Adrian Wood
Subsea Asia 2014
Thermal Insulation – Increased Demand
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Greater depths
Higher temperature
Higher pressure
Demanding environment
High performance materials
Insulating subsea equipment in deep water is essential to
provide flow assurance
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TRELLEBORG GROUP
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TRELLEBORG GROUP
Vikotherm™ R2 - Properties
 Rubber based thermal insulation system
 -49 °C to +155 °C at 3000msw
 Excellent corrosion and HISC protection
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4
Robust and flexible
Low thermal conductivity
High specific heat capacity
No limitation on coating thickness
Can be applied to most surfaces
11th June 2014
TRELLEBORG GROUP
Vikotherm™ R2 - Processing
 Mobile equipment
 Suitable for factory and site application
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Vikotherm™ R2 – Qualification status
Ageing in nitrogen autoclave
elongation at break %
Elongation at break
140
120
100
80
ageing at 90°C
60
ageing at 110°C
40
Linear (ageing at 90°C)
Linear (ageing at 110°C)
20
0
2.00
3.00
4.00
5.00
6.00
ln(days)
7.00
8.00
9.00
30 years=10950 days ln(10950)=9.30
Conclusion:
HT inner liner:
LT inner liner:
Insulation layer:
Outer layer:
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SLT > 30 years at 155⁰C
SLT > 30 years at 140⁰C
SLT > 30 years at 110⁰C
SLT > 30 years at 140⁰C
Trelleborg Offshore Norway AS
10.00
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
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Trelleborg Offshore Norway AS
Vikotherm™ R2 – SWISS JIP Qualification
 Full scale qualification test SWIS JIP
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Pressure: 300 bar
Internal: 150⁰C
External 4⁰C
Duration: 12 months
 Monthly simulated shut-downs
 Stable performance
 No creep
 Minimal changes, no degradation
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Trelleborg Offshore Norway AS
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
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TRELLEBORG GROUP
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TRELLEBORG GROUP
Vikotherm™ S1 - Properties
 Solid silicone Insulation
 -40°C - 150°C at 3,000msw
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2 part RTV system
Low thermal conductivity
High specific heat capacity
No limitation on coating thickness
No glass microspheres
No exotherm or shrinkage
11th June 2014
TRELLEBORG GROUP
Vikotherm™ S1 - Processing
Gel time profiles
1000
900
V
i
s
c
o
s
i
t
y
800
700
12.5C
600
20C
25C
500
30C
400
(
35C
P
a
.
s
40C
300
45C
200
)
100
0
0
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TRELLEBORG GROUP
40
60
Time (min)
80
100
Vikotherm™ S1 - Multi lift moulds
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Vikotherm™ S1 - Bonded joints
 Silicone to Silicone bonding is excellent
 Simple joint preparation
 Long window for moulding
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TRELLEBORG GROUP
Vikotherm™ S1 - Qualification
 Weight loss over 6 months
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TRELLEBORG GROUP
(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)
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-10°C
4°C
23°C
135°C
0.947
1.014
0.836
0.651
TRELLEBORG GROUP
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
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TRELLEBORG GROUP

Supporting Information

Ballroom Dancing – Compact Discs and Instructional DVDs/Videos