Method for removing solids and water from petroleum crudes

Details Method for removing solids and water from petroleum crudes Method for removing solids and water from petroleum crudes

1982-07-13

1984-08-21

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Water removal

210708, 210724, 210727, C10G 3304

Patent

active

044668856

ABSTRACT:
Particulate solids and water are removed from petroleum crude to bring the BS&W content of the crude within pipeline specifications by treating a blended and dewatered crude to destabilize the water-in-oil emulsion of the crude and providing in uniform distribution through the treated crude both produced water and an acid-reacting coagulating agent while maintaining the crude at a pH of at least 8, then maintaining the resulting treated crude at 52.degree.-88.degree. C. for at least a few minutes, separating the treated crude into at least an oil phase and a water phase, and recovering the oil phase as a clean blended crude oil having a BS&W content within pipeline specifications and in a yield significantly greater than that which can be recovered without use of produced water and coagulating agent.

REFERENCES:
patent: 2446040 (1948-07-01), Blair, Jr.
patent: 3547803 (1970-12-01), Barkman et al.
patent: 4040955 (1977-08-01), Davidson
patent: 4143085 (1979-03-01), Funada et al.
patent: 4272360 (1981-06-01), Bialek
patent: 4392944 (1983-07-01), Kessick

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