RESEARCH OF POWER IMPULSES TRANSFER THROUGH THREADED CONNECTIONS OF THE DRILL-STRING DURING ROTARY-PERCUSSION DRILLING OF PILOT HOLES FOR TRENCHLESS PIPELINE LAYING
The relevance of the research. Pilot wells for horizontal directional drilling can be attributed to slim holes that are widely used in mining, in particular, for detailed exploration and underground development of non-ferrous metal ores, for degassing mine workings of coal mines, as well as in a lot...
Main Authors: | , , , , |
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Format: | Article |
Language: | Russian |
Published: |
Tomsk Polytechnic University
2020-12-01
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Series: | Известия Томского политехнического университета: Инжиниринг георесурсов |
Subjects: | |
Online Access: | http://izvestiya.tpu.ru/archive/article/view/2951/2374 |