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GB/T 43926-2024: Technical specification for state assessment after oil and gas transportation pipeline accident
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 43926-2024 | English | 439 |
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Technical specification for state assessment after oil and gas transportation pipeline accident
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GB/T 43926-2024
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Basic data | Standard ID | GB/T 43926-2024 (GB/T43926-2024) | | Description (Translated English) | Technical specification for state assessment after oil and gas transportation pipeline accident | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E98 | | Classification of International Standard | 75.200 | | Word Count Estimation | 22,283 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43926-2024: Technical specification for state assessment after oil and gas transportation pipeline accident
---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 75:200
CCSE98
National Standards of People's Republic of China
Technical specification for post-accident status assessment of oil and gas pipelines
Released on 2024-04-25
2024-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 2
4:1 General requirements 2
4:2 Evaluation Process 3
5: Determination of weld leakage status 4
5:1 Evaluation Process 4
5:2 Evaluation Content and Requirements 4
6 Determination of corrosion leakage status 6
6:1 Evaluation Process 6
6:2 Evaluation Content and Requirements 7
7 Fracture leakage status determination 8
7:1 Evaluation Process 8
7:2 Evaluation Content and Requirements 9
8 Other leakage status determination 9
8:1 Evaluation Process 9
8:2 Evaluation Content and Requirements 10
9 Accident pipeline operation recovery 10
9:1 Special Plan 10
9:2 Operation Recovery 11
Appendix A (Informative) Accident Pipeline Status Assessment Report 12
Appendix B (Informative) Special Plan for Restoration of Accident Pipeline Operation 13
Reference 14
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 and coordinated by the National Technical Committee for Petroleum and Natural Gas Standardization (SAC/TC355):
This document was drafted by: China National Petroleum and Natural Gas Pipeline Network Corporation, China Special Equipment Testing and Research Institute, China National Pipeline Network Corporation
Nan Pipeline Co:, Ltd:, China Institute of Safety Science and Technology, China Petroleum and Natural Gas Pipeline Engineering Co:, Ltd:, CNOOC Gas and Electricity Group
China National Pipeline Network Corporation Limited, China National Pipeline Network Corporation Engineering Technology Innovation Co:, Ltd:, Beijing Zhiwang Digital Technology Co:, Ltd:, China National Pipeline Network Corporation Beijing
Fang Pipeline Co:, Ltd:, National Pipeline Network Group Western Pipeline Co:, Ltd:, National Petroleum and Natural Gas Pipeline Network Group Co:, Ltd: West Gas East
Transmission Branch, National Pipeline Network Group Beijing Pipeline Co:, Ltd:, National Oil and Gas Pipeline Network Group Co:, Ltd: South China Branch, National Petroleum
Natural Gas Pipeline Network Group Co:, Ltd: Central China Branch, National Petroleum and Natural Gas Pipeline Network Group Co:, Ltd: North China Branch, National Petroleum and Natural Gas
Branch of the General Research Institute of Science and Technology of China Pipeline Network Group Co:, Ltd:
The main drafters of this document are: Wang Zhensheng, Feng Qingshan, Liu Kuirong, Dai Lianshuang, Wang Ailing, Hou Hao, Wu Dongrong, Liu Yuting, Wang Leichao, He Renyang,
Wang Haitao, Wang Rujun, Duo Yingquan, Zhang Shengzhu, Xiong Jian, Wang Lianwei, Yan Bingchuan, Zhang Hailiang, Chen Jian, Wang Ting, Sun Wei, Yu Yao, Li Shili, Jiang Qingmei,
Chang Jinglong, Fu Liwu, Zhang Xiaochun, Li Jingchang, Wang Ye, Tan Xiao, Zhang Libo, Yu Dongliang, Zhu Quezhi, Zou Bin, Liu Jun, Xiu Linran, Hu Yabo, Lei Hongfeng,
Feng, Wenxing, Feng, Wei, Liu, Bing, Qiu, Xujian, and Zhao, Kang:
Technical specification for post-accident status assessment of oil and gas pipelines
1 Scope
This document specifies the maximum allowable operation of oil and gas pipelines after weld leakage, corrosion leakage, fracture leakage and other leakage accidents:
The stress assessment process clarifies the assessment content and requirements:
This document is applicable to the determination of the maximum allowable operating pressure after emergency treatment of buried long-distance oil and gas pipelines that have leakage accidents:
Reference for determination of the maximum allowable operating pressure after emergency treatment of leakage accidents in process pipelines, crossing pipelines and submarine pipelines within the station
use:
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 21447 Specification for external corrosion control of steel pipelines
GB/T 23258 Specification for internal corrosion control of steel pipelines
GB/T 28896 Test method for determination of quasi-static fracture toughness of welded joints of metallic materials
GB 32167 Specification for integrity management of oil and gas pipelines
GB/T 36676 External detection method for stress corrosion cracking (SCC) of buried steel pipelines
GB/T 42033 Technical specification for integrity assessment of oil and gas pipelines
SY/T 0087:1 Corrosion evaluation standard for steel pipelines and storage tanks Part 1: Direct evaluation of external corrosion of buried steel pipelines
SY/T 0087:2 Corrosion evaluation standard for steel pipelines and storage tanks Part 2: Direct evaluation of internal corrosion of buried steel pipelines
3 Terms and definitions
The terms and definitions defined in GB 32167 and the following apply to this document:
3:1
accidentpipeline
Caused by corrosion, weld cracking, low temperature brittle fracture, hydrogen cracking, fatigue failure, natural and geological disasters, third-party damage, misoperation, etc:
Oil and gas pipelines that fail due to leakage:
3:2
failure
Physical changes that cause pipelines or related facilities to lose the functions specified in the original design or cause certain losses:
Note: Includes leakage, damage or degradation:
[Source: GB 32167-2015, 3:15, modified]
3:3
Third-party damage
Acts by individuals or organizations other than pipeline companies and their contractual contractors that damage the pipeline system unintentionally or intentionally:
[Source: GB 32167-2015, 3:20]
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