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高温高盐裂缝型油藏堵剂体系研究与应用

Li-guo ZHU,Wei-yu CHEN,Ke-quan MENG,Yan-hui ZHANG,Zi-yang WEI,Qing-hui WU,Feng-xia LIU,Qi-guo PENG

Fine and Specialty Chemicals（2020）

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Abstract
针对高温高盐裂缝型油藏常规堵剂存在耐温耐盐性差、封堵强度弱、有效期短等问题,以海上J油田为目标,通过室内研究成功由高分子共聚物(由2-丙烯酰胺-2-甲基丙磺酸(AMPS)和丙烯酰胺(AM)共聚而成,简写为AM-AMPS,下同)和复合交联剂FHJLJ-3组成的耐温耐盐高强度化学堵剂配方.室内性能评价实验表明,该堵剂成交时间48h,成胶强度152133mPa·s,物模封堵率为97.82％,且具有良好的耐冲刷性能.将该堵剂在海上J油田进行了现场应用,取得了较好的增油降水效果.
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