Method for removing water from produced crude oil

Details Method for removing water from produced crude oil Method for removing water from produced crude oil

1985-03-22

1986-06-03

Cintins, Ivars

Liquid purification or separation

Processes

Separating

210804, 210DIG5, B01D 17022

Patent

active

045928495

ABSTRACT:
A method for removing emulsified water from a produced crude oil stream containing up to 65 volume percent water wherein the water-in-produced crude oil emulsion is passed through a bed containing a water saturated coalescing media, preferably sand or crushed quartz whereby the water coalesces to form a water phase and an oil phase essentially free of water. The two phases are allowed to separate by gravity forming an upper crude oil phase containing less than 3 volume percent water, and can be less than one-half volume percent water.

REFERENCES:
patent: 2739713 (1956-03-01), Robinson
patent: 3491882 (1970-01-01), Elam
patent: 3830371 (1974-08-01), Garcia
patent: 3847821 (1974-11-01), Kreuger
patent: 3972816 (1976-08-01), Mail et al.
patent: 3992291 (1976-11-01), Hirs
patent: 4243528 (1981-01-01), Hubbard et al.
patent: 4335001 (1982-06-01), Aurelle et al.
patent: 4493772 (1985-01-01), Tanaka

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