Wells – Processes – Placing or shifting well part
Reexamination Certificate
2008-04-02
2010-11-02
Bagnell, David J (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S141000
Reexamination Certificate
active
07823649
ABSTRACT:
Plugging a side pocket mandrel using a swelling plug. A system for plugging a port in a side pocket of a mandrel in a subterranean well includes a plugging device installed in the side pocket of the mandrel, the plugging device including a swellable seal material, whereby the seal material swells at least after installation of the plugging device in the side pocket to thereby prevent fluid transfer through the port. A method of plugging a port in a side pocket of a mandrel in a subterranean well includes the steps of: providing the plugging device with a swellable seal material; installing the plugging device in the side pocket; and the seal material swelling in the side pocket, thereby preventing fluid transfer through the port.
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Brown Clifford D.
Smith Lee
Warren Robert
Bagnell David J
Halliburton Energy Service,s Inc.
Sayre James G
Smith Marlin R.
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