Vertical oil separator

Details Vertical oil separator Vertical oil separator

1988-03-23

1990-02-13

Fisher, Richard V.

Liquid purification or separation

Structural installation

Geographic

210188, 210194, 2104165, 2105121, 2105123, 1661055, 166357, B01D 4502

Patent

active

049004336

ABSTRACT:
A vertical separator for separating crude oil into liquid and gas phases composed of an outer casing and two further sets of concentric tubing to enclose two annuli and a central passage, one annulus having an inlet to receive crude oil, the other annulus having an outlet for separated gas, each at the top of the separator. The central passage collects produced oil with a pump near its base and a pump drive pipe extending up it. The crude oil may flow down its annulus with a swirling motion which can be induced and assisted by a tangential inlet, and/or a cyclone at the top, and one or more helices in the annulus. The separator may be used for underwater wells and may extend partially or wholly into the sea bed with a protective cemented external casing around it.

REFERENCES:
patent: 2429043 (1947-10-01), Barnhart
patent: 3893918 (1975-07-01), Favret, Jr.
patent: 4273472 (1981-06-01), Piazza et al.
patent: 4330306 (1982-05-01), Salant
patent: 4386654 (1983-06-01), Becker
patent: 4626360 (1986-12-01), Senyard et al.
patent: 4676308 (1987-06-01), Chow et al.
patent: 4718824 (1988-01-01), Cholet et al.
J. S. Horne et al., "Development of a Marginal Property: Petronella Field", SPE European Petroleum Conference Paper No. SPE 15893, Oct. 20-22, 1986.

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