压裂返排液高效回用处理技术研究与应用
杨杰,李静,林冬,赵成君

Research and application of the high efficiency recycling technology for fracturing flowback fluid
Jie YANG,Jing LI,Dong LIN,Chengjun ZHAO
表4 四川气田某9井压裂返排液及其处理出水配成滑溜水的性能评价
Table 4 The evaluation of slick water prepared by the fracturing flowback water from a 9 well in Sichuan and treated effluents
测试项目返排液原液样2配滑溜水手动加药出水样2配滑溜水自动加药出水样2配滑溜水《滑溜水性能指标及评价方法》(NBT 14003.1—2015)
pH7.237.026.836~9
运动黏度/(mm2·s-14.32.52.14≤5
表面张力/(mN·m-130.225.823.9<28
结垢趋势
SRB数量/mL-11.1×10460.00.0<25
TGB数量/mL-1700.060.050.0<104
FB数量/mL-1110.02.50.0<104
配伍性有沉淀无絮凝、无沉淀无絮凝、无沉淀无絮凝、无沉淀
降阻率/%69.170.872.8≥70
CST比值1.31.21.2<1.5