页岩储层压裂工作液研究进展及启示

彭瑀; 赵金洲; 林啸; 李柯苇

doi:10.3969/j.issn.1001-5620.2016.04.002

页岩储层压裂工作液研究进展及启示

doi: 10.3969/j.issn.1001-5620.2016.04.002

1. "油气藏地质及开发工程"国家重点实验室·西南石油大学, 成都 610500;
2. 中国石油川庆钻探工程公司井下作业公司, 成都 610051;
3. 西南石油大学地球科学与技术学院, 成都 610500

基金项目:

国家自然科学基金重大项目“页岩地层动态随机裂缝控制机理与无水压裂理论”（51490653）和国家重点基础研究发展计划（973计划）项目“页岩气储层压裂改造机理研究”（2013CB228004）。

详细信息

作者简介:
彭瑀,1988年生,西南石油大学在读博士研究生,主要从事油气藏压裂酸化理论与应用的研究工作.E-mail:pengyu_frac@foxmail.com.

中图分类号: TE357.12
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出版历程
- 收稿日期: 2016-06-09
- 刊出日期: 2016-07-31

Progress in Shale Gas Reservoir Fracturing Study and its Enlightenment

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500;
2. CCDC Downhole Service Company, Chengdu, Sichuan 610051;
3. School of Geoscience and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500

摘要

摘要: 滑溜水和线性胶压裂液体系在页岩油气的增产中得到了广泛应用。但随着页岩油气资源开发的不断深入，该体系也暴露出了携砂能力有限、返排液处理难度高和对储层伤害大等诸多问题。因此，分析了目前页岩储层压裂工作液体系存在的问题，认为在掌握了页岩软化的损伤机理后，应该对前期的压裂施工和室内岩心评价资料进行整理，对由页岩软化损伤造成的压后无效井，进行再一次的增产尝试。综述了新型的页岩储层压裂工作液体系，认为基于产出水配制压裂液是必然的节能减排发展趋势；泡沫压裂液是有效的少水压裂方案；而超低浓度、疏水缔合和星形聚合物压裂液体系都具有较强的工业应用前景。根据调研内容提出了页岩储层体积压裂的节水方案，建议根据压裂液再生后的类型和用途，具有针对性地净化和处理返排液，从而降低返排液的处理成本。
- 页岩气 /
- 增产措施 /
- 压裂液 /
- 储层损害 /
- 重复用水
Abstract: Slick water fracturing fluids and linear colloid fracturing fluids, though widely used in shale gas stimulation jobs, have deficiencies such as poor sand carrying capacity, difficulties in the treatment of the flowback fluids, and damage to the productivity of reservoirs, etc. Based on the analyses of the problems found of the fracturing fluids presently in use, it is concluded that after understanding the mechanism of the damage of shales by softening, the field operation and laboratory study data should be reviewed, and those wells with failed fracturing jobs can be re-fractured. By summarizing the newly developed fracturing fluids, it is understood that formulation of fracturing fluids with produced water is prospective in the future for energy saving and waste disposal. Foam fracturing fluid is a kind of fracturing fluids that can be formulated with less amount of water. Ultra-low concentration polymer fracturing fluid, hydrophobic association polymer fracturing fluid and star polymer fracturing fluid will be widely used in the future. A water saving SRV fracturing program for shale gas stimulation is presented based on data survey, and it is suggested that the flowback fluids be purified and treated in accordance with the type and application of the fracturing fluid formulated with the liquid from the used fracturing fluids, thus reducing the treatment cost of the flowback fluids.
- Shale gas /
- Stimulation /
- Fracturing fluid /
- Reservoir damage /
- Reuse of water

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参考文献(30)

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