NB/T 11330-2023
Specifications for the use of gas and water inrush prevention devices for underground water discharge boreholes in coal mines (English Version)

Standard No.

NB/T 11330-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Energy

Latest

NB/T 11330-2023

Scope

This document is applicable to operations related to abnormal gas outflow from boreholes and water inrush control in boreholes during the construction of underground water exploration and release boreholes in coal mines.

NB/T 11330-2023 history

• 2023 NB/T 11330-2023 Specifications for the use of gas and water inrush prevention devices for underground water discharge boreholes in coal mines