Isolation tool for plugging the interior of a pipeline
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United States of America Patent
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N/A
Issued Date -
Feb 1, 2007
app pub date -
Jul 29, 2005
filing date -
Jul 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An isolation tool for closing a pipeline including a packer module having a cylindrical body member and at least one ring of elastomeric material slidably received on the cylindrical body, the ring being radially outwardly compressible in response to axial force, and including a grip module having a central body with a plurality of at least three rails radially extending in spaced apart relationship from the central body, each rail having an edge inclined at an angle to a longitudinal axis, a grip shoe contoured to bite into the pipe interior wall surface slidably supported on each inclined edge and a hydraulic cylinder/piston member secured to translate the grip shoes on the rail edges, the grip module being linked to and serving to selectable anchor the packer module in the pipeline.
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