Well treatment with emulsion dispersions

Details Well treatment with emulsion dispersions Well treatment with emulsion dispersions

E - Fixed Constructions

21

B

166/25

E21B 43/27 (2006.01) C09K 8/50 (2006.01) C09K 8/74 (2006.01) C09K 8/92 (2006.01)

Patent

CA 1114285

ABSTRACT OF THE DISCLOSURE A method of treating a subterranean formation wherein a well treatment composition comprising a dispersion of a water-in-oil emulsion in an aqueous medium is injected into the formation. The water-in-oil emulsion has an internal aqueous phase and an external phase containing a liquid hydrocarbon and a surfactant soluble in the hydrocarbon. The com- positions can be designed to perform various well treatment applications including hydraulic fracturing and acidizing and can also be used to encapsulate or transport well treatment materials and chemicals into the wellbore of formation.

327130

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