Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Reexamination Certificate
2008-03-31
2010-02-02
Barr, Michael (Department: 1792)
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
C134S022110, C134S022120, C134S024000, C166S311000, C166S312000, C175S207000
Reexamination Certificate
active
07655096
ABSTRACT:
A method and apparatus for substantially cleaning fill from a borehole is described variously including running a coiled tubing assembly into the wellbore, creating a fluid vortex by circulating cleaning fluid through the coiled tubing, and pulling the coiled tubing and coiled tubing assembly out of the hole at a speed sufficient to substantially clean the particulate solids from the wellbore. An apparatus for substantially cleaning fill from a hole, including vertical, horizontal, or deviated wells also is provided.
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Li Jeff
Walker Scott A.
Wilde Graham
Barr Michael
BJ Services Company
Chaudhry Saeed T
Howrey LLP
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