| 摘要 |
This invention relates to a well treatment fluid and a method to treat an/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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