This document specifies the terms and definitions, composition and principles, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of drilling rig structural parts maintenance auxiliary tools. This document is applicable to the production and inspection of auxiliary tools for maintenance of drilling rig structural parts.
T/QGCML 3987-2024 history
2024T/QGCML 3987-2024 Drilling rig structural parts maintenance auxiliary tools