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煤矿隐蔽致灾地质因素井下探查用随钻测量系统测试研究
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作者单位:

中煤科工集团西安研究院有限公司

中图分类号:

P634.7

基金项目:

陕西省科技统筹创新工程计划项目“煤矿井下隐蔽致灾地质因素定向钻进探查技术研究”(编号:2014KTCL03-14)


Research on Test of MWD System Used for Exploration of the Hidden Geological Factors Causing Disasters in Coal Mine
Author:
Affiliation:

Xi’an Research Institute of China Coal Technology & Engineering Group Corp

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    摘要:

    井下随钻测量定向钻进技术是煤矿隐蔽致灾地质因素重要探查手段之一,与常规钻进技术相比,具有轨迹精确可控、分支覆盖面广、坐标位置可计算等优势。为检验新型随钻测量系统测量结果的准确性,在井下进行了现场测试试验,实钻了2个试验孔,结果表明:新型随钻测量系统准确性好,实钻偏差能够保证在孔深5‰允许范围内,可提供足够准确的三维坐标参数,满足煤矿隐蔽致灾地质因素井下精确探查的要求。

    Abstract:

    The directional drilling technology with MWD system used in underground is one of the important means for exploration of hidden geological factors causing disasters in coal mine. Compared with the conventional drilling technology, directional drilling technology has the advantages of precise trajectory control, broad branches coverage, calculation of coordinates and some others. In order to test the accuracy of the measurement results of the new MWD system, a field experiment was carried out in the well and 2 testing holes were drilled. The results show that the accuracy of new MWD system is excellent, the real drilling deviation can be kept in the allowable range of 5‰ of the borehole depth and can provide accurate three-dimensional coordinate parameters to meet the requirements of accurate exploration of hidden geological factors causing disasters in coal mine.

    参考文献
    [1]申宝宏,郑行周,弯笑杰.煤矿隐蔽致灾因素普查技术指南[M].北京:煤炭工业出版社,2014:4-12.
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    [3]凌志强,彭勇,周宗波,等.沿煤层定向钻进瓦斯抽采技术在宁夏矿区的应用[J].煤炭科学技术,2008,36(11):47-51
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引用本文

王四一.煤矿隐蔽致灾地质因素井下探查用随钻测量系统测试研究[J].钻探工程,2016,43(6):68-71.
WANG Si-yi. Research on Test of MWD System Used for Exploration of the Hidden Geological Factors Causing Disasters in Coal Mine[J]. Drilling Engineering, 2016,43(6):68-71.

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历史
  • 收稿日期:2015-10-30
  • 最后修改日期:2015-10-30
  • 录用日期:2016-04-18
  • 在线发布日期: 2016-06-16
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