Treatment of oil well production
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United States of America Patent
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-
Jul 1, 1986
Issued Date -
N/A
app pub date -
Mar 7, 1985
filing date -
Jan 27, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Saline-tolerant surfactant is utilized in tertiary recovery of oil. The surfactant is concentrated in a portion of the produced oil and water and is recovered by the use of a cosolvent and fresh water. Both the cosolvent and surfactant are reclaimed for reuse, while the oil is released for sale.
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