GB/T 42033-2022 English PDF

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GB/T 42033-2022: Specification for oil and gas pipeline integrity assessment
Status: Valid

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Basic data

Standard ID: GB/T 42033-2022 (GB/T42033-2022)
Description (Translated English): Specification for oil and gas pipeline integrity assessment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E98
Classification of International Standard: 75.200
Word Count Estimation: 30,345
Date of Issue: 2022-10-14
Date of Implementation: 2022-10-12
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42033-2022: Specification for oil and gas pipeline integrity assessment

---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 oil and gas pipeline integrity assessment ICS 75.200 CCSE98 National Standards of People's Republic of China Technical specification for integrity assessment of oil and gas pipelines Published on 2022-10-12 2022-10-12 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General principles and requirements 2 4.1 General 2 4.2 Pipeline Integrity Assessment Process 3 5 Evaluation data preparation and analysis4 5.1 Data Preparation 4 5.2 Data integration and alignment 4 5.3 Data Quality Analysis 5 5.4 Statistical analysis of data5 5.5 Identification of hazard factors 5 5.6 Data Sufficiency Analysis 5 6 Detection and monitoring5 6.1 Internal Detection 5 6.2 Direct Detection 7 6.3 Pressure test 9 6.4 Stress and strain monitoring of pipeline body 9 6.5 Other 10 7 Applicability evaluation 10 7.1 General 10 7.2 Evaluation of suitability based on internal testing 11 7.3 Evaluation of suitability based on direct detection 12 7.4 Evaluation of suitability based on pressure test 13 7.5 Comprehensive evaluation 13 7.6 Evaluation of other special situations 14 7.7 Conclusions and Recommendations 14 8 Integrity Evaluation Report 15 Appendix A (informative) Data to be prepared16 Appendix B (Informative) Internal Detector Types and Detection Purposes 18 Appendix C (Informative) Internal Test Report Requirements 21 Appendix D (Informative) Defect Evaluation Method 22 Appendix E (Informative) Defect Response Guidelines 23 Appendix F (Informative) Calculation of Corrosion Growth Rate 25 Reference 26

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" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Petroleum and Natural Gas Standardization Technical Committee (SAC/TC355). This document is drafted by. National Pipeline Network Group Northern Pipeline Co., Ltd., National Petroleum and Natural Gas Pipeline Network Group Co., Ltd., National Pipe Network Group Science and Technology Research Institute Branch, China Petroleum Planning Institute, China Petroleum and Natural Gas Pipeline Engineering Co., Ltd., China Special Equipment Testing Research Institute, China National Petroleum Corporation Engineering Materials Research Institute Co., Ltd., Beihang University, Institute of Metal Research, Chinese Academy of Sciences, The West-East Gas Pipeline Branch of China National Petroleum and Natural Gas Pipeline Network Group Co., Ltd. The main drafters of this document. Yan Glacier, Chen Pengchao, Feng Qingshan, Wang Ting, Chen Jian, Wang Fuxiang, Luo Feng, Zhu Wangyou, Chang Jinglong, Zhang Hailiang, Xiong Jian, Jia Guangming, Sha Shengyi, Geng Liyuan, Li Rui, Meng Tao, Zhang Zheng, Yang Fengping, Xie Yujiang, Xu Daozhen, Feng Wenxing, Feng Wei, Dai Lianshuang, Wang Junqiang, Xiang Xiaoqiang, Sun Chao, Ren Zhong, Zheng Jianfeng, Fu Kuan, Ou Xinwei, Yu Zhibo, Liu Ming. Technical specification for integrity assessment of oil and gas pipelines

1 Scope

This document specifies the content, methods and requirements for the integrity assessment of oil and gas pipelines, including assessment data preparation and analysis, testing and monitoring test, applicability evaluation, integrity evaluation report, etc. This document applies to the integrity assessment of onshore steel pipelines transporting oil and gas media.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 27699 Technical Specification for Internal Inspection of Steel Pipes GB/T 30582 Risk-based external damage inspection and evaluation of buried steel pipelines GB 32167 Oil and gas pipeline integrity management specification GB/T 36676 Buried steel pipeline stress corrosion cracking (SCC) external detection method GB 50251 Code for Design of Gas Pipeline Engineering GB 50253 Code for Design of Oil Pipeline Engineering GB 50369 Code for construction and acceptance of long-distance oil and gas pipeline engineering SY/T 0087.1 Steel Pipeline and Storage Tank Corrosion Evaluation Standard Part 1.Direct Evaluation of External Corrosion of Buried Steel Pipeline SY/T 0087.2 Steel Pipeline and Storage Tank Corrosion Evaluation Standard Part 2.Direct Evaluation of Internal Corrosion of Buried Steel Pipeline SY/T 0087.4 Standard for Corrosion Evaluation of Steel Pipes and Storage Tanks Part 4.Direct Evaluation of Buried Steel Pipelines for Stress Corrosion Cracking SY/T 0087.5 Standard for Corrosion Evaluation of Steel Pipes and Storage Tanks Part 5.Comprehensive Analysis of Corrosion Data of Oil and Gas Pipelines SY/T 6597 Technical specification for internal inspection of oil and gas pipelines

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Adopt applicable detection, monitoring or testing technology to obtain the status information of the pipeline body, and analyze the reliability of the pipeline based on the analysis of material and structure. The process of comprehensively evaluating the safety status of the pipeline to determine the suitability of the pipeline. Note. Commonly used integrity evaluation methods include applicability evaluation based on pipeline inspection data, pressure test and direct evaluation. 3.2 In-line inspection; ILI With the help of fluid pressure difference, the detector moves in the pipe to detect pipe defects (inner and outer wall corrosion, damage, deformation, cracks, etc.), the center of the pipe Methods for line location and piping structural features (welds, tees, elbows, etc.). [Source. GB 32167-2015, 3.12] ......

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