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页岩油气水平井压裂裂缝复杂性指数研究及应用展望

蒋廷学

蒋廷学. 页岩油气水平井压裂裂缝复杂性指数研究及应用展望[J]. 石油钻探技术, 2013, 41(2): 7-12. doi: 10.3969/j.issn.1001-0890.2013.02.002
引用本文: 蒋廷学. 页岩油气水平井压裂裂缝复杂性指数研究及应用展望[J]. 石油钻探技术, 2013, 41(2): 7-12. doi: 10.3969/j.issn.1001-0890.2013.02.002
Jiang Tingxue. The Fracture Complexity Index of Horizontal Wells in Shale Oil and Gas Reservoirs[J]. Petroleum Drilling Techniques, 2013, 41(2): 7-12. doi: 10.3969/j.issn.1001-0890.2013.02.002
Citation: Jiang Tingxue. The Fracture Complexity Index of Horizontal Wells in Shale Oil and Gas Reservoirs[J]. Petroleum Drilling Techniques, 2013, 41(2): 7-12. doi: 10.3969/j.issn.1001-0890.2013.02.002

页岩油气水平井压裂裂缝复杂性指数研究及应用展望

doi: 10.3969/j.issn.1001-0890.2013.02.002
详细信息
    作者简介:

    蒋廷学(1969-),男,江苏东海人,1991年毕业于石油大学(华东)采油工程专业,2007年获中国科学院渗流流体力学研究所流体力学专业博士学位,教授级高级工程师,主要从事水力压裂机理、优化设计方法及现场试验及后评估研究等工作。联系方式(010)84988612,lffy-jtx@sohu.com。

  • 中图分类号: TE357.1+1

The Fracture Complexity Index of Horizontal Wells in Shale Oil and Gas Reservoirs

  • 摘要: 为了评价页岩水平井压裂效果,将适用于直井的裂缝复杂性指数概念拓展到页岩水平井分段压裂中,考虑缝宽的非平面扩展、缝高的垂向延伸、主缝长的充分扩展和分段压裂的缝间应力干扰因子等因素,研究了不同裂缝类型对应的裂缝复杂性指数范围。对如何提高裂缝复杂性指数,进行了实施控制方法上的系统探索。结果表明,要增加裂缝的复杂性指数,一是要有一定的有利地质条件,二是需要优化压裂施工参数及现场实施控制技术。研究结果在四川盆地周缘4口水平井进行了应用和验证,每口井分段压裂10~22段,共实施65段140簇压裂,单段最大加砂量126 m3,最大用液量达4.6×104 m3。压裂后复杂裂缝出现的概率为40%左右,部分井增产效果明显。

     

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出版历程
  • 收稿日期:  2013-02-15
  • 修回日期:  2013-03-18
  • 刊出日期:  2013-04-19

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