Well treatment fluids and methods for the use thereof

Details Well treatment fluids and methods for the use thereof Well treatment fluids and methods for the use thereof

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/584 (2006.01) C09K 8/60 (2006.01) C09K 8/62 (2006.01) C09K 8/72 (2006.01)

Patent

CA 2344734

This invention relates to a well treatment fluid and a method to treat and/or fracture a subterranean formation comprising: injecting a well treatment fluid into the formation at sufficient pressure to fracture the formation wherein the fluid comprises: (a) one or more amphoteric surfactants; (b) water; (c) one or more nonaqueous solvents; (d) optionally, an acid forming compound; and (e) provided that if the acid forming compound is present a hydrophilic alcohol may also be optionally present; wherein the all or part of the fluid forms vesicles.

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