About a half-wave length of the bottom-hole core drill composed of structural elements of different stiffness
In the formation of the well under the influence of an axial load and speed core drilling shell is curved, with its lower bottomhole part consists of elements of different stiffness: a set of core and drill pipe. To determine the length of the half-wave in this part of the technological tools used e...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
National University of Science and Technology MISiS
2016-03-01
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| Series: | Горные науки и технологии |
| Subjects: | |
| Online Access: | https://mst.misis.ru/jour/article/view/16 |