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GB/T 43925-2024 PDF English

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GB/T 43925-2024: Test method for full-scale tensile stress corrosion testing of casing and tubing
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GB/T 43925-2024English359 Add to Cart 4 days [Need to translate] Test method for full-scale tensile stress corrosion testing of casing and tubing

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Basic data

Standard ID GB/T 43925-2024 (GB/T43925-2024)
Description (Translated English) Test method for full-scale tensile stress corrosion testing of casing and tubing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard E92
Classification of International Standard 75.180.10
Word Count Estimation 18,163
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 43925-2024: Test method for full-scale tensile stress corrosion testing of casing and tubing



---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 75:180:10 CCSE92 National Standards of People's Republic of China Full-size tensile stress corrosion of casing and tubing experiment method casing and tubing 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 Test Principle 1 5 Test conditions 2 5:1 Test solution 2 5:2 Test gas 2 5:3 Test temperature and pressure 2 5:4 Test axial tensile stress 2 5:5 Test cycle 2 6 Test equipment and testing instruments 2 6:1 General Requirements 2 6:2 Heating and keeping warm 3 6:3 Medium filling and pressure increase 3 6:4 Tensile stress loading 3 7 Sample 4 7:1 General requirements 4 7:2 Specimen length 4 7:3 Sample preparation 4 7:4 Calculation of specimen loading 5 8 Test Procedure 5 9 Sample Evaluation 6 9:1 Macroscopic observation and measurement 6 9:2 Deformation detection 7 9:3 Destructive testing 7 10 Test Report 7 10:1 Requirement 7 10:2 Sample Information 7 10:3 Test conditions 7 10:4 Test results 7 Appendix A (Informative) Sample Information Record Form 8 References 9

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 Corporation Engineering Materials Research Institute Co:, Ltd:, China National Petroleum Corporation Tarim Oilfield Services Tian Branch, China National Petroleum Corporation Changqing Oilfield Branch, Xi'an Sanhuan Oil Pipe Technology Co:, Ltd:, Baoshan Iron and Steel Co:, Ltd:, Tianjin Steel Pipe Manufacturing Co:, Ltd:, Xi'an Shiyou University, Hengyang Valin Steel Pipe Co:, Ltd:, Jiangsu Changbao Steel Pipe Co:, Ltd: company: The main drafters of this document are: Han Yan, Fu Anqing, Zhao Xuehui, Lv Naixin, Zhao Mifeng, Yang Lihua, Dong Hui, Qi Yameng, Lv Chuantao, Xu Ting, Fang Wei, Zheng Qiuyan, Li Jun, Long Yan, Bai Zhenquan, Yin Chengxian, Yuan Juntao, Li Xuanpeng, Wang Yuan, Shi Dongfeng, Cai Yu, Ma Qingwei: Full-size tensile stress corrosion of casing and tubing experiment method Warning: This test involves high temperature, high pressure and corrosive media: This document does not indicate all possible safety issues: The user is responsible Take appropriate safety and health measures and ensure compliance with the conditions stipulated by relevant national laws and regulations:

1 Scope

This document describes the principles, test conditions, test equipment, specimens, test procedures, and methods for the full-scale tensile stress corrosion test of casing and tubing: sequence, specimen evaluation and test report: This document applies to the corrosion resistance of full-size casing and tubing that are in contact with corrosive media and are subjected to axial tensile stress: It is suitable for the test evaluation of the sealing performance of the joints of casing and tubing with couplings:

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 6682 Specifications and test methods for water used in analytical laboratories GB/T 11344 Nondestructive testing - Ultrasonic thickness measurement GB/T 18590 Corrosion pitting assessment methods for metals and alloys GB/T 19830 Steel pipes for oil and gas well casing or tubing in the petroleum and natural gas industry NB/T 47013:4 Nondestructive testing of pressure equipment Part 4: Magnetic particle testing NB/T 47013:5 Nondestructive testing of pressure equipment Part 5: Penetrant testing

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 Metal corrosion caused by the combined action of corrosive environment and tensile stress: Note: This will lead to the formation of cracks, causing a decrease in the bearing capacity of the metal structure: 3:2 Pitting corrosion Localized corrosion results in pitting, such as cavities that extend from the metal surface to the interior: [Source: GB/T 10123-2022, 4:15]

4 Test Principle

Use casing and tubing high temperature and high pressure full-scale tensile stress corrosion test equipment (or similar test equipment) to simulate casing and tubing service ...

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