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NB/T 11527-2024 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 11527-2024: Code of practice for gas directional drilling in coal mine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11527-2024	299	Add to Cart	3 days	Code of practice for gas directional drilling in coal mine	Valid

Basic data

Standard ID: NB/T 11527-2024 (NB/T11527-2024)
Description (Translated English): Code of practice for gas directional drilling in coal mine
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D80
Classification of International Standard: 73.020
Word Count Estimation: 14,169
Date of Issue: 2024-05-24
Date of Implementation: 2024-11-24
Issuing agency(ies): National Energy Administration

NB/T 11527-2024: Code of practice for gas directional drilling 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.
ICS 73.020 CCSD80 Energy Industry Standards of the People's Republic of China Technical specification for pneumatic directional drilling in underground coal mines Released on 2024-05-24 Implementation on November 24, 2024 The National Energy Administration released

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Applicable formation conditions 2 5 Drilling equipment selection 2 6 Drilling Design 4 7 Site Requirements 4 8 Drilling and hole finishing technology 5 9 Construction safety technical measures 7

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee. This document was drafted by. China Coal Technology and Engineering Xi'an Research Institute (Group) Co., Ltd., Huaihe Energy Holding Group Co., Ltd., Huaibei Mining Co., Ltd., Shanxi Tiandi Wangpo Coal Industry Co., Ltd., Guizhou Ansheng Energy Co., Ltd., Xi'an Coal Science and Technology Testing Technology Co., Ltd. company. The main drafters of this document are. Yao Ningping, Liu Jianlin, Wang Yi, Zhang Jie, Fang Jun, Chen Jian, Xu Rui, Liu Fei, Sun Yongxin, Chen Gonghua, Wang Li, Fang Youxiang, Han Jian, Zhang Zhe. Technical specification for pneumatic directional drilling in underground coal mines

1 Scope

This document specifies the applicable formation conditions, drilling equipment selection, drilling design, site requirements, drilling Requirements on drilling and completion techniques, construction safety technical measures, etc. This document is applicable to directional drilling operations using gas-based fluid as the circulating power medium during measurement while drilling in coal mines.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 3836.1 Explosive atmospheres Part 1.General requirements for equipment GB/T 3836.2 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d" GB/T 3836.4 Explosive atmospheres Part 4.Equipment protected by intrinsic safety type "i" AQ1013 Safety inspection and testing specifications for air compressors in use in coal mines AQ1027-2006 Coal Mine Gas Extraction Specification MT/T 159 General technical requirements for mining dust collectors MT/T 521 Conventional drill rods for coal mine tunnel drilling MT/T 687 Air compressor for underground coal mines MT/T 774 General technical requirements for mobile membrane separation nitrogen production equipment for coal mines MT/T 790 Coal Mine Tunnel Exploration Drilling Rig MT/T 1135 General technical requirements for carbon molecular sieve nitrogen generators for coal mines NB/T 10173-2019 Technical specification for directional drilling in underground coal mines NB/T 10174 Technical requirements for directional drilling while drilling measurement equipment for mining NB/T 10175 Coal mine underground wired measurement while drilling drill pipe SY/T 5383 Screw Drilling Tools SY/T 5547 Use, maintenance and management of screw drilling tools

3 Terms and definitions

The terms and definitions defined in NB/T 10173-2019 and the following apply to this document. 3.1 Directional drilling method and process for measurement while drilling using gas-based fluid (compressed gas as the main body) as circulating power medium in coal mines. 3.2 Pneumatic directional drilling using compressed air as the circulating power medium. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11527-2024_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11527-2024_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 NB/T 11527-2024_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11527-2024_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.