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煤矿井下倾斜地层近水平定向钻孔造斜段轨迹设计

张迎接 赵永哲 杨忠 莫海涛

张迎接, 赵永哲, 杨忠, 莫海涛. 煤矿井下倾斜地层近水平定向钻孔造斜段轨迹设计[J]. 煤田地质与勘探, 2019, 47(2): 27-30. doi: 10.3969/j.issn.1001-1986.2019.02.005
引用本文: 张迎接, 赵永哲, 杨忠, 莫海涛. 煤矿井下倾斜地层近水平定向钻孔造斜段轨迹设计[J]. 煤田地质与勘探, 2019, 47(2): 27-30. doi: 10.3969/j.issn.1001-1986.2019.02.005
ZHANG Yingjie, ZHAO Yongzhe, YANG Zhong, MO Haitao. Trajectory design of oblique section in nearly horizontal directional hole in inclined formation in underground coal mine[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(2): 27-30. doi: 10.3969/j.issn.1001-1986.2019.02.005
Citation: ZHANG Yingjie, ZHAO Yongzhe, YANG Zhong, MO Haitao. Trajectory design of oblique section in nearly horizontal directional hole in inclined formation in underground coal mine[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(2): 27-30. doi: 10.3969/j.issn.1001-1986.2019.02.005

煤矿井下倾斜地层近水平定向钻孔造斜段轨迹设计

doi: 10.3969/j.issn.1001-1986.2019.02.005
基金项目: 

中煤科工集团西安研究院有限公司科技创新基金项目(2017XAYMS17);国家科技重大专项课题(2016ZX05045-003)

详细信息
    第一作者:

    张迎接,1987年生,男,河南商丘人,硕士,助理工程师,从事煤矿井下定向钻进工程施工.E-mail:1401662131@qq.com

  • 中图分类号: P634.2

Trajectory design of oblique section in nearly horizontal directional hole in inclined formation in underground coal mine

Funds: 

Science and Technology Innovation Fund of Xi'an Reserch Institute of CCTEG(2017XAYMS17)

  • 摘要: 钻孔轨迹设计是煤矿井下近水平定向技术顺利实施的前提。在近水平地层中,该类钻孔轨迹设计一般采用二维方法,而在倾斜地层中二维设计方法存在造斜段钻孔穿出目标层的问题。基于此,对定向钻孔穿过岩层的真厚度计算方法进行了研究,提出了利用地层单位法向量计算穿层厚度的方法,并编制了Excel计算数据表,用于指导近水平定向钻孔造斜段轨迹设计。通过淮南潘四东煤矿太原组灰岩近水平定向钻孔造斜段施工的实际应用,验证了该计算方法的可靠性,较好地指导了工程施工,对类似工程问题具有一定指导意义。

     

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出版历程
  • 收稿日期:  2018-09-07
  • 发布日期:  2019-04-25

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