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Practice and Understanding of Core Drilling Construction in Large-angle Declined Hole in Lannigou Gold Deposit of Guizhou
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117 Geological Team, Bureau of Geology and Mineral Exploration and Development of Guizhou Province,117 Geological Team, Bureau of Geology and Mineral Exploration and Development of Guizhou Province

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P634.5

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    Abstract:

    The paper introduces the large-angle declined hole construction in Lan'nigou gold deposit of Guizhou, analyzes the application process of flushing fluid and drill bit selection and sums up the experiences of large-angle declined hole drilling.

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History
  • Received:May 17,2013
  • Revised:May 17,2013
  • Adopted:October 09,2013
  • Online: November 29,2013
  • Published:
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