GB/T 29169-2026

Upcoming

Petroleum and natural gas industries—Inspection and classification of used drill stem elements

石油天然气工业 在用钻柱构件的检验和分级

Standard Type
GBT
ICS
75.180.10
CCS
E 92
Status
即将实施
Issue Date
2026-03-31
Implementation
2026-07-01
Responsible Dept
国家标准委
Drafting Unit
N/A