GB/T 40702-2021 English PDF

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GB/T 40702-2021: Specification for geohazard prevention of oil and gas pipelines
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Basic data

Standard ID: GB/T 40702-2021 (GB/T40702-2021)
Description (Translated English): Specification for geohazard prevention of oil and gas pipelines
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E16
Word Count Estimation: 39,313
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40702-2021: Specification for geohazard prevention of oil and gas pipelines

---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 geohazard prevention of oil and gas pipelines ICS 75.200 CCSE16 National Standards of People's Republic of China Technical specifications for geological disaster protection of oil and gas pipelines Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Geological disaster prevention work 3 4.1 General Principle 3 4.2 Construction Phase 3 4.3 Operation Phase 4 4.4 Abandonment stage 6 5 Investigation and identification 6 5.1 Overview 6 5.2 Investigation and identification methods 6 5.3 Investigation and identification content 8 6 reviews 8 6.1 General 8 6.2 Disaster susceptibility 9 6.3 Pipeline vulnerability 9 6.4 Evaluation of Failure Consequences 10 7 Monitoring and detection 10 7.1 Monitoring 10 7.2 Detection 10 8 Early warning 14 8.1 Overview 14 8.2 Warning levels and models 14 8.3 Early warning response 14 9 Engineering prevention 15 9.1 General 15 9.2 Active pipeline protection 15 9.3 Engineering prevention measures 15 10 Emergency rescue 17 10.1 General 17 10.2 Emergency rescue of common geological disasters 18 10.3 Emergency rescue measures 19 11 Data Management and Handover 19 Appendix A (normative) Requirements for pipeline routing 21 Appendix B (informative) Professional survey of geological hazards along the pipeline 23 Appendix C (informative) Pipeline flood prevention work content 24 Appendix D (informative) Survey contents and elements of common pipeline geological hazards 25 Appendix E (informative) Calculation method of pipe radial stability 29 Appendix F (informative) Calculation method of overall axial stability of pipe body 30 Appendix G (Informative) The layout of the stress/strain monitoring section of the pipe body, the installation of sensors and related calculation methods 31 Appendix H (Informative) Common application scenarios and operating procedures for pipe stress testing using ultrasonic methods 33 Reference 35

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 of Standardization Documents" Drafting. This document was proposed and managed by the National Petroleum and Natural Gas Standardization Technical Committee (SAC/TC355). Drafting organizations of this document. National Pipeline Network Group Northern Pipeline Co., Ltd., National Petroleum and Natural Gas Pipeline Group, China University of Geosciences (Wuhan), China University of Petroleum (Beijing), China National Petroleum Pipeline Engineering Co., Ltd., China Geological and Environmental Monitoring Institute, National Pipeline Network Group Southwest Pipeline Co., Ltd., National Pipeline Network Group Western Pipeline Co., Ltd., China Petroleum & Chemical Corporation Natural Gas Branch Company, National Pipe Network Group Beijing Pipeline Co., Ltd., National Petroleum Pipe Network Group Co., Ltd. West-East Gas Pipeline Branch, Guangdong Dapeng Liquid Chemical Natural Gas Co., Ltd. The main drafters of this document. Wu Zhangzhong, Li Liangliang, Jing Hongyuan, Yang Jian, Deng Qinglu, Zhang Hong, Xu Guangli, Wu Zhiping, Zhang Dong, Hao Jianbin, Yan Yusen, Xian Guodong, Chen Pengchao, Li Yonghong, Liu Jianping, Bai Luyao, Shi Ning, Wu Bin, Luo Peng, Wang Pengfei, Ma Yunbin, Cai Yongjun, Wu Xia, Liu Bing, Li Yunjie, Huang Weijie, Mao Jian. Technical specifications for geological disaster protection of oil and gas pipelines

1 Scope

This document specifies the content, methods and requirements of geological disaster protection for oil and gas pipelines, including investigation and identification, evaluation, monitoring and testing, Early warning, engineering prevention, emergency rescue, data management and handover, etc. This document is applicable to geological disaster protection for the entire life cycle of onshore steel pipelines that transport oil and gas media. This document does not apply to urban gas pipelines and pipelines in the plant areas of enterprises such as oil refining and chemical industries.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 12328 Comprehensive engineering geological map legend and color code GB 17741 Earthquake Safety Evaluation of Engineering Site GB 32167 Code for Integrity Management of Oil and Gas Transmission Pipelines GB 50021 Geotechnical Engineering Survey Code (2009 Edition) GB 50251 Code for Design of Gas Pipeline Engineering GB 50253 Code for Design of Oil Pipeline Engineering GB 50423 Code for Design of Oil and Gas Transmission Pipeline Crossing Engineering DZ/T 0220 Debris flow disaster prevention engineering survey specification DZ/T 0286 Geological Hazard Risk Assessment Specification SY/T 6597 Technical specification for internal inspection of oil and gas pipelines SY/T 6828 Oil and gas pipeline geological disaster risk management technical specifications SY/T 7040 Oil and gas pipeline engineering geological disaster prevention design code SY/T 7413 Technical Specification for Disposal of Discarded Oil and Gas Long-distance Pipeline

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Pipeline geohazard Geological effects or disasters related to the geological environment that cause harm to pipeline construction, transportation system safety and operating environment. Note. The geological disasters mentioned in this document include rock and soil disasters, special soil disasters, water damage disasters and geological structural disasters. Rock and soil disasters include landslides, collapses, Debris flow, ground subsidence (including only goaf subsidence and karst collapse), ground subsidence and ground fissures; special soil disasters (including only loess collapsibility, expansive soil Expansion and shrinkage, frost heaving and thawing settlement of frozen soil, salt swelling and swelling of saline soil, and wind erosion sand burial); water damage includes slope water damage, river channel water damage and terrace water damage; geological structure Natural disasters only include active faults and earthquakes. 3.2 List of geological hazards geohazardinventory During the entire life cycle of the pipeline, the characteristic attributes, evaluation results, remediation planning content, and risk mitigation measures of geological disasters can be registered or described. ......

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