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Analysis on Small Diameter Wire-line Core Drilling Technology in Deep Hole
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The Institute of Exploration Techniques, CAGS,Shandong Gold Geology and Mineral Exploration Co., Ltd.,The Institute of Exploration Techniques, CAGS,Shandong Gold Geology and Mineral Exploration Co., Ltd.,Shandong Gold Geology and Mineral Exploration Co., Ltd.,Shandong Gold Geology and Mineral Exploration Co., Ltd.

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P634

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    Abstract:

    The paper briefly analyzes the technical design of wire-line core drilling for deep geological hole and discusses the borehole structure design, technical risk factors and drilling safety. At the same time, the suggestions are made on the reasonable selection of diamond wire-line core drilling bit, the improvement of service life of wire-line core drill pipe and the evaluation method.

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History
  • Received:January 13,2016
  • Revised:January 13,2016
  • Adopted:January 15,2016
  • Online: February 02,2016
  • Published:
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