Through tubing cable rotary system
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United States of America Patent
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Sep 10, 2013
Grant Date -
Jan 6, 2011
app pub date -
Jul 6, 2010
filing date -
Jul 6, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus, for performing rotary, cutting and/or crushing operations in a subterranean borehole or conduit thereof, which use higher and lower pressures therein to operate a motor, actuator and/or piston, particularly for sealing operations using a downhole assembly, placeable with a cable. The downhole assembly comprises at least a motor or actuator coupled to at least one of a rotary tool, axial cutting tool and/or packer or piston. The motor or actuator piston may be operated by differential fluid pressure across ends thereof, to form a space free of debris that may be provided for placement of a settable sealing material to prevent leakage paths in the concrete seal of said subterranean borehole or conduits thereof.
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