GB/T 2008-1987
Active
NB/T 11329-2023
Active
Industry standards-Energy
NB/T 11329-2023 The method of automated determination of coal seam gas content in a downhole station
NB/T 11329-2023 The method of automated determination of coal seam gas content in a downhole station
Price:
$ 30
Basic Information
Standard Code:
NB/T 11329-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Mining and excavation
Publish Date:
2023-10-11
Implement Date:
2024-04-11
Scope
This document is applicable to the direct determination of gas content in coal seams using the desorption method in underground coal mines. It is not applicable to the determination of gas content in coal samples taken from water-jetting sludge removal, drilling water accumulation, and gas-emitting drilling holes.
Development Information
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