SY/T 6662.5-2024Non-metallic composite pipes for oil and gas industry - Part 5: Reinforced ultra-high molecular weight polyethylene - Composite Continuous Tube (English PDF)
石油天然气工业用非金属复合管 第5部分：增强超高分子量聚乙烯 复合连续管
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Issued by
General Administration of Customs
Level / Type
National · Recommended
Issue date
December 25, 2024
Implementation date
June 25, 2025
Scope
SY/T 6662.5-2024 is the English-translated version of 石油天然气工业用非金属复合管 第5部分：增强超高分子量聚乙烯 复合连续管.
SY/T 6662.5-2024 is the Chinese standard "Non-metallic composite pipes for oil and gas industry - Part 5: Reinforced ultra-high molecular weight polyethylene - Composite Continuous Tube".
It was issued by General Administration of Customs. Issued on 2024-12-25, in force from 2025-06-25.
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Document preview — SY/T 6662.5-2024
National Standard of the People's Republic of China
Issued by: General Administration of Customs
Contents
- 1 Scope
- 2 Normative References
- 3 Terms, Definitions, Symbols, and Abbreviated Terms
- 3.1 Terms and Definitions
- 3.2 Symbols and Abbreviated Terms
- 4 Product Structure and Code Designation
- 4.1 Product Structure
- 4.2 Product Code Designation
- 5 Raw Materials
- 5.1 Liner
- 5.2 Reinforcement Layer
- 5.3 Adhesive Layer
- 5.4 Outer Sheath
- 5.5 End Fittings
- 5.6 Seals
- 6 Coiled Pipe
- 6.1 Determination of Nominal Pressure Rating (NPR)
- 6.2 Determination of Maximum Operating Pressure (MOP)
- 6.3 Visual Appearance Quality
- 6.4 Specifications and Dimensions
- 6.5 Minimum Bend Radius
- 6.6 Performance
- 6.7 Requirements for Full Reel Pressure Test
- 7 Inspection and Testing
- 7.1 Visual Appearance Quality
- 7.2 Specifications and Dimensions
- 7.3 Resistance to Splitting under Compression
- 7.4 Longitudinal Reversion
- 7.5 Short-Term Hydrostatic Strength
- 7.6 Short-Term Burst Pressure
- 7.7 Minimum Bend Radius (MBR)
- 7.8 Short-Term Cyclic Pressure
- 7.9 1000h Survival Test
- 7.10 Gas Tightness Performance
- 7.11 Tensile Properties
- 7.12 Full Reel Pressure Test
- 8 Inspection Rules
- 8.1 Classification of Inspections
- 8.2 Factory Inspection
- 8.3 Type Tests
- 9 Marking, Packaging, Transportation, and Storage
- 9.1 Marking
- 9.2 Packaging
- 9.3 Transportation
- 9.4 Storage
1 Foreword
SY/T 6662.5-2024 was issued by General Administration of Customs on 25 December 2024 and has been in force since 25 June 2025.
It is one of 8 parts of the SY/T 6662 series.
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
2 Scope
This document specifies the product structure, raw materials, technical requirements, inspection and testing, inspection rules, marking, packaging, transportation, and storage of reinforced ultra-high molecular weight polyethylene composite coiled pipes (hereinafter referred to as "coiled pipes") and their end fittings. This document is applicable to the manufacture and inspection of reinforced ultra-high molecular weight polyethylene composite coiled pipes used in systems such as gathering and transportation, injection, and produced water disposal in oil and gas field surface engineering.
3 About this standard
Sector: Oil & Gas Industry Standard (Recommended)
Issued by: General Administration of Customs
English translation: about 15 pages (approximate)
4 Related standards
Other parts of this standard:
SY/T 6662.1-2022 — Non-metallic composite pipes for the oil and gas industry - Part 1: Steel skeleton reinforced polyethylene composite pipes
SY/T 6662.2-2020 — Non-metallic composite pipes for petroleum and natural gas industry - Part 2: Flexible composite high-pressure conveying pipes
SY/T 6662.3-2012 — Non-metallic composite pipes for petroleum and natural gas industries. Part 3: Reinforced MC nylon pipes and nylon-steel composite pipes
SY/T 6662.4-2024 — Part 4: Steel wire/steel belt reinforced thermoplastic composite continuous pipe
SY/T 6662.6-2014 — Non-metallic composite pipes for petroleum and natural gas industries. Part 6: Flexible coiled composite pipes and end fittings used in the well
SY/T 6662.7-2024 — Non-metallic composite pipes for petroleum and natural gas industries - Part 7: Thermoplastic lined fiberglass composite pipes
SY/T 6662.8-2016 — Non - metallic composite pipes for industrial use in oil and gas industry - Part 8: Ceramic lined pipes and fittings
5 Classification and status
Prefix SY/T: recommended standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
SY/T 6662.6-2014 — Non-metallic composite pipes for petroleum and natural gas industries. Part 6: Flexible coiled composite pipes and end fittings used in the well
SY/T 6662.4-2014 — Non-metallic composite pipes for petroleum and natural gas industries. Part 4: Steel skeleton reinforced thermoplastic resin coiled composite pipes and end fittings
SY/T 6662.7-2024 — Non-metallic composite pipes for petroleum and natural gas industries - Part 7: Thermoplastic lined fiberglass composite pipes
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SY/T 6662.5-2024
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