Search result: GB/T 36701-2018
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Guideline for defect repair of buried steel pipelines
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GB/T 36701-2018
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| Standard ID | GB/T 36701-2018 (GB/T36701-2018) | | Description (Translated English) | Guideline for defect repair of buried steel pipelines | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E98 | | Classification of International Standard | 23.040.10 | | Word Count Estimation | 30,334 | | Date of Issue | 2018-09-17 | | Date of Implementation | 2019-03-01 | | Issuing agency(ies) | State Administration of Markets and China National Standardization Administration |
GB/T 36701-2018
Guideline for defect repair of buried steel pipelines
ICS 23.040.10
E98
National Standards of People's Republic of China
Buried steel pipeline body defect repair guide
Published on.2018-09-17
2019-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 range 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 2
5 Data collection 3
6 common repair methods 3
7 Repair of typical defects 8
8 Health, safety, environment 12
9 Quality acceptance and post work 13
Appendix A (Normative) Pipeline in-service welding operations 14
Appendix B (informative) Data Collection Table 18
Appendix C (Normative) Composite Reinforcement Repair Requirements 19
Appendix D (informative) Repair process for typical defects of buried steel pipelines 21
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Boiler and Pressure Vessel Standardization Technical Committee (SAC/TC262).
This standard was drafted. China Special Equipment Inspection and Research Institute, China Petroleum & Chemical Corporation Natural Gas Branch, China Petroleum
Natural Gas Co., Ltd. Changqing Oilfield Branch First Oil Transfer Office, Sinopec Sales Co., Ltd. South China Branch, Shenzhen Gas Group
Co., Ltd., China Petroleum Pipeline Co., Ltd. West Part Company, Sinopec Sales Co., Ltd. East China Branch, China Special Inspection Pipeline
Engineering (Beijing) Co., Ltd., Pipeline Technology Research Center of Pipeline Branch of China National Petroleum Corporation, China Petrochemical Corporation
Co., Ltd. North China Oil and Gas Branch, China Petroleum and Natural Gas Co., Ltd. Changqing Oilfield Branch Third Oil Transfer Office, Huizhou Daya Bay
De Petrochemical Co., Ltd., Guangdong Natural Gas Pipe Network Co., Ltd., Daqing Oilfield Co., Ltd. Natural Gas Branch, Shanghai Jinyi Testing Technology
Technology Co., Ltd., Sinopec Pipeline Storage and Transportation Co., Ltd., Shaanxi Natural Gas Co., Ltd.
The main drafters of this standard. Liu Changzheng, Chen Shan, Ji Jian, He Renyang, Zong Zhaofeng, Zhao Hongtao, Yang Dashen, Yang Guang, Zhang Xiaosong, Li Jianle,
Zhang Hua, Cai Jingming, Wang Fuxiang, Zhang Dengyu, Shao Shanshan, Li Xuguang, Wang Litao, Jiang Xuyu, Xie Cheng, Tan Chunbo, Zhou Jixiang, Ding Jiancheng, He Lei,
Sun Wei, Yang Weitao.
Buried steel pipeline body defect repair guide
1 Scope
This standard specifies the methods and implementation procedures for the repair of buried steel pipe body defects.
This standard is applicable to the repair of buried steel long-distance pipelines and gathering pipelines of L485/X70 and below steel grades, L485/X70
Other buried steel pipelines of the following steel grades may be implemented in accordance with this standard.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 8923.1-2011.Determination of surface cleanliness of steels before coatings -- Part 1 . uncoated
Corrosion grade and treatment grade of the steel surface and the surface of the steel after the original coating is completely removed
GB/T 23257 buried steel pipeline polyethylene anti-corrosion layer
GB/T 28055 Steel Pipe Pressure Sealing Technical Specification
GB/T 30582 Risk-based inspection and evaluation of external damage of buried pipelines
GB/T 31032-2014 Welding and acceptance of steel pipelines
GB 50251 gas pipeline engineering design specification
GB 50253 Oil Pipeline Engineering Design Specification
GB 50369 Oil and Gas Long Distance Pipeline Engineering Construction and Acceptance Specifications
NB/T 47013.2 Non-destructive testing of pressure equipment - Part 2. Radiographic testing
NB/T 47013.3 Non-destructive testing of pressure equipment - Part 3. Ultrasonic testing
NB/T 47013.4 Non-destructive testing of pressure equipment - Part 4. Magnetic particle testing
NB/T 47013.5 Non-destructive testing of pressure equipment - Part 5. Penetration testing
SY/T 4109 Non-destructive testing of oil and gas steel pipelines
SY/T 5918 Buried steel pipeline external anti-corrosion layer insulation layer repair technical specification
SY/T 6444 Petroleum Engineering Construction Safety Regulations
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Repair pressure repairpressure
The operating pressure of the pipe at the defect at the time of repair.
3.2
Permanent repair permanentrepair
Repairs to ensure reliable operation of the pipeline throughout its life cycle.
3.3
Temporary repair temporaryrepair
Repairs that ensure that the pipeline runs reliably for a certain period of time, and will be permanently repaired and replaced as appropriate.
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