GB/T 36701-2018 English PDF

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GB/T 36701-2018: Guideline for defect repair of buried steel pipelines
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36701-2018	599	Add to Cart	5 days	Guideline for defect repair of buried steel pipelines	Valid

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Basic data

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: 30,382
Date of Issue: 2018-09-17
Date of Implementation: 2019-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36701-2018: Guideline for defect repair of buried steel 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.
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 Scope 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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