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ENHANCED SURFACTANT POLYMER FLOODING PROCESSES FOR OIL RECOVERY IN CARBONATE RESERVOIRS
ENHANCED SURFACTANT POLYMER FLOODING PROCESSES FOR OIL RECOVERY IN CARBONATE RESERVOIRS
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机译:碳酸盐岩油藏强化表面活性剂聚合物驱油工艺
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摘要
A composition for use in surfactant polymer flooding processes in a carbonate reservoir, the composition comprising a surfactant, the surfactant operable to reduce interfacial tension, a polymer, the polymer operable to increase the viscosity of the composition, and a tailored water, the tailored water operable to alter a wettability of the in-situ rock, where the tailored water has a total dissolved solids of between 5,000 wt ppm and 7,000 wt ppm, where the total dissolved solids comprises a salt, where the composition has a viscosity between 3 cP and 100 cP.
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