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黔西北多层薄煤储层暂堵转向压裂技术应用

李特社 胡刚 王少雷 李玉魁 李启国 王理国 唐兆青

李特社, 胡刚, 王少雷, 李玉魁, 李启国, 王理国, 唐兆青. 黔西北多层薄煤储层暂堵转向压裂技术应用[J]. 煤田地质与勘探, 2018, 46(2): 15-21. doi: 10.3969/j.issn.1001-1986.2018.02.003
引用本文: 李特社, 胡刚, 王少雷, 李玉魁, 李启国, 王理国, 唐兆青. 黔西北多层薄煤储层暂堵转向压裂技术应用[J]. 煤田地质与勘探, 2018, 46(2): 15-21. doi: 10.3969/j.issn.1001-1986.2018.02.003
LI Teshe, HU Gang, WANG Shaolei, LI Yukui, LI Qiguo, WANG Liguo, TANG Zhaoqing. Application of temporary plugging and diverting fracturing technology for multiple and thin coal reservoir in northwestern Guizhou[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(2): 15-21. doi: 10.3969/j.issn.1001-1986.2018.02.003
Citation: LI Teshe, HU Gang, WANG Shaolei, LI Yukui, LI Qiguo, WANG Liguo, TANG Zhaoqing. Application of temporary plugging and diverting fracturing technology for multiple and thin coal reservoir in northwestern Guizhou[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(2): 15-21. doi: 10.3969/j.issn.1001-1986.2018.02.003

黔西北多层薄煤储层暂堵转向压裂技术应用

doi: 10.3969/j.issn.1001-1986.2018.02.003
详细信息
    第一作者:

    李特社,1990年生,男,陕西咸阳人,硕士研究生,从事煤层气压裂改造工艺技术方面的研究与应用工作.E-mail:liteshe@swgas.com.cn

  • 中图分类号: TE357

Application of temporary plugging and diverting fracturing technology for multiple and thin coal reservoir in northwestern Guizhou

  • 摘要: 黔西北地区煤层具有层数多、单层薄、非均质性强等特点,为探索经济高效的煤储层压裂改造技术,进行了煤层纵向暂堵转向压裂技术应用研究。结合转向压裂技术特点,从煤层压裂裂缝形态、力学屏蔽、射孔井段和煤体结构4个方面进行了适用性分析。为确保暂堵转向压裂能够更大限度沟通煤层,实现煤层均匀改造和压裂水平缝较长延伸,对暂堵材料和用量进行了优化组合。同时,在黔西北地区优选2口煤层气井分别开展了机械暂堵和化学暂堵转向压裂现场应用试验。结果表明,采用化学暂堵剂组合模式基本能够满足纵向(层间)暂堵转向压裂工艺的要求,取得了较好的应用效果,为贵州多煤层与薄煤层压裂改造提供了有效的技术支撑。

     

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出版历程
  • 收稿日期:  2017-04-19
  • 发布日期:  2018-04-25

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