Home / Standards / NB/T 11467-2023 NB/T 11467-2023 Active 地面钻井扩孔增抽卸压瓦斯技术规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2023-12-28 Implementation 2024-06-28 Centralized Committee 国家能源局 Issuing Authority 国家能源局