B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/141, 196/206
B01D 17/025 (2006.01) B01D 17/02 (2006.01) C10G 33/06 (2006.01) E21B 43/40 (2006.01)
Patent
CA 1251742
TREATMENT OF OIL WELL PRODUCTION ABSTRACT OF THE DISCLOSURE A vessel in the form of a vertically-extended cylindri- cal tank receives oil well production containing a difficult-to- treat component. An elongated path for the production is formed within the tank with which to stratify production fluids. The upper stratum is oil containing some percentage of emulsion, the lower stratum is water containing some percentage of emulsion, and the intermediate stratum is a concentration of the remaining difficult-to-treat emulsion. A subsystem is provided for the liquids of each stratum. The subsystem processing the interme- diate stratum extracts surfactant which has been used in facili- tating production from the earth, and isopropanol utilized to break the bond of oil with the surfactant and water of the emulsion. -23-
472847
National Tank Company
Ridout & Maybee Llp
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