006.01)
Patent
CA 2060244
Abstract Of The Disclosure A hydraulic set packer for use in a well bore as part of a testing apparatus. The packer comprises a housing defining a generally annular piston chamber therein. A cylindrical portion of an annular piston is slidably disposed in the piston chamber. The piston also has a shoe portion adjacent to a packer element on the housing. An inner mandrel is disposed in the housing, and the housing and inner mandrel define a passageway therein such that fluid pressure may be applied to the piston for moving it against the packer element such that the packer is set in sealing engagement with the well bore. The passageway extends the full length of the housing so that it may be in communication with another hydraulic packer positioned therebelow. One or more packers may be used in a downhole tool on a testing string for use in testing a well for- mation. The packer may also be used on a tubing string for testing a blowout preventer.
Beck H. Kent
Clark J. Allan
Haliburton Company
Swabey Ogilvy Renault
LandOfFree
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