wall thickness calculation
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE
DNV-OS-F101
Scope: Systems in the petroleum and natural gas industries - submarine Phases: Concept development, design, construction, operation Pipeline Types: Rigid metallic pipe Limited: - Dimension: 15 < D/t2 < 45
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
Design Parameter
Pressure Containment
(Bursting Pressure)
System Collapse
Propagation Buckling
Combine Load Criteria
Load Control Criteria
Displacement Control Criteria
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
Design Parameter
Safety Class
Location Class Fluid type
Incidental Factor
Material Resistance
Factor
Temperature Derating
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Location Class
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Fluid type
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Safety Class
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Incidental Factor ginc
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Material Resistance Factor gm
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
1. Design Parameter
• Temperature Derating
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
2. Pressure Containment (Bursting Pressure)
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
3. System Collapse
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
4. Propagation Buckling
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
5. Combine Load Criteria
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
• Load Control Criteria (Internal pressure)
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
• Load Control Criteria (Internal Pressure)
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
• Load Control Criteria (External Pressure)
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
• Displacement Control Condition
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WALL THICKNESS CALCULATION OFFSHORE PIPELINE DNV-OS-F101
Recommendation Thickness
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ASME COMPARISION
ASME B31.4 ASME B31.8
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QUESTION
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THANK YOU FOR YOUR ATTENTION!
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