Home / Standards / GB/T 31033-2025 GB/T 31033-2025 Active Technical requirements for well control technology of oil & gas drilling 石油天然气钻井井控技术要求 Standard Type GBT ICS 75.020 CCS E13 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 国家标准委 Drafting Unit N/A