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Laboratory Study of a Polymer/Surfactant Fracturing Fluid
Abstract:
A fluid system consisting of polymer-based thickening agent (ACPAM) and a surfactant (Linear alkyl benzene sulfonate, LAS) is reported. The ACPAM polymer showed good thickening performance. At concentration 0.6 wt%, the viscosity of ACPAM solution reached 265 mPa∙s. ACPAM polymer solution was easily cross-linked by LAS at a wide pH range. The ACPAM gel system can be broken by ammonium persulfate under the temperature of 80~90°C. The residue content of the breaking fluid was low. Meanwhile, the ACPAM fluid system showed an excellent thermal stability & shearing resistance performance. It can be used in high temperature reservoir upto temperature 150°C.
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2741-2744
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January 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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