Wells – Screens – Porous material
Reexamination Certificate
2007-10-11
2010-11-09
Neuder, William P (Department: 3672)
Wells
Screens
Porous material
C166S376000
Reexamination Certificate
active
07828055
ABSTRACT:
An apparatus and method for filling a defined space, such as an annulus around a production tubular within a wellbore, includes a compliant porous material. The compliant porous material can be compressed and maintained in a compressed state by incorporation of a deployment modifier which may be a water-soluble or oil-soluble adhesive or biopolymer, used as an impregnant, a coating, or a casing. The production tubular can be positioned at a desired location and the compliant porous material exposed to a deployment modifier neutralizing agent, which then dissolves or otherwise prevents the deployment modifier from continuing to inhibit the deployment. Thus, deployment can be delayed to an optimum time by controlling exposure of the deployment modifier to the deployment modifier neutralizing agent.
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Duan Ping
Willauer Darrin L.
Baker Hughes Incorporated
Loikith Catherine
Mossman Kumar & Tyler PC
Neuder William P
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