gas drainage
gas drainage, Total:23 items.
In the international standard classification, gas drainage involves: Occupational safety. Industrial hygiene, MINING AND MINERALS, Equipment for petroleum and natural gas industries, Coals, Mining equipment, Mining and quarrying, Products of the chemical industry.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gas drainage
- GB 41022-2021 Basic index of coal mine gas drainage and exploition
- GB/T 42638-2023 Drainage volume method for direct measurement of coal seam gas drainage radius
Professional Standard-Safe Production, gas drainage
- AQ 1026-2006 Basic index of coal mine gas drainage and exploition
- AQ 1091-2011 Outline and testing requirement of safety technique training for methane drainage miner of coal mine
- AQ/T 1091-2011 Coal Mine Gas Drainage Workers Safety Technical Training Outline and Assessment Requirements
Ministry of Housing and Urban-Rural Development of the People's Replublic of China, gas drainage
- GB 50471-2008 Code for design of the gas drainage engineering of coal mine
- GB 50471-2018 Standard for design of the gas drainage engineering of coal mine
- GB/T 50935-2013 Design document preparation standard of the gas drainage engineering in coal mine
Professional Standard - Energy, gas drainage
- NB/T 11637-2024 Mining methane extraction system management regulations
- NB/T 11938-2025 Determination of Coalbed Methane Extraction Radius by Pressure Drop Method
- NB/T 10363-2019 Determination method of coal mine gas drainage compliance evaluation index
- NB/T 11028-2022 Technical specifications for sealing of underground coal mine waste gas drainage boreholes
- NB/T 11466-2023 Technical Specifications for Construction of Vertical Wells for Ground Gas Drainage in Mining Areas
- NB/T 11941-2025 Technical Requirements for Full-hole Screen Pipe Installation in Gas Drainage Drilling of Soft Coal Seam
- NB/T 11470-2023 Technical specifications for high-position directional long drilling on the roof of coal mining face for gas drainage
- NB/T 51044-2015 Specifications for testing and inspection of main technical indicators of gas drainage systems in use in coal mines
- NB/T 10365-2019 Design specifications for surface vertical shafts for gas drainage in coal mine affected areas
- NB/T 11900-2025 Technical Requirements for Pneumatic Drilling of Directional Gas Drainage Holes Along Coal Seams in Soft Seams Underground
Anhui Provincial Standard of the People's Republic of China, gas drainage
- DB34/T 3187-2018 Calibration method of flow meter orifice plate in gas drainage system in coal mine
- DB34/T 1970-2013 Specifications for detection and inspection of main technical indicators of gas drainage system in use in coal mines
Hebei Provincial Standard of the People's Republic of China, gas drainage
- DB1304/T 348-2020 Detection method of flow parameters of coal mine pipeline gas drainage comprehensive parameter measuring instrument
Professional Standard - Military and Civilian Products, gas drainage