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GB/T 44317-2024Thermoplastics lined tubing (English PDF)

热塑性塑料内衬油管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 23, 2024

Implementation date

March 1, 2025

Scope

GB/T 44317-2024 is the English-translated version of 热塑性塑料内衬油管.

GB/T 44317-2024 is the Chinese national standard covering thermoplastics lined tubing. Issued on 23 August 2024, it has been in force since 1 March 2025.

Document preview — GB/T 44317-2024

National Standard of the People's Republic of China

ICS
75.180.10
Classification
E 92

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • PrefaceIII
  • 1 Scope1
  • 2 Normative references1
  • 3 Terms, definitions, symbols and abbreviations1
  • 3.1 Terms and Definitions1
  • 3.2 Symbols2
  • 3.3 Abbreviations2
  • 4 Product form3
  • 5 Material requirements4
  • 5.1 Base tube4
  • 5.2 Liner pipe4
  • 5.3 CB ring4
  • 6 Manufacturing process5
  • 6.1 Base tube preparation5
  • 6.2 Thread processing5
  • 6.3 Lining process5
  • 6.4 CB ring manufacturing and coupling screwing5
  • 6.5 Traceability6
  • 6.6 Purchaser Inspection6
  • 7 Technical requirements and inspection tests6
  • 7.1 Base tube6
  • 7.2 Liner pipe6
  • 7.3 Thermoplastic lined oil pipe7
  • 7.4 CB ring10
  • 7.5 Inspection frequency and judgment rules10
  • 8 Records12
  • 8.1 Information provided by the purchaser12
  • 8.2 Documents provided by the manufacturer12
  • 9 Marking, packaging, transportation, storage and use12
  • 9.1 Logo12
  • 9.2 Packaging12
  • 9.3 Transportation13
  • 9.4 Storage13
  • 9.5 Use13
  • Appendix A (Informative) Maximum operating temperature and performance of typical thermoplastics14
  • Appendix B (Informative) Test Method for Gas Permeability of Polymer Materials23
  • Appendix C (Informative) Use of Thermoplastic Lined Oil Pipes25
  • References26

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 is required.

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 on Petroleum and Natural Gas Standardization (SAC/TC 355).

This document was drafted by: China National Petroleum Corporation Engineering Materials Research Institute Co., Ltd., Dongying Kechuang Petroleum Equipment Co., Ltd., Shaanxi Tai Heyuan Petroleum Engineering Technology Co., Ltd., China National Petroleum Corporation Tarim Oilfield Branch, China National Petroleum Corporation Changqing Oilfield Branch, Chang'an University, Shengli Oilfield Shengji Petroleum Equipment Co., Ltd., PetroChina Co., Ltd.

Liaoyang Petrochemical Company.

The main drafters of this document are: Li Houbu, Ding Xiuliang, Zhang Xuemin, Wang Yong, Tan Chuanjiang, Liu Guangsheng, Zhao Mifeng, Gan Qingming, Yang Haitao, Feng Xueguang, Kong Lushi, Lu Yulei, Zhang Xiqing, Zhu Wenfeng, Cai Xuehua, Wang Zexin, Li Zhenzhong, Fang Wei, Xu Ting, Zhao Jing. Thermoplastic lined oil pipe

1 Scope

This document specifies the product form, material requirements, manufacturing process, technical requirements and inspection tests, records, Marking, packaging, transportation, storage and use.

This document applies to the manufacture and inspection of downhole thermoplastic lined tubing for injection and production of oil, gas, water, hydrocarbon liquids and multiphase fluids.

2 Normative references

GB/T 2828.1

GB/T 8806

GB/T 9253

GB/T 17745

GB/T 19830

GB/T 20972.2

GB/T 21267

GB/T 23512

GB/T 34903.1

3 Terms, definitions, symbols and abbreviations

3.1 Terms and Definitions

The following terms and definitions apply to this document.

3.1.1 Backing pipe

For metal oil pipe lined with thermoplastic pipe (3.1.3).

3.1.2 Thermoplastics

It can be repeatedly heated to soften and cooled to harden within the entire characteristic temperature range, and can be molded, extruded or overmolded in the softened state.

Plastics that can be repeatedly molded into products through flow.

[Source. GB/T 2035-2008, 2 1057, 2 1058, with modifications]

3.1.3 Thermoplastic pipe

Pipes extruded with thermoplastics (3.1.2) as the main raw material.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 31 pages — is available in the English PDF.

Referenced standards

Editions of GB/T 44317

EditionTitleRevisionStatus
GB/T 44317-2024Thermoplastics lined tubingcurrent editionCurrent

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