页岩气藏清水压裂悬砂效果提升实验Laboratory experiment on the method for improving proppant-carrying capacity of slickwater fracturing in shale gas reservoirs
肖博;张士诚;郭天魁;邹雨时;侯腾飞;
摘要(Abstract):
针对页岩气藏压裂中清水压裂悬砂效果较差问题,分析压裂液和支撑剂性质,通过实验提出增强清水压裂悬砂效果方法:纤维复合清水压裂液技术和超低密度支撑剂技术.结果表明:纤维的加入不仅使清水压裂液的悬砂性能得到提高,同时还可以显著降低液体摩阻.低密度支撑剂可以降低沉降速度50%以上.综合采用纤维复合清水压裂液技术和超低密度支撑剂技术,支撑剂2h的沉降率为17%.不仅可以提高清水压裂的开发效果,还可以降低对地面泵车排量的要求,对于页岩气藏的开发具有指导意义.
关键词(KeyWords): 清水压裂;悬砂效果;纤维;清水压裂液技术;低密度支撑剂技术;页岩气
基金项目(Foundation): 国家科技重大专项(2011ZX05048-006-002)
作者(Author): 肖博;张士诚;郭天魁;邹雨时;侯腾飞;
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DOI:
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