MT 644-1997
Active
NB/T 11543-2024
Active
Industry standards-Energy
NB/T 11543-2024 Technical coal of practice for boreholes transient electromagnetic prospecting technical of underground in coal mine
NB/T 11543-2024 Technical coal of practice for boreholes transient electromagnetic prospecting technical of underground in coal mine
Price:
$ 47
Basic Information
Standard Code:
NB/T 11543-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Geophysical exploration equipment
ICS Name:
Other mining equipment
Publish Date:
2024-05-24
Implement Date:
2024-11-24
Pages:
16 pages
Scope
This document specifies the basic requirements and implementation procedures for the underground drilling transient electromagnetic detection technology in coal mines during the construction design, data collection, data processing, data interpretation, report preparation, and report review processes.
This document is applicable to transient electromagnetic detection operations in underground coal mine drilling, including in-hole transient electromagnetic method, inter-hole transient electromagnetic method, and drift hole transient electromagnetic method.
Development Information
Referenced Standards
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active