Wells – Processes – Graveling or filter forming
Reexamination Certificate
2005-08-22
2008-11-18
Bagnell, David J. (Department: 3672)
Wells
Processes
Graveling or filter forming
C166S376000, C166S227000, C166S229000
Reexamination Certificate
active
07451815
ABSTRACT:
A sand control screen assembly for use in a wellbore includes a tubular base pipe having a first perforated section. The first perforated section has at least a first opening that allows fluid flow therethrough. The assembly also includes an internal seal element disposed within an internal diameter of the tubular base pipe and positioned at least partially overlapping the first perforated section. The internal seal element is able to control fluid flow through the first opening. The internal seal element includes a first material that is dissolvable by a first solvent, and may be dissolved by exposing the internal seal element to the first solvent until the internal seal element no longer controls fluid flow through the first opening.
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Andrews David
Bagnell David J.
Halliburton Energy Service,s Inc.
Pedersen Luke K.
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