Crude oil desulfurization

Details Crude oil desulfurization Crude oil desulfurization

1979-04-17

1982-01-12

Novosad, Stephen J.

Wells

Processes

Separating material entering well

166303, 208241, E21B 4324, C10G 2702

Patent

active

043100490

ABSTRACT:
High sulfur crude oil is desulfurized by a low temperature (25.degree.-80.degree. C.) chlorinolysis at ambient pressure in the absence of organic solvent or diluent but in the presence of water (water/oil=0.3) followed by a water and caustic wash to remove sulfur and chlorine containing reaction products. The process can be practiced at the well site for the recovery of desulfurized oil used to generate steam for injection into the well for enhanced oil recovery.

REFERENCES:
patent: 1263618 (1918-04-01), Squires
patent: 2107713 (1938-02-01), Rowland et al.
patent: 2503486 (1950-04-01), Himel
patent: 2582148 (1952-01-01), Nelly, Jr.
patent: 2969226 (1961-01-01), Huntington
patent: 3660512 (1972-05-01), Hamby et al.
patent: 3844349 (1974-10-01), Snavely, Jr. et al.
patent: 3881550 (1975-05-01), Barry
patent: 4007786 (1977-02-01), Schlinger
Shreve, R. Norris, Chemical Process Industries, Third Edition, 1967, pp. 240-242.

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