Treatment of oil well production

Details Treatment of oil well production Treatment of oil well production

1985-03-07

1986-07-01

Adee, John

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210744, 210805, 210104, 210DIG5, 208188, 166267, B01D 17025

Patent

active

045978743

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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patent: 3507782 (1970-04-01), Strausser et al.
patent: 4031007 (1977-06-01), Sierra, Jr.
patent: 4048069 (1977-09-01), Cuvillier et al.
patent: 4216079 (1980-08-01), Newcombe
patent: 4308136 (1981-12-01), Warne, Jr.
patent: 4364833 (1982-12-01), Loegeaaine
patent: 4416767 (1983-11-01), Jordan
patent: 4425239 (1984-01-01), Jacocks et al.

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