New Progress and Prospect of Drilling Technology and Equipment in Coal Mine Area
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Xi’an Research Institute of China Coal Technology & Engineering Group Corp.,Xi’an Research Institute of China Coal Technology DdDd Engineering Group Corp.

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P634

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    Abstract:

    Coal bed methane resources are very rich in china. In the coal mine area, the development of coal bed methane (gas) can increase the supply of clean energy, improve the ability of coal mine safety production, and reduce the emission of greenhouse gas and so on. Surface and downhole drilling are the basic ways to develop coalbed methane (gas) and the main means of the emergency rescue in coal mine area. This paper introduces new technical equipment of coalbed methane exploiting on ground surface, large diameter drilling construction technology and equipment as well as boring technology and equipment for gas drainage in medium hard and soft coal seams as well as rock stratum. Based on the above, the analysis is made on the development demands on technology and equipment of coalbed methane (gas) drainage drilling in new situation.

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History
  • Received:June 15,2016
  • Revised:August 16,2016
  • Adopted:August 31,2016
  • Online: November 22,2016
  • Published: