Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1988-04-21
1989-03-28
Fisher, Richard V.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210170, 210513, 210522, B01D 2300
Patent
active
048161462
ABSTRACT:
A separator for removing oil from a fluid mixture at a well site. An elongated conduit is arranged for support on an offshore structure and extends downward into a body of water into which cleaned water is to be discharged. The process fluid flows downward in the conduit past a series of baffles and out the lower end into the body of water. Quiescent regions at each baffle allows oil droplets to migrate into entrapment regions and be withdrawn up a riser connected to each entrapment region. A mixture inlet tube extends down to discharge below the topmost baffle. A fluid enclosure above the topmost baffle accepts the collected oil. An oil collection box is situated in the fluid enclosure and receives oil directly from the riser, some of which is allowed to flow out openings into the enclosure. An oil outlet standpipe collects oil from the oil box for removal. A gauge housing is positioned in the enclosure and is in communication with fluid in the enclosure to position a gauge to determine the top surface of the oil and the thickness of the oil body. The gauge regulates flow controls to control mixture inflow and oil outflow.
The baffles are conical, opening upward, with a central opening. A flow spreader is situated below the opening to cause flowing mixture to follow a tortuous path.
REFERENCES:
patent: 3893918 (1975-07-01), Favret, Jr.
patent: 4198300 (1980-04-01), Williams
patent: 4626360 (1986-12-01), Senyard, Sr. et al.
patent: 4720341 (1988-01-01), Arnold
Fisher Richard V.
Jeter John D.
Upton C.
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