清洁压裂液的制备和性能评价  

Preparation and Evaluation of Viscoelastic Surfactant Fracturing Fluid

作　　者：刘勇[1] 陈金虎 王成龙[1] 罗智[1] 王一闻 

机构地区：[1]西南石油大学化学化工学院,成都610500 [2]中国石油新疆油田新港作业分公司,新疆克拉玛依834000 [3]中国石化西南油气分公司工程监督中心,四川德阳618000

出　　处：《精细石油化工进展》2013年第5期4-7,共4页Advances in Fine Petrochemicals

摘　　要：采用单因素实验法优选出清洁压裂液的配方为:4%十六烷基三甲基溴化铵(CTAB)+2%水杨酸钠+4%KCl。对制得的清洁压裂液的抗剪切、抗温和携砂性能进行了评价,结果表明,该清洁压裂液在90℃时的表观黏度为110 mPa·s,且在60 min连续剪切下,清洁压裂液的表观黏度几乎没有变化;静态悬砂砂比最高可达15%;破胶后黏度几乎与水相同,且没有水不溶物存在。这表明优选配方清洁压裂液具有较好的抗剪切、抗温和携砂性能,完全符合压裂施工要求。We optimize the formula of a clean fracturing fluid by single factor experiments and obtain the optimum formula as follows:4% cetyltrimethyl ammonium bromide(CTAB) +2% sodium salicylate +4% KCl.We also evaluate the performances of anti-shearing,heat resistance,and sand-carrying capability of the fracturing fluid.The apparent viscosity of the fracturing fluid is 110 mPa·s at 90 ℃ and has little change under continous shear of 60 minutes.The proppant concentration(sand/liquid ratio) at static suspended sand is up to 15%.The residue after gel breaking is almost the same viscosity as water,and there are no water-insoluble substances.These results indicate that the optimizing formula has good anti-shear,heat resistance and sand-carrying capability,and completely meets the requirements of fracturing operation.

关 键 词：压裂液 黏弹性表面活性剂 十六烷基三甲基溴化铵 

分 类 号：TE357.12[石油与天然气工程—油气田开发工程]