GB/T 21445.2-2022 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21445.2-2022	RFQ	ASK	3 days	Petroleum and natural gas industries - Design and operation of subsea production systems - Part 2: Unbonded flexible pipe systems for subsea and marine applications	Valid
GB/T 21445.2-2008	RFQ	ASK	6 days	Petroleum and natural gas industries -- Design and operation of subsea production systems -- Part 2: Flexible pipe systems for subsea and marine applications	Obsolete

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Basic data

Standard ID: GB/T 21445.2-2022 (GB/T21445.2-2022)
Description (Translated English): Petroleum and natural gas industries - Design and operation of subsea production systems - Part 2: Unbonded flexible pipe systems for subsea and marine applications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E94
Classification of International Standard: 75.180.10
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Older Standard (superseded by this standard): GB/T 21445.2-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21445.2-2008: Petroleum and natural gas industries -- Design and operation of subsea production systems -- Part 2: Flexible pipe systems for subsea and marine applications

---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.
Petroleum and natural gas industries Design and operation of subsea production systems Part 2. Flexible pipe systems for subsea and marine applications ICS 75.180.10 E94 National Standards of People's Republic of China GB/T 21445.2-2008/ISO 13628-2.2000 Oil and gas industry subsea production systems Design and operation Part 2. Flexible pipe systems for subsea and offshore (ISO 13628-2.2000, IDT) Posted 2008-02-13 2008-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms, definitions, symbols and abbreviations 2 3.1 Terms and definitions 2 3.2 Symbols and abbreviations 6 4 functional requirements and recommendations 6 4.1 General 6 4.2 general requirements 7 4.3 General design parameters 7 4.4 Internal fluid parameter 7 4.5 External Environment 8 4.6 System Requirements and Recommendations 9 5 design requirements and recommendations 11 5.1 load and load effect 11 5.2 Design Method 13 5.3 Structure Design 14 5.4 System Requirements 17 6 material 20 6.1 Material requirements 20 6.2 Evaluation Requirements and Recommendations 23 6.3 Quality assurance requirements 28 7 manufacturing requirements 29 7.1 Quality Assurance 29 30 7.2 Skeleton 7.3 polymer extrusion 31 7.4 pressure and tensile armor layers 31 7.5 wear and an insulating layer 32 7.6 end fitting 32 7.7 special process 33 34 7.8 Manufacturing tolerances 7.9 Repair 34 8 file 35 8.1 General 35 8.2 Design premise 35 8.3 Design Load Report 35 8.4 Design Report 36 36 8.5 Manufacturing Quality Plan GB/T 21445.2-2008/ISO 13628-2.2000 8.6 Manufacturing specifications 36 8.7 finished documents 36 8.8 Operating Manual 37 9 Factory Acceptance Test 37 9.1 General 37 9.2 caliper test 37 9.3 Hydrostatic Testing 38 Unicom and 9.4 electrical impedance 38 9.5 Exhaust System Test 38 Labeling and packaging 10 39 10.1 mark 39 39 10.2 Packaging Appendix A (informative) Purchase Guide 40 Annex B (informative) Bending strengthen and bend limiter 46 References 50 Table 1 internal fluid parameter 7 Table 2 External environmental parameters 8 Table 3 flowline parameters 10 Table 4 riser parameter 10 Table 5 Classification load combinations and load conditions 11 Table 6-layer design guidelines for the flexible tube 13 Table 7 end fittings allow utilization factor 16 Tube design Table 8 System requirements related to 17 Table 9 performance requirements of the extruded polymer material 20 Table 10 wire, and the material properties of the metal strip of claim 22 weldment Table 11 extruded polymer material test program 24 Table 12 metal material (skeleton strips, pressure and tensile armor wires) and weld qualification test requirements 25 Table 13 the minimum requirements for the quality control of raw materials 28 Table 14 Material specification requirements 28 Table 15 Design premise documentation requirements 35 Table A. 1 purchase guide flexible tube 40 Table B. 1 bend limiter 46 purchases Guide GB/T 21445.2-2008/ISO 13628-2.2000

Foreword

GB/T 21445 "oil and gas industry design and operation of subsea production systems" is divided into nine sections. --- Part 1. General requirements and recommendations; --- Part 2. Flexible pipe systems for subsea and offshore; --- Part 3. Through flowline (TFL) systems; --- Part 4. subsea wellhead and Christmas tree equipment; --- Part 5. subsea control umbilicals; --- Part 6. subsea production control systems; --- Part 7. workover/completion riser system; --- Part 8. subsea system interface equipment ROV (ROV); --- Part 9. Remotely operated tool (ROT) intervention system. This section GB/T Part 221 445, which corresponds to ISO 13628-2.2000 "oil and gas industry subsea production systems Design and operation - Part 2. submarine and offshore flexible pipe systems "(in English). This part identical with ISO 13628-2.2000 Design and operation of "oil and gas industry subsea production systems - Part 2. In the sea and sea Flexible pipe systems "(in English). This section is equivalent translation ISO 13628-2.2000 "Design and operation of oil and gas industry subsea production systems - Part 2. In the sea and sea Flexible pipe systems "(in English). For ease of use, this section made the following editorial changes. --- "This part of ISO 13628" to "GB/T 21445 in this section"; --- Delete international standards foreword. This section of the Appendix A, Appendix B is an informative annex. This part is proposed by the China National Petroleum Corporation. This part of the jurisdiction of the Petroleum Industry Standardization Technical Committee Marine Standardization Technical Committee of Petroleum Engineering. This section drafted by. CNOOC Research Center. The main drafters of this section. Fu Yu Hua. GB/T 21445.2-2008/ISO 13628-2.2000 Oil and gas industry subsea production systems Design and operation Part 2. Flexible pipe systems for subsea and offshore

1 Scope

This section GB/T 21445, provides the minimum requirements for a flexible tube and built in the design, material selection, manufacturing, testing, marking and packaging Meetings, and details the technical requirements and recommendations interchangeable flexible tube in terms of security as well as the size and functionality. This section applies to a flexible pipe sections at both ends with end fittings consisting of a non-adhesive flexible tube assembly. ......

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