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HIGH TEMPERATURE VISCOELASTIC SURFACTANT (VES) FLUIDS COMPRISING NANOPARTICLE VISCOSITY MODIFIERS
HIGH TEMPERATURE VISCOELASTIC SURFACTANT (VES) FLUIDS COMPRISING NANOPARTICLE VISCOSITY MODIFIERS
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机译:高温粘弹性表面活性剂(VES)流体,包括纳米颗粒粘度改性剂
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where R1 is a saturated or unsaturated hydrocarbon group of from 17 to 29 carbon atoms, R2 and R3, are each independently selected from a straight chain or branched alkyl or hydroxyalkyl group of from 1 to 6 carbon atoms; R4 is selected from H, hydroxyl, alkyl or hydroxyalkyl groups of from 1 to 4 carbon atoms; k is an integer of from 2-20; m is an integer of from 1-20; and n is an integer of from 0-20; brine solution; and at least one nanoparticle viscosity modifier comprising a particle size of 0.1 to 500 nanometers, or 0.1 to 100 nanometers.
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