NB/T 11470-2023 Active Industry standards-Energy

NB/T 11470-2023 Gas extraction from coal mining face with top high-directional long drilling technology specification

Publish Date: 2023-12-28 Implement Date: 2024-06-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11470-2023

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: 2023-12-28

Implement Date: 2024-06-28

Scope

This document applies to the operations related to the construction of high-position directional long drilling holes for gas extraction on the coal mining face.

Development Information

Related Standards

GB/T 2007.1-1987 Active

GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk—Sampling by manual method

Publish Date: 1987-12-15

GB/T 2007.2-1987 Active

GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method

Publish Date: 1987-12-15

GB/T 2007.3-1987 Active

GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation

Publish Date: 1987-12-15

GB/T 2007.4-1987 Replaced

GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision

Publish Date: 1987-12-15

GB/T 2007.5-1987 Replaced

GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling

Publish Date: 1987-12-15

GB/T 2007.6-1987 Active

GB/T 2007.6-1987 General rules for the sampling and sample preparation of minerals in bulk—Determination of moisture content—Heat drying method

Publish Date: 1987-12-15