Drilling of extra-hard formations |
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| Authors: | Lu Fan |
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| Affiliation: | (1) Department of Geology, Central South University of Technology, 410083 Changsha, China |
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| Abstract: | The reason for bit slipping in extra-hard formations has been analysed, and a new type of anti-slipping bit for extra-hard formations have been recommended. Synopsis of the author Lu Fan, professor. born in 1932. Major research fields: exploration drilling engineering, diamond tools and lubricating drilling fluid, has published more than 30 papers and one book. |
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| Keywords: | bit slipping extra-hard formation diamond |
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