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井下定向钻进用小直径通缆水力振荡器的研制

王力 徐保龙 王毅 黄寒静 贾明群 马斌

王力, 徐保龙, 王毅, 黄寒静, 贾明群, 马斌. 井下定向钻进用小直径通缆水力振荡器的研制[J]. 煤田地质与勘探, 2020, 48(2): 30-35,41. doi: 10.3969/j.issn.1001-1986.2020.02.006
引用本文: 王力, 徐保龙, 王毅, 黄寒静, 贾明群, 马斌. 井下定向钻进用小直径通缆水力振荡器的研制[J]. 煤田地质与勘探, 2020, 48(2): 30-35,41. doi: 10.3969/j.issn.1001-1986.2020.02.006
WANG Li, XU Baolong, WANG Yi, HUANG Hanjing, JIA Mingqun, MA Bin. Development of small diameter hydraulic agitator with cable for directional drilling in underground coal mine[J]. COAL GEOLOGY & EXPLORATION, 2020, 48(2): 30-35,41. doi: 10.3969/j.issn.1001-1986.2020.02.006
Citation: WANG Li, XU Baolong, WANG Yi, HUANG Hanjing, JIA Mingqun, MA Bin. Development of small diameter hydraulic agitator with cable for directional drilling in underground coal mine[J]. COAL GEOLOGY & EXPLORATION, 2020, 48(2): 30-35,41. doi: 10.3969/j.issn.1001-1986.2020.02.006

井下定向钻进用小直径通缆水力振荡器的研制

doi: 10.3969/j.issn.1001-1986.2020.02.006
基金项目: 

国家科技重大专项任务(2016ZX05045-003-002);中煤科工集团西安研究院有限公司科技创新基金项目(2017XAYMS13)

详细信息
    第一作者:

    王力,1981年生,男,陕西眉县人,博士研究生,副研究员,从事煤矿井下钻探技术研究与推广应用工作.E-mail:wangli2@cctegxian.com

  • 中图分类号: P634.7

Development of small diameter hydraulic agitator with cable for directional drilling in underground coal mine

Funds: 

National Science and Technology Major Project(2016ZX05045-003-002)

  • 摘要: 针对煤矿井下定向钻进过程中由于托压效应引起的钻进摩阻大、钻进效率低、钻孔深度受限等问题,提出通过钻柱振动减阻的技术思路。采用理论分析和数值模拟进行激振力、激振频率等关键技术参数的设计,研制ø89 mm小直径通缆水力振荡器。在室内测试碟簧和圆柱弹簧两种辅助复位原件结构的振荡器性能,并在淮南张集煤矿井下进行实钻试验。结果表明:碟簧式水力振荡器在300 L/min流量时,最大压降1.9 MPa、激振力8.11 kN、频率13 Hz,适合安装在近钻头位置辅助减阻;圆柱弹簧式水力振荡器频率在300 L/min流量时,模拟测试150 m通缆定向管柱最大变形量2.86 mm,最大复位力7.98 kN,频率11 Hz,适合安装在钻柱中间主要减阻;在张集矿井下-600 m疏水巷10号孔定向钻进产生明显托压时使用圆柱弹簧式水力振荡器,使平均钻压降低33%,钻效提高126%,显著降低钻进摩阻,提高定向钻进效率。研制的ø89 mm小直径通缆水力振荡器为煤矿水平定向钻进中托压问题提供一种新的解决方法。

     

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出版历程
  • 收稿日期:  2019-11-13
  • 修回日期:  2020-02-10
  • 发布日期:  2020-04-25

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