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GB/T 34547-2017: Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34547-2017 | English | 199 |
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Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
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GB/T 34547-2017
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PDF similar to GB/T 34547-2017
Standard similar to GB/T 34547-2017 GB/T 26127 GB/T 35064 GB 34170 GB/T 43761 Basic data | Standard ID | GB/T 34547-2017 (GB/T34547-2017) | | Description (Translated English) | Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D20 | | Classification of International Standard | 73.040 | | Word Count Estimation | 10,154 | | Date of Issue | 2017-10-14 | | Date of Implementation | 2018-05-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 34547-2017: Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
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Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
ICS 73.040
D20
National Standards of People's Republic of China
Detection and Evaluation of Coal Bed Methane Gas Extraction by Surface Extraction
2017-10-14 Published
2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Coal Industry Association.
This standard by the National Coal Standardization Technical Committee (SAC/TC42) centralized.
This standard drafting unit. Shanxi Jincheng anthracite Mining Group Co., Ltd., China Coal Science and Technology Group Xi'an Research Institute Co., Ltd..
The main drafters of this standard.Sun Siqing, He genius, Wang Baoyu, Long Wei Cheng, Zhang Peihe, Chen Zhisheng, Li Guofu, Bai Jianping, Li Guihong,
Zhao Jizhan, drop Wen Ping.
Detection and Evaluation of Coal Bed Methane Gas Extraction by Surface Extraction
1 Scope
This standard specifies the terms and definitions of the detection and evaluation of coalbed methane ground pumping effect, the general provisions of the pumping effect detection, pumping
Effect evaluation and report preparation.
This standard applies to coal mine methane extraction and detection of ground effect, the area outside the coal mine methane extraction effect
Measurement and evaluation can refer to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 19559 method for determination of CBM content
GB/T 24504 CBM injection/pressure drop well test method
GB/T 29119 Technical specifications for CBM resource exploration
GB/T 31537 CBM (coal mine gas) terms
Well test methods for CBB wells - Drill pipe formation test method
DZ/T 0216 CBM resources/reserves specification
3 Terms and definitions
GB/T 31537 defined and the following terms and definitions apply to this document.
3.1
Coal remaining gas content remainingCBMcontent
Coal seam gas recovery after a certain period of time.
3.2
Coalbed gas content reduction rate decreaserateCMBMcontent
After a certain time of CBM drainage, the percentage of gas content in the coal seam decreases as a percentage of the gas content before pumping.
3.3
Detectionwell detectingwel
After a certain time of CBM drainage, engineering wells are constructed to obtain the remaining gas content of the coal seam, reservoir pressure and permeability.
4 general provisions
There is one of the following conditions in the ground extraction area of CBM, and the detection and evaluation of CMM ground extraction effect should be carried out.
a) new coal mine construction, or mine new levels, new mining areas, new face design and development;
b) mine gas drainage project design, or mine original extraction system adjustment;
c) Investigation on extraction effect of CBM ground drainage test area.
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