GB/T 2007.1-1987
Active
NB/T 10850-2021
Active
Industry standards-Energy
NB/T 10850-2021 Design specifications for forced water seepage enhancement project in coal mine underground
NB/T 10850-2021 Design specifications for forced water seepage enhancement project in coal mine underground
Price:
$ 30
Basic Information
Standard Code:
NB/T 10850-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Mining and mineral products comprehensive
Publish Date:
2021-12-22
Implement Date:
2022-06-22
Scope
This document is applicable to the engineering design of three forced infiltration techniques, namely, pre-drainage of coal seam gas, hydraulic fracturing, and hydraulic slotting, as well as CO2 phase-change fracturing in coal mines.
Development Information
Related Standards
GB/T 2007.2-1987
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GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
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GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation
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Replaced
GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
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GB/T 2007.6-1987
Active