DB21/T 3900-2023
Technical specifications for surface coalbed methane drainage in goaf areas of coal mines (English Version)

Standard No.

DB21/T 3900-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Liaoning Provincial Standard of the People's Republic of China

Latest

DB21/T 3900-2023

Scope

This document specifies the technical requirements for each process in the construction process of coal mine goaf surface coal seam gas drainage. This document is applicable to the drainage operation of coal mine goaf surface coal seam gas in Liaoning Province.

DB21/T 3900-2023 Referenced Document

• AQ 1081-2010 Safety regulation for fire & explosion prevention of coalbed methane surface exploitation
• AQ 1115-2018 Specifications for design review and completion acceptance of safety facilities for coalbed methane surface development and construction projects
• DZ/T 0250-2010 Specifications for coalbed methane drilling engineering
• GB/T 31537-2015 Terms relating to coalbed methane (coal mine gas)
• GB/T 40546-2021 Design specification for coalbed methane well drainage engineering
• NB/T 10009-2014 Technical specification of production for coalbed methane well
• SY/T 5964-2019 Drilling well control device combination, installation, commissioning and usage specifications
• SY/T 6921-2019 Technical specifications for coalbed methane well drainage safety

DB21/T 3900-2023 history

• 2023 DB21/T 3900-2023 Technical specifications for surface coalbed methane drainage in goaf areas of coal mines

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