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VISCOELASTIC SURFACTANT FLUIDS STABLE AT HIGH BRINE CONCENTRATIONS
VISCOELASTIC SURFACTANT FLUIDS STABLE AT HIGH BRINE CONCENTRATIONS
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机译:粘弹性表面活性剂在高盐水浓度下稳定
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摘要
PRESENT INVENTION RELATES TO HIGH BRINE CARRIER FLUID, SAID CARRIER FLUID SELECTED FROM THE GROUP CONSISTING OF ORGANIC ACIDS,ORGANIC ACID SALTS ,INORGANIC SALTS AND COMBINATION OF ONE OR MORE ORGANIC ACIDS OR ORGANIC ACISSALTSA CO-SURFACTANT AND AN AMOUNT OF AZWITTERIONIC SURFACTANT. THE INVENTION ALSO RELATES TO METHODS OF TREATING A SUBTERRANEAN WELLBORE , INCLUDING DRILLING , HYDRAULIC FRACTURING, GRAVEL PLACEMENT , SCALE REMOVING , MUD CAKE REMOVING, USING SAID HIGH BRINE CARRIER FLUID.(FIG 9)
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