Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Chunyu Pei"'
Publikováno v:
ACS Omega, Vol 8, Iss 36, Pp 32838-32847 (2023)
Externí odkaz:
https://doaj.org/article/0ea524da6e654babb4c3307b7c33ec97
Publikováno v:
ACS Omega, Vol 7, Iss 9, Pp 7806-7815 (2022)
Externí odkaz:
https://doaj.org/article/2fbba83382d946bf800a88d748c39bb5
Publikováno v:
ACS omega. 7(9)
The shallow surface karst landform in the Nanchuan-China shale gas area, with developed caves and underground rivers, frequently lost circulation during the drilling operation. To solve the issue, first, according to the actual drilling engineering,