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GB/T 27699-2023: Technical specification for in-line inspection of steel pipeline
Status: Valid GB/T 27699: Evolution and historical versions
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| GB/T 27699-2023 | English | 979 |
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Technical specification for in-line inspection of steel pipeline
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GB/T 27699-2023
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| GB/T 27699-2011 | English | 999 |
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Steel pipeline in-line inspection technical specification
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GB/T 27699-2011
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PDF similar to GB/T 27699-2023
Basic data | Standard ID | GB/T 27699-2023 (GB/T27699-2023) | | Description (Translated English) | Technical specification for in-line inspection of steel pipeline | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E98 | | Classification of International Standard | 75.200 | | Word Count Estimation | 48,453 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Older Standard (superseded by this standard) | GB/T 27699-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 27699-2023: Technical specification for in-line inspection of steel pipeline---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
Replacing GB/T 27699-2011
Technical specifications for internal inspection of steel pipelines
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 3
5 Internal detection cycle and equipment selection 5
6 Test Implementation Preparation 5
7 Pigging before inspection 7
8 Geometric deformation detection 8
9 Metal Loss Detection 8
10 Centerline detection 9
11 Axial strain detection 9
12 Detection data preprocessing 9
13 Test report 9
14 Test result verification 16
15 Occupational Health, Safety, Environment16
16 Delivery information 17
Appendix A (Informative) Requirements for setting pipe tee retaining strips 18
Selection of testing equipment in Appendix B (informative) 20
Appendix C (informative) Internal detector types and detection purposes 23
Appendix D (Normative) Pipeline Survey Form 25
Appendix E (Informative) In-pipeline inspection implementation process 29
Appendix F (informative) Preparation of artificial defects 30
Appendix G (informative) Detector pull test report 34
Appendix H (Normative) Operating procedures for receiving and sending detectors 37
Appendix I (Informative) Metal Loss Type Definition 39
Reference 40
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:
This document replaces GB/T 27699-2011 "Technical Specifications for Internal Inspection of Steel Pipelines": Compared with GB/T 27699-2011, except for structural
In addition to adjustments and editorial changes, the main technical changes are as follows:
a) The scope of application has been changed (see Chapter 1, Chapter 1 of the:2011 edition);
b) Added the terms "centerline detection", "detection threshold", "reporting threshold" and "strain" (see 3:4, 3:10, 3:11, 3:25), and deleted the term
"Simulator" and "verification" (see 3:13 and 3:17 of the:2011 edition), and the definitions of the terms "credibility" and "pipeline characteristics" have been changed (see
3:15, 3:16, 3:7, 3:16 of the:2011 edition);
c) The regulations for when the detected pipeline is equipped with automatic opening and closing function valves and check valves are added (see 4:4:2, 4:4:3);
d) Changed the regulations on the operating pressure of the pipeline during the operation of the detector, and increased the operating temperature of the pipeline medium during the operation of the detector:
(see 4:8, 4:8 and 4:9 of the:2011 edition);
e) Added the general provisions for the geometric deformation detection of the tested pipeline before commissioning (see 4:9);
f) Added the conditions and basic requirements for the pull test calibration and the rules for the preparation of the pull test report (see 6:5:1, 6:5:3, 6:5:4);
g) The regulations on the buried depth of pipelines at marking points have been added, and the marking rules for key locations and special sections have been added (see 6:6);
h) Added general requirements for pipeline pigging (see 7:1);
i) Deleted the rules of "commissioning simulator" (see Chapter 9 of the:2011 edition);
j) Increased the requirements for marking and tracking during the operation of the detector (see 9:2:1);
k) Changed the inspection requirements for data integrity after receiving the detector and the processing requirements when the data integrity does not meet the requirements of this document
(see 9:4:2, 9:4:3, 10:4:2, 10:4:3 of the:2011 edition);
l) The content of centerline detection and axial strain detection has been added (see Chapter 10 and Chapter 11);
m) Changed the statistical rules of sag and ellipticity in the "Geometric Deformation Detection Report", and added statistics and deformation distribution diagrams of folds and buckling
The compilation rules (see 13:1:3, 12:1:3 of the:2011 edition);
