Recovery of oil from oil reservoirs
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United States of America Patent
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-
Nov 20, 1990
Grant Date -
N/A
app pub date -
Mar 9, 1989
filing date -
Apr 19, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a process for recovery of oil from oil reservoirs with assistance from microorganisms. More particularly, the present invention contemplates a method for recovering oil from a reservoir comprising increasing the population of endogenous microorganisms in said reservoir, said microorganisms having surface active properties, to a level sufficient to effect enhanced oil recovery.
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