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METHOD AND COMPOSITIONS FOR PRODUCING SEAWATER BASED, HIGH TEMPERATURE VISCOELASTIC SURFACTANT FLUIDS WITH LOW SCALING TENDENCY
METHOD AND COMPOSITIONS FOR PRODUCING SEAWATER BASED, HIGH TEMPERATURE VISCOELASTIC SURFACTANT FLUIDS WITH LOW SCALING TENDENCY
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机译:制备低鳞片状海水基高温粘弹性表面活性剂的方法和组合物
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摘要
Embodiments of the present disclosure are directed to a method of producing a viscoelastic surfactant (VES) fluid, the VES fluid comprising desulfated seawater. The method of producing the VES fluid comprises adding an alkaline earth metal halide to seawater to produce a sulfate precipitate. The method further comprises removing the sulfate precipitate to produce the desulfated water. The method further comprises adding a VES and one or more of a nanoparticle viscosity modifier or a polymeric modifier to the desulfated seawater. Other embodiments are directed to VES fluids that maintain a viscosity greater than 10 cP at temperatures above 250°F.
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