n) Changed the basic information of the metal loss detection report (see 13:2, 12:2 of the:2011 edition);
o) Added "Centerline Test Result", "Bending Strain Analysis Report", "Displacement Analysis Report", "Axial Strain Analysis Report" and "Customization
Software Report" (see 13:3, 13:4, 13:5, 13:6, 13:7):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Standardization Technical Committee of Boilers and Pressure Vessels (SAC/TC262):
This document is drafted by: China Petroleum Pipeline Inspection Technology Co:, Ltd:, China Petroleum Pipeline Bureau Engineering Co:, Ltd:, China Petroleum Natural
Gas Pipeline Science Research Institute Co:, Ltd:, Oil and Gas Pipeline Engineering Quality Supervision Station, State Administration of Market Regulation, Special Equipment Safety Supervision
Police Bureau, China Special Equipment Inspection Association, China Special Equipment Safety and Energy Conservation Promotion Association, China Special Equipment Inspection and Research Institute, National Petroleum Corporation
Natural Gas Pipeline Group Co:, Ltd: West-East Gas Pipeline Branch, National Pipeline Group Southwest Pipeline Co:, Ltd:, National Oil and Gas Pipeline Group
Group Co:, Ltd: Science and Technology Research Institute Branch, National Pipe Network Group Northern Pipeline Co:, Ltd: Shenyang Testing Technology Branch, National
Pipe Network Group United Pipeline Co:, Ltd: Western Branch, China National Petroleum Corporation Tarim Oilfield Branch, Daqing Oilfield
Natural Gas Branch of PetroChina Co:, Ltd:, Jilin Oilfield Branch of PetroChina Co:, Ltd:, PetroChina Co:, Ltd:
Co:, Ltd: Liaohe Oilfield Branch, Shenzhen Gas Group Co:, Ltd:, China Petroleum & Chemical Corporation Southwest Oil and Gas Branch Co:, Ltd:
Gas Plant No: 2, Suzhou Gas Group Co:, Ltd:, South China Blue Sky Aviation Oil Co:, Ltd:, Zhejiang Zheneng Natural Gas Operation Co:, Ltd:, Shaanxi
Gas Group Engineering Co:, Ltd:, Hunan Special Equipment Inspection and Testing Research Institute, Wenzhou Special Equipment Testing Science Research Institute:
The main drafters of this document: Li Yuzhong, Chang Liangeng, Jiang Xiaohong, Jia Huiying, Wang Qingwei, Hong Xianfeng, Huang Kai, Ren Hongze, Liu Liwei,
Qiu Changchun, Liu Zheng, Zhao Peng, Cao Lei, Zheng Jingna, Li Yang, Yang Jinsheng, Cheng Jingbin, Tang Lizhi, Zhang Feng, Yao Dengzun, Liu Shirui, Wang Weizhong, Wang Ying,
Qin Xianyong, Zhang Hua, Ji Jianli, Yang Zhiwei, Li Anying, Chen Jinzhong, He Renbi, Gu Qinglin, Feng Wei, Zhao Dongye, Cao Guofei, Liu Kuirong, Zhu Jianping,
Hou Hao, Yu Dongliang, Chen Pengchao, Zhao Xiaoli, Hu Jiangfeng, Yang Chunlin, An Chao, Wang Jinxing, Zhang Wei, Nian Zhihui, Sun Jingshan, Wang Jianhua, Sun Kai,
Guo Dacheng, Yang Guang, Sun Tianli, Gao Yuncheng, Lin Yi, Shen Jiayuan, Zhang Weiwen, Gan Lin, Peng Xiaolan, Wang Renrong:
This document was first published in:2011, and this is the first revision:
Technical specifications for internal inspection of steel pipelines
1 Scope
This document stipulates the requirements for implementing internal inspection of steel pipelines, internal inspection cycle and equipment selection, inspection construction preparation, pigging before inspection, several
The technical requirements for any deformation detection, metal loss detection, center line detection and axial strain detection, preprocessing of detection data, detection report, detection
Provisions are made for verification of test results, occupational health, safety, environment and delivery data:
This document is applicable to the detection in onshore steel pipelines where the conveying medium is gas and liquid, and the detection in subsea steel pipelines where the conveying medium is gas and liquid
In-pipeline testing can be performed with reference to this document:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, 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:
SY/T 5536 Crude oil pipeline operation specification
SY/T 5922 Operation Specifications for Natural Gas Pipelines
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
In-line inspection in-line inspection; ILI
The detection is done by a detector running in the pipeline that can collect and record pipeline information in real time:
3:2
Geometry deformation detection geometry inspection
The in-pipe inspection is implemented for the purpose of detecting the geometric deformation of the pipe:
3:3
Metal loss detection metalloss inspection
In-pipeline inspection for the purpose of detecting metal loss in the pipe wall:
3:4
Centerline detection centerlineinspection
Utilize the inertial detection unit mounted on the internal detector, combined with ground marking and coordinate measurement of marking points, the pipeline can be generated through data analysis
Elevation, plane coordinates:
3:5
calibration calibrate
Test and adjust the mechanical performance and detection performance of the detection equipment:
3:6
Pigging
Use equipment that can operate in the pipeline to clean up impurities, scale and wax condensation in the pipeline:
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