Working mechanism and rock-breaking characteristics of coring drill bit
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DOI: 10.1016/j.petrol.2017.12.047
Abstract: Abstract For improving the rate of penetration of the complex well structure and performance of the coring drill bit, this paper is to investigate a new type of coring drill bit that generates small-diameter core… read more here.
Keywords: mechanism; coring drill; bit; rock breaking ... See more keywords