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GB/T 31537-2015Terms relating to coalbed methane (coal mine gas) (English PDF)

煤层气（煤矿瓦斯）术语

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 15, 2015

Implementation date

September 1, 2015

Scope

GB/T 31537-2015 is the English-translated version of 煤层气（煤矿瓦斯）术语.

GB/T 31537-2015 is the Chinese standard "Terms relating to coalbed methane (coal mine gas)".

Its scope clause reads: This standard specifies the coalbed methane, coal-bed methane exploration and development of coalbed methane surface engineering, coal mine gas drainage engineering, coal and coal-bed methane Coordination of the development, processing and coal-bed methane utilization and other terms and their English translations and definitions.

This standard applies to coal-bed methane exploration, development, gathering and processing of relevant standards, rules, standards, documents, materials, books and hand Booklets. Its clauses include general terms.

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Document preview — GB/T 31537-2015

National Standard of the People's Republic of China

ICS: 73.040
Classification: D 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Introduction
1 Scope
3 Gas Geology
4 CBM exploration
5 CBM surface development project
6 coal mine gas drainage project
7 of coal and coal-bed methane development coordination
References

1 Scope

This standard specifies the coalbed methane, coal-bed methane exploration and development of coalbed methane surface engineering, coal mine gas drainage engineering, coal and coal-bed methane

Coordination of the development, processing and coal-bed methane utilization and other terms and their English translations and definitions.

This standard applies to coal-bed methane exploration, development, gathering and processing of relevant standards, rules, standards, documents, materials, books and hand

Booklets.

2 general terms

2.1 CBM coalbedmethane; CBM

Occurrence in coal seams were associated with coal, methane as the main component of natural gas.

2.2 CMM coalminegas

Mine gas minegas

In the mine, a mixed gas consisting mainly of methane escaping from coal and surrounding rock.

2.3 CBM wells CBMwel

For the exploration and development of coalbed methane drilling in the ground construction.

2.4 CBM production wells CBMproductionwel

By ground engineering, industrial coalbed methane gas flow to obtain a CBM well.

2.5 Coalbed gas CBMcontent

Unit mass of coal contained in the volume of gas in the standard state, unit m3/t.

2.6 Methane concentration

CBM methane volume fraction.

2.7 Seam permeability coefficient

Characterization of coal seam gas flow resistance coefficient reflecting the degree of difficulty of the gas flow in coal seams, m2/(MPa2 · d).

2.8 Coal permeability

It indicates the strength of coal seam permeability amount. Darcy flow permeability value is determined by the laws.

2.9 Coal Reservoir

CBM coalbed reservoir. Having a gas reservoir and the ability to allow the flow of gas under pressure.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.

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