PROSPECTS FOR DEVELOPMENT OF TECHNOLOGY AND FACILITIES OF PILOT BORES HORIZONTAL DIRECTIONAL DRILLING FOR TRENCHLESS LAYING OF PIPELINES
The relevance. In the process of horizontal directional drilling, it is often necessary to overcome solid inclusions or hard rocks, that requires the use of a rational way of their destruction by an impact. However, the existing percussion mechanisms of modern drill rigs form power impulses of irrat...
Main Authors: | , , , , |
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Format: | Article |
Language: | Russian |
Published: |
Tomsk Polytechnic University
2019-04-01
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Series: | Известия Томского политехнического университета: Инжиниринг георесурсов |
Subjects: | |
Online Access: | http://izvestiya.tpu.ru/archive/article/view/232/119 |