Optimization of pellet impact drilling regimes by regulation of spacing between a drill bit and a hole bottom

The relevance of the research. One of the main technological parameters of the pellet impact drilling is the spacing between a drill bitand a holebottom. There are several methods and constructions of drill bits that allow keeping this distance with bit feet. In this case, the jet apparatus is held...

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Bibliographic Details
Main Authors: Viktor Viktorovich Urnish, Lev Alekseevich Saruev, Aleksey Lvovich Saruev
Format: Article
Language:Russian
Published: Tomsk Polytechnic University 2018-05-01
Series:Известия Томского политехнического университета: Инжиниринг георесурсов
Subjects:
Online Access:http://izvestiya.tpu.ru/archive/article/view/2024