Wells – Processes – Repairing object in well
Patent
1996-11-14
1999-01-26
Dang, Hoang C.
Wells
Processes
Repairing object in well
166192, 166387, E21B 3313
Patent
active
058628614
ABSTRACT:
An apparatus for sealing non-regular holes in a perforation in a wall, including a sealing member configured to be forcibly pressed into an inner surface of the perforation, an expandable member for forcing the sealing member against the inner surface of the perforation, and an expander member for causing the expandable member to force the sealing member against the inner surface of the perforation.
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