速溶胍胶压裂液的研制及再生可行性研究

Study on development and reutilization feasibility of instant guar gum fracturing fluid

林珊珊 张杰 王荣 徐蕾

中国石油大学（华东）石油工程学院，山东 青岛 266580 中海油田服务股份有限公司生产事业部，天津 300450 中国石油集团海洋工程有限公司，天津 300451

College of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China Production Department, China National Offshore Oilfield Service Corporation, Tianjin 300450, China China Petroleum Offshore Engineering Limited Company, Tianjin 300451, China

针对压裂施工时压裂液配制效率低，施工后返排液多、处理费用高且近期胍胶原料价格大涨等问题，研制了一种速溶胍胶压裂液。通过溶解速率测定、破胶及重复交联性能评价等一系列实验，将该胍胶与常规胍胶性能进行对比，并研究了该速溶胍胶的再生利用可行性。实验结果表明，速溶胍胶溶解快、分散性好、破胶彻底，以此作为增稠剂组成的压裂液体系耐剪切性能良好，具有一定的可再生性，经济环保，具有广阔的应用前景。

Aimed at the problems of the low efficiency of fracturing fluid preparing in fracturing operation, the recent rising price of the raw materials of guar gum, many drainage liquids after construction and the high cost of treatment, the instant guar gum fracturing fluid was developed and the reutilization feasibility was studied. Based on a series of experiments, such as the rate of dissolution determination of the guar gum, gel breaking experiment and the performance assessment of repeated crosslinking, the performance of instant guar gum was compared with that of the conventional guar gum and recycling feasibility of instant guar gum was researched. The experimental results show that the instant guar gum dissolves fast, and has a good dispersion property and complete gel breaking performance, which can be as a thickening agent consisting of fracturing fluid system with shear resistant performance, certain reutilization performance, economy and environmental protection, having a wide application prospect.

10.6056/dkyqt201302026