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Research and Application on New PDC Bit Drilling in Hard and Compact Mudstone
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P634.41

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    Abstract:

    A PDC bit with new type tooth is introduced. Comparing with ordinary one, it turns low efficiency into very high and provides long service life in driliing in hard and compact mudstone.

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History
  • Received:August 15,2006
  • Revised:August 15,2006
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