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Viscoelastic surfactant fracturing fluids and a method for fracturing subterranean formations
Viscoelastic surfactant fracturing fluids and a method for fracturing subterranean formations
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机译:粘弹性表面活性剂压裂液及地下地层的压裂方法
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摘要
Viscoelastic surfactant fluids for fracturing subterranean formations penetrated by a wellbore. The surfactant fluids are comprised of an aqueous medium; an effective amount of an inorganic water soluble sa and an effective amount of at least one surfactant selected from the group consisting of: i) anionic surfactants; ii) nonionic surfactants; and iii) hydrotropic surfactants. The surfactant compositions can be further stabilized and the viscosity increased by the addition of one or more hydrophobic organic alcohols. This invention also relates to a method for fracturing subterranean formations using said viscoelastic surfactant fluids.
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