Wells – Processes – Distinct – separate injection and producing wells
Patent
1989-03-29
1990-06-19
Suchfield, George A.
Wells
Processes
Distinct, separate injection and producing wells
166272, 166274, 166288, 166295, 166303, 523130, E21B 33138, E21B 4324
Patent
active
049344560
ABSTRACT:
A method and composition for altering the permeability of a high temperature subterranean formation are provided. The composition of the invention is comprised of water, at least one water dispersible acrylamide containing polymer, and a water dispersible crosslinker for bringing about the delayed crosslinking of the polymer comprised of the combination of an aldehyde and a salicylic acid derivative.
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Phillips Petroleum Company
Suchfield George A.
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