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XN系列调剖堵水剂性能分析

OIL-GASFIELD SURFACE ENGINEERING(2004)

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Abstract
1.抗高温高盐调堵技术 两性聚合物调堵剂XN-W系列是以新型两性聚合物ZY11.2为主剂的化学调剖堵水剂.配比试验和岩心模拟试验结果表明,使用盐增稠两性聚合物研制成的凝胶,成胶时间可调,温度适应范围宽,抗压强度大,有极好的抗温性、抗盐性和抗脱水性,有效期长,适用于高温高盐油藏和裂缝介质注采井网的调剖和堵水.XN-W调堵剂可通过以下4种作用机理封堵地层孔隙及裂缝:
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