MT/T 638-1996
Direct measurement method of coal seam gas pressure in underground coal mine (English Version)

Standard No.

MT/T 638-1996

Language

Chinese, Available in English version

Release Date

1996

Published By

Professional Standard - Coal

Status

Be replaced 2007-07

Replace By

AQ 1047-2007

Latest

AQ 1047-2007

Scope

This standard specifies the principles, equipment, materials, instruments, and requirements for drilling, hole sealing, pressure measurement and other processes for direct measurement of coal seam gas pressure underground in coal mines. This standard is applicable to the direct measurement of coal seam gas pressure underground in coal mines (referred to as gas pressure measurement).

MT/T 638-1996 history

• 2007 AQ 1047-2007 The direct measuring method of the coal seam gas pressure in mine
• 1996 MT/T 638-1996 Direct measurement method of coal seam gas pressure in underground coal mine

MT/T 638-1996 Direct measurement method of coal seam gas pressure in underground coal mine was changed to AQ 1047-2007 The direct measuring method of the coal seam gas pressure in mine.