Thermoplastic Composite Pipe: Enabler for Enhanced Oil ... von onn… · • System must allow all...
Transcript of Thermoplastic Composite Pipe: Enabler for Enhanced Oil ... von onn… · • System must allow all...
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Thermoplastic Composite Pipe: Enabler for Enhanced Oil Recovery
Martin van Onna
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Airborne’s Thermoplastic Composite Pipe™ concept
One plastic compound in liner, composite and coating
Glass fibres provide strength and stiffness
Benefits: Lightweight
No corrosion
Spoolable
Superior fatigue
Liner
Composite
Coating
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Airborne Thermoplastic Composite Pipe™ Concept
Fully bonded flexible pipe (melt-fused): one solid wall
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Airborne Thermoplastic Composite Pipe™ Concept
Fully bonded flexible pipe (melt-fused): one solid wall
Smooth bore
High collapse
Vacuum capability
No Rapid Gas
Decompression issues
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TCP Downline: THE solution to maximize production
High flow: one 3” ID coil = 20+ BPM
Multiple operations per year, for years, with one downline: superior fatigue performance
Easy and safe to operate: light-weight, no spring effect, no heavy weight requirements
Fast running: 2,5 hrs to 2100 meters water depth
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TCP Downline: THE solution to maximize production
Reducing cost per intervention: • No logistics
• Fastest running
Increased oil recovery
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1. Reeler
2. Downline
3. Bend restrictors
4. Lifting Collar
5. Jumper
System overview
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6. Overboarding chute
7. Tensioner
8. Deck arch
System overview
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Preparation for deployment
Deployment – running the downline
System overview
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Challenge: Dynamic stability
Lightweight pipe is more susceptible to currents • System must allow all current directions; vessel cannot always be
turned
Vessel motions can result in large hang-off angles • Low terminal velocity, issues on the overboarding chute to be
avoided
Fluid versus gas operation • When gas-filled the downline is buoyant
• Avoid downline jumping on the chute – risk of overbending
Fast deployment benefit not to be lost
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Solution: Dynamic stability
Configuration without mid-water arch
Clump weight 4-6 mt continuously attached to downline
Dynamic analysis to cover worst cases
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Vessel
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Solution: Dynamic stability
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If possible, turn vessel to ensure proper exit from overboarding chute
Use bellmouth
Overboarding chute to ensure that downline never touches hull
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Challenge: Fatigue loading in operation
Reeling / unreeling
Vessel motions
Downline used for injection of large volumes, long duration overboard
Both bending fatigue, tension fatigue & combination
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Vessel
Low cycle bending (reeling / unreeling)
High cycle bending + tension (dynamics)
High cycle tension (dynamics)
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Solution: Fatigue mitigation in operation
Reeler barrel diameter to cover all reeling / unreeling cycles • E.g. 15 years x 14 deployments x
4 cycles = 840 cycles
Overboarding chute to cover all high cycle loading from dynamics • E.g. 15 years x 14 deployments x
3 days per deployment x wave frequency = 1+ million cycles
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The operation
Deployment – fluid / gas injection
Deployment – currents
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Operation – damages during use
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Operation – other damages
Tensioner pads missing Protruding bolts
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Operation – other damages
Blister due to tensioner malfunction – repaired offshore
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Conclusions
Composite Downline proven in 2140 meter water depth • 33 deployments completed successfully to date
• 100 days fully deployed
Dynamic stability addressed as key issue
Pipe system rugged – can cope with offshore handling
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The Future is Here
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Sales & Business Development Rogier Cornelisse [email protected]
Bart Steuten [email protected]
Martin van Onna [email protected]
Address
Monnickendamkade 1, 1976 EC IJmuiden, The Netherlands
+31 (0)255 763 500
www.airborne-oilandgas.com 21