页岩气井暂堵重复压裂技术研究进展
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TE357

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国家重点研发计划项目(2018YFB1501802)


Research Progress On Temporary-plugging Refracturing Technology For Shale Gas Wells
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The National Basic Research Program of China (973 Program)

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    摘要:

    我国页岩气井重复压裂技术较国外有明显差距。近几年国内页岩气田的部分压裂井出现了产量递减快、井口压力低于输压的情况,亟需采用重复压裂技术进行有效增产。在调研国外页岩气暂堵重复压裂选井标准、工艺设计方法、现场施工及重复压裂监测诊断与评估技术研究进展的基础上,系统总结了国外暂堵重复压裂的先进经验。基于对页岩气井重复压裂面临技术挑战的分析,对我国重复压裂技术的研究提出了建议。

    Abstract:

    Obvious gap between China"s shale gas well re-fracturing technology and foreign countries is presented. Production of some fracturing wells in shale gas fields of China has experienced rapid decline, and the wellhead pressure drop below the conveying pressure. Therefore, refracturing technology is required to increase the production effectively. On the basis of investigating the progress of shale gas refracturing technology abroad, a systematic summary of the advanced experiences and lessons of shale gas refracturing abroad is outlined. Based on the analysis of technical challenges faced by refracturing in shale gas wells, suggestions are made for the study of refracturing technology in China.

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肖 博,李双明,蒋廷学,等. 页岩气井暂堵重复压裂技术研究进展[J]. 科学技术与工程, 2020, 20(24): 9707-9715.
XIAO Bo, LI Shuangming, JIANG Tingxue, et al. Research Progress On Temporary-plugging Refracturing Technology For Shale Gas Wells[J]. Science Technology and Engineering,2020,20(24):9707-9715.

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  • 收稿日期:2020-02-09
  • 最后修改日期:2020-06-02
  • 录用日期:2020-04-08
  • 在线发布日期: 2020-09-21
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