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NB/T 11515-2024 English PDF

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US$539.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 11515-2024: Technical code of practice for surface-borehole magnetic source transient electromagnetic method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11515-2024	539	Add to Cart	5 days	Technical code of practice for surface-borehole magnetic source transient electromagnetic method	Valid

Basic data

Standard ID: NB/T 11515-2024 (NB/T11515-2024)
Description (Translated English): Technical code of practice for surface-borehole magnetic source transient electromagnetic method
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D10
Classification of International Standard: 73.020
Word Count Estimation: 26,265
Date of Issue: 2024-05-24
Date of Implementation: 2024-11-24
Issuing agency(ies): National Energy Administration

NB/T 11515-2024: Technical code of practice for surface-borehole magnetic source transient electromagnetic method

---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 CCSD10 Energy Industry Standards of the People's Republic of China Technical specification for ground-borehole magnetic source transient electromagnetic method 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 General Principles 2 5 Technical Design 3 6 Instruments and Equipment 6 7 Data Collection 7 8 Data processing and interpretation 8 9.Compilation of results report and submission of materials 9 Appendix A (Informative) Calculation of primary field magnetic induction intensity 11 Appendix B (Informative) Field work record sheet and quality inspection error statistics table 15 Appendix C (Informative) Workflow 17 Appendix D (Informative) Typical abnormal response characteristics 19

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., Geophysical and Geochemical Exploration Research Institute of the Chinese Academy of Geological Sciences Institute of Mining and Technology, China University of Mining and Technology (Beijing). The main drafters of this document are. Yao Weihua, Wu Zhang, Gao Xiaowei, Li Ping, Feng Hong, Zhang Zhe, Hou Yanwei, Wang Xinwen, Deng Xiaohong, Cheng Jiulong, Guo Heng, Wang Peng, Li Wengang, Su Chao, Li Mingxing, Wang Qing. Technical specification for ground-borehole magnetic source transient electromagnetic method

1 Scope

This document specifies the general principles, technical design, instrumentation, data acquisition, data processing and interpretation of the ground-borehole magnetic source transient electromagnetic method. Requirements for interpretation, preparation of achievement reports and submission of materials. This document is applicable to the exploration of coalfield hydrogeology and hidden geological factors causing disasters in coal mines. Source transient electromagnetic method work can be carried out for reference.

2 Normative references

The contents of the following documents constitute 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 14499 Geophysical Exploration Technical Symbols DZ/T 0069 Geophysical prospecting map diagram legend and color code DZ/T 0153 Specification for Geophysical and Geochemical Exploration Engineering Measurement DZ/T 0187-2016 Technical specification for ground magnetic source transient electromagnetic method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Based on the electrical property difference of underground rock formations, a transient electromagnetic field is emitted underground by using a ground loop source and the induced eddy current field is received in the borehole. Electromagnetic detection methods. 3.2 It is composed of three components. A, U, and V. A is the axial component of the borehole, with the positive direction toward the hole mouth; U is on the vertical plane through the borehole, vertical to the V is perpendicular to U and is the radial component of the borehole. Its positive direction is determined by the right-hand rule. When the borehole is vertical, the positive direction of U is north. Direction, the positive direction of V is west. Note. Figure 1 shows the three-component directions of the drilling respectively. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11515-2024_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11515-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 11515-2024_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11515-2024_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.