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Author:

严成增 (严成增.) | 郑宏 (郑宏.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为指导水力压裂施工,用FDEM-flow方法对多孔水力压裂问题进行了研究.研究结果显示:当H2孔的水压较小时,由H1孔出发的裂缝几乎不朝H2孔偏转;当H2孔的水压较大时,H1孔出发朝下扩展的裂缝,向H2孔偏转明显;当HI,H3孔同步增大水压时,H1出发向下扩展的裂缝朝H3孔偏转,H3孔出发向上扩展的裂缝朝H1孔偏转,最终在H1孔和H3孔间形成2条相向扩展的裂缝.上述研究结果表明:水力压裂裂缝的走向会受到相邻孔的干涉,可以通过相邻孔应力干扰控制压裂裂缝的走向;同时相邻孔的干涉,可以降低注水孔的起裂水压力,这也从侧面说明了同步压裂技术的合理性.

Keyword:

裂缝 同步压裂 FEMDEM FDEM-flow 多孔水力压裂 应力干扰

Author Community:

  • [ 1 ] [严成增]北京工业大学
  • [ 2 ] [郑宏]中国科学院武汉岩土力学研究所

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Source :

长江科学院院报

ISSN: 1001-5485

Year: 2016

Issue: 7

Volume: 33

Page: 63-67

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 5

Chinese Cited Count:

30 Days PV: 1

Affiliated Colleges:

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