Flow Distribution Analyses and Structure Optimization of Reverse Circulation Bits on Structure of Hollow Air Hammer

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doi:10.3969/j.issn.1672-7428.2004.04.015

2004 No. 4

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Flow Distribution Analyses and Structure Optimization of Reverse Circulation Bits on Structure of Hollow Air Hammer[J]. DRILLING ENGINEERING, 2004, (4): 35-37. doi: 10.3969/j.issn.1672-7428.2004.04.015

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Flow Distribution Analyses and Structure Optimization of Reverse Circulation Bits on Structure of Hollow Air Hammer[J]. DRILLING ENGINEERING, 2004, (4): 35-37. doi: 10.3969/j.issn.1672-7428.2004.04.015