Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 33791-2017 English PDF

Q: How long will the true-PDF of English version of GB/T 33791-2017 be delivered?

Upon your order, we will start to translate GB/T 33791-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 33791-2017_English with my colleagues?

Yes. The purchased PDF of GB/T 33791-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$379.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33791-2017: Technical specification for cathodic protection of steel well casings
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33791-2017	379	Add to Cart	4 days	Technical specification for cathodic protection of steel well casings	Valid

Similar standards

GB/T 37309 GB/T 35505 GB/T 31554 GB/T 45340 GB/T 45333

Basic data

Standard ID: GB/T 33791-2017 (GB/T33791-2017)
Description (Translated English): Technical specification for cathodic protection of steel well casings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A29
Classification of International Standard: 25.220.99
Word Count Estimation: 19,169
Date of Issue: 2017-05-31
Date of Implementation: 2017-12-01
Quoted Standard: GB/T 21448-2008; GB/T 50698; SY/T 0017; BS EN 15112; NACE RP0186
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination, criteria and general requirements for cathodic protection of the outer surface of steel and gas wells. This standard applies to oil and gas wells steel casing outer surface cathodic protection system.

GB/T 33791-2017: Technical specification for cathodic protection of steel well casings

---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.
Technical specification for cathodic protection of steel well casings ICS 25.220.99 A29 National Standards of People's Republic of China Technical specification for corrosion protection of cathodic protection for steel well casing 2017-05-31 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 Evaluation of Corrosivity 3 5 Determination of the necessity of cathodic protection 3 6 cathodic protection criteria and design current demand calculation method 4 Design of cathodic protection system for oil well casing 8 Installation of Cathodic Protection System 6 Control of Stray Current Operation and maintenance of cathodic protection system 11 Corrosion Control Record 9 Appendix A (informative) Casing potential profile Figure 11 Appendix B (informative) E-LogI Test 15

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is nationalized by the National Anti-Corrosion Standardization Technical Committee (SAC/TC381). The drafting of this standard. Shenyang Branch Corrosion Control Engineering Technology Center, the National Metal Corrosion Control Engineering Technology Research Center, the Chinese Section Institute of Metal Research Institute, the corrosion of the International Institute of anti-corrosion Technology (Beijing) Co., Ltd., Beijing Bihaihai Corrosion Protection Industry Co., Ltd., China Industrial Anti-corrosion Technology Association, Zhejiang eternal Paint Co., Ltd. for China. The drafting of this standard. Zhao Jian, Ren Zhenduo, Hu Jiaxiu, Chang Shouwen, Han Enhou, Ke Wei, Di Jianjun, Liu Yanjiang, Jinhui, Technical specification for corrosion protection of cathodic protection for steel well casing

1 Scope

This standard specifies the determination, criteria and general requirements for cathodic protection of the outer surface of steel and gas bushings. This standard applies to oil and gas wells steel casing outer surface cathodic protection system.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Technical code for cathodic protection of buried steel pipes GB/T 21448-2008 GB/T 50698 Technical standard for AC interference protection of buried steel pipelines Technical standard for DC drainage protection of buried steel pipe in SY/T 0017 BSEN15112 Oil well sleeve External protection for external corrosion (Externalcathodicprotectionofwelcasings) NACERP0186 oil well casing outer surface cathodic protection application (Applicationofcathodicprotectionforex- ternalsurfacesofsteelwelcasings

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Casing casing From the surface into the drilling hole has been lining the wall of the steel pipe. 3.2 Coupling coupling Used to connect two rounded barrels with internal threads. 3.3 Natural potential self-potential The potential of the metal surface relative to the reference electrode in the electrolyte under open conditions is indicated in the present standard when the cathodic protection is applied to the electrolyte The potential of the metal structure relative to the reference electrode. 3.4 Pipe-to-soilpotential The potential of the pipeline relative to the electrolyte of its adjacent soil. 3.5 Cathodicprotection cathodicprotection A technique for reducing metal surface corrosion by making the metal surface a cathode of an electrochemical cell. 3.6 Anode anodes An electrode in an electrochemical cell that undergoes an oxidation reaction (ie, an electron loss). ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33791-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33791-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 33791-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33791-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.