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SYNERGISTIC EFFECT OF COSURFACTANTS ON THE RHEOLOGICAL PERFORMANCE OF DRILLING, COMPLETION AND FRACTURING FLUIDS
SYNERGISTIC EFFECT OF COSURFACTANTS ON THE RHEOLOGICAL PERFORMANCE OF DRILLING, COMPLETION AND FRACTURING FLUIDS
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机译:助表面活性剂对钻井液,完井液和压裂液流变性能的协同作用
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摘要
The invention relates to the viscoelastic surfactant based fluids and methods for utilizing same in oilfield applications including, but not limited to gravel packing, cleanup, drilling, acidizing, fracturing and the like in a subterranean formation. The viscoelastic fluid of the invention comprises at least one amphoteric surfactant and at least one synergistic cosurfactant that increases the gel strength and extends the brine tolerance of said viscoelastic-based fluid.
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