NB/T 11821-2025 Active Industry standards-Energy

NB/T 11821-2025 Design specification of coalbed methane resource exploration

Publish Date: 2025-06-30 Implement Date: 2025-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 31.00

Download

Basic Information

Standard Code: NB/T 11821-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Solid fuel mine

ICS Name: \nCoal

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Pages: 16 pages

Scope

This document stipulates the design basis and principles, design content, and preparation requirements for the exploration of coalbed methane resources.
This document is applicable to the design of coalbed methane resource exploration and the preparation of design documents.

Development Information

Word Count: 13 Thousand words Pages: 16 pages

Referenced Standards

GB/T 24504-2009 The method of injection/falloff well test for coalbed methane well GB/T 24504-2025 Method of injection/falloff well test for coalbed methane well GB/T 29119-2023 Technical specification of coalbed methane resource prospecting GB/T 34229-2017 Coalbed methane well test method—Drill stem testing method GB/T 40546-2021 Design specification for coalbed methane well drainage engineering DZ/T 0216-2010 Specifications for coalbed methane resources/reserves DZ/T 0250-2010 Specifications for coalbed methane drilling engineering NB/T 10017-2014 The specification for writing the fracturing design of coal seam gas wells NB/T 10021-2015 NBT 10021-2015 Standard for Logging Operations in Coal Bed Methane Exploration NB/T 10423

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24