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Development and Application of Hydraulic Hammer Casing Puller
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The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development

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P634.4 9

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    Abstract:

    The principle of the hydraulic hammer casing puller is taking flushing fluid as the power medium to drive the hammer to vibrate and send the mechanical stress wave through the hydraulic hammer to the casing so as to pull it loose and then pull it out. By the newly developed hydraulic hammer casing puller, the damage to casing caused by pulling method of common brute force can be reduced with drilling cost saving. In this paper, the pulling principle and working method of double acting and positive acting hydraulic hammer casing puller are introduced, good results have been achieved in field tests carried out in Zunyi Xishandai iron mine of Hebei Province.

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History
  • Received:December 27,2016
  • Revised:May 12,2017
  • Adopted:May 15,2017
  • Online: July 20,2017
  • Published:
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