Wells – Processes – Cleaning or unloading well
Reexamination Certificate
2006-05-23
2006-05-23
Neuder, William (Department: 3672)
Wells
Processes
Cleaning or unloading well
C166S118000, C166S173000
Reexamination Certificate
active
07048055
ABSTRACT:
The present invention generally relates to methods and apparatus for sealing a tubular. In one embodiment, the apparatus includes a packer having a body, a sealing element, and a cleaning device operatively connected to the body. In one aspect, the apparatus may clean a surface of the tubular before the sealing element expanded into contact therewith.
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Reciprocating Wellbore Wipers, Weatherford Cement Products Catalog.
U.K. Search Report, Application No. GB0405168.6, dated Jun. 10, 2004.
Moser, Patterson & Sheridan L.L.P.
Neuder William
Weatherford / Lamb, Inc.
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