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GB/T 34547-2017 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34547-2017: Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34547-2017	199	Add to Cart	3 days	Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine	Valid

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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

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34547-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34547-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 34547-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34547-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.