Method for improving enhanced recovery of oil using surfactant-stabilized foams
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United States of America Patent
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Apr 12, 1994
Issued Date -
N/A
app pub date -
Oct 29, 1991
filing date -
Jan 2, 1990
priority date (Note) -
Expired
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Abstract
A process is provided for enhancing the recovery of oil in a subterranean formation. The process involves injecting a surfactant-containing foam having oil-imbibing and transporting properties. A foam having such properties is selected either by determination of the lamella number or by micro-visualization techniques.
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