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大直径救援井高效钻井技术及装备现状与展望.
- Source :
- Coal Science & Technology (0253-2336); Apr2021, Vol. 49 Issue 4, p75-81, 7p
- Publication Year :
- 2021
-
Abstract
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- Subjects :
- SPOIL banks
CASING drilling
CORE drilling
ULTRASONIC measurement
HAMMERS
BOREHOLES
Subjects
Details
- Language :
- Chinese
- ISSN :
- 02532336
- Volume :
- 49
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Coal Science & Technology (0253-2336)
- Publication Type :
- Academic Journal
- Accession number :
- 151808535
- Full Text :
- https://doi.org/10.13199/j.cnki.cst.2021.04.009