The current state of PDC bit technology

World Oil

Volumn 231, Issue 9, 2010, Pages 41-48

  Bellin, Federico ^a   Dourfaye, Alfazazi ^a   King, William ^a   MikeThigpen, ^a  

^a Varel International ^*  (United States)

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EID: 78049265368     PISSN: 00438790     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

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