Adrian Wood Subsea Asia 2014 ssa thermal insulation... · ExxonMobil GP 65-08-01 (complete)
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Transcript of Adrian Wood Subsea Asia 2014 ssa thermal insulation... · ExxonMobil GP 65-08-01 (complete)
Adrian Wood
Subsea Asia 2014
Thermal Insulation – Increased Demand
Greater depths
Higher temperature
Higher pressure
Demanding environment
High performance materials
TRELLEBORG GROUP 2 11th June 2014
Insulating subsea equipment in deep water is essential to
provide flow assurance
TRELLEBORG GROUP 11th June 2014 3
Vikotherm™ R2 - Properties
Rubber based thermal insulation system
-49 °C to +155 °C at 3000msw
Excellent corrosion and HISC protection
Robust and flexible
Low thermal conductivity
High specific heat capacity
No limitation on coating thickness
Can be applied to most surfaces
11th June 2014 4 TRELLEBORG GROUP
Mobile equipment
Suitable for factory and site application
Vikotherm™ R2 - Processing
11th June 2014 5 TRELLEBORG GROUP
Vikotherm™ R2 – Qualification status
Trelleborg Offshore Norway AS 6
0
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2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00
elo
ng
ati
on
at
bre
ak
%
ln(days)
Elongation at break
ageing at 90°C
ageing at 110°C
Linear (ageing at 90°C)
Linear (ageing at 110°C)
30 years=10950 days ln(10950)=9.30
Ageing in nitrogen autoclave
Conclusion:
HT inner liner: SLT > 30 years at 155⁰C
LT inner liner: SLT > 30 years at 140⁰C
Insulation layer: SLT > 30 years at 110⁰C
Outer layer: SLT > 30 years at 140⁰C
Vikotherm™ R2 – Qualification status
ExxonMobil GP 65-08-01 (complete)
Operating pressure: 207 bar
Max. internal flow temp.: 100⁰C
Sea water temp.: 4⁰C
Min. SOT: 50⁰C
HFT: 19⁰C
Trelleborg Offshore Norway AS 7
Vikotherm™ R2 – SWISS JIP Qualification
Full scale qualification test SWIS JIP
Pressure: 300 bar
Internal: 150⁰C
External 4⁰C
Duration: 12 months
Monthly simulated shut-downs
Stable performance
No creep
Minimal changes, no degradation
Trelleborg Offshore Norway AS 8
Vikotherm™ R2 - Complex project
Vikotherm TM R2 applied on Asgard Gas Compression
Applied on pipes, valves, connectors, flanges, scrubber tanks and
Multi Phase Flow Meters
TRELLEBORG GROUP 9 11th June 2014
TRELLEBORG GROUP 11th June 2014 10
11th June 2014 TRELLEBORG GROUP 11
Solid silicone Insulation
-40°C - 150°C at 3,000msw
2 part RTV system
Low thermal conductivity
High specific heat capacity
No limitation on coating thickness
No glass microspheres
No exotherm or shrinkage
Vikotherm™ S1 - Properties
11th June 2014
Vikotherm™ S1 - Processing
0
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V
i
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a
.
s)
Time (min)
Gel time profiles
12.5C
20C
25C
30C
35C
40C
45C
11th June 2014 TRELLEBORG GROUP 12 11th June 2014
Vikotherm™ S1 - Multi lift moulds
11th June 2014 TRELLEBORG GROUP 13 11th June 2014
Vikotherm™ S1 - Bonded joints
11th June 2014 TRELLEBORG GROUP 14
Silicone to Silicone bonding is excellent
Simple joint preparation
Long window for moulding
11th June 2014
11th June 2014 TRELLEBORG GROUP 15
Weight loss over 6 months
Vikotherm™ S1 - Qualification
11th June 2014
(Hot wet ageing)
Vikotherm™ S1 - Adhesion
Adhesion to corrosion coated steel
Ring shear and pull Off
Consistent adhesion across wide temperature range
Test Temperature
Ring Shear
Stress (Mpa)
-10°C 4°C 23°C 135°C
0.947 1.014 0.836 0.651
11th June 2014 TRELLEBORG GROUP 16 11th June 2014
Vikotherm™ S1 - Qualification Status
ExxonMobil GP 65-08-01 (complete)
115°C and 135°C at 2,500 msw
Great track record, major projects
150°C at 3,000 msw (ongoing)
SWIS JIP (ongoing)
150°C and 3,000 msw
GAP Analysis done and tests ongoing for:
Shell, Total & Draft ISO specifications
11th June 2014 TRELLEBORG GROUP 17 11th June 2014