Design of Sleeve Fishing Rod for Directional Drilling
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Xi’an Research Institute of China Coal Technology & Engineering Group Corp.,Xi’an Research Institute of China Coal Technology & Engineering Group Corp.,Xi’an Research Institute of China Coal Technology & Engineering Group Corp.,Xi’an Research Institute of China Coal Technology & Engineering Group Corp.

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P634.4

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    Abstract:

    By the comparative analysis on the common fishing technologies of matching tools for directional drilling, the feasibility and practicability of sleeve fishing technology are made clear for handling the hole accidents in nearly horizontal directional drilling. According to the requirements of the construction technology and based on the specific parameters of the drilling tools in nearly horizontal directional drilling, the sleeve fishing rod for directional drilling is developed, which can match the rig with rated torque 6000N·m. The successful application in Chengzhuang coalmine proved the feasibility of sleeve fishing technology which can satisfy the application requirement with the rational structure.

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History
  • Received:February 26,2013
  • Revised:June 15,2013
  • Adopted:July 02,2013
  • Online: September 05,2013
  • Published: