Enhanced oil recovery using oxidized crude oil

Details Enhanced oil recovery using oxidized crude oil Enhanced oil recovery using oxidized crude oil

1982-02-02

1984-09-25

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

252 855D, E21B 4322

Patent

active

044731183

ABSTRACT:
Enhanced recovery of oil from oil fields is effected by making use of an inexpensive surface-active agent formed by oxidizing a portion of crude oil with an aqueous solution of sodium hypochlorite at a temperature of 20.degree.-180.degree. C. The oxidized crude can be injected in the field in admixture with non-oxidized crude or with water as a micro-emulsion.

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