SUBSEA CONTROL SYSTEM TIE- BACKS TO LATE-LIFE ASSETS · Managing the unknown SUBSEA CONTROL SYSTEM...
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Managing the unknown SUBSEA CONTROL SYSTEM TIE- BACKS TO LATE-LIFE ASSETS
Transcript of SUBSEA CONTROL SYSTEM TIE- BACKS TO LATE-LIFE ASSETS · Managing the unknown SUBSEA CONTROL SYSTEM...
Managing the unknown
SUBSEA CONTROL SYSTEM TIE-
BACKS TO
LATE-LIFE ASSETS
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SUBSEA CONTROL TIE-BACKS
SCM
#1
SCM
#2
SCM
#3
SCM
#4
SCM
#5
UTA
SCM
#7SCM
#6
SCM
#8
KHUMBU
PLATFORM
MAKALU
LHOTSE
SAGARMATHA
SCM
#9
SCM
#10
SCM
#9
SCM
#10
PUMORI
How will the legacy
system react to the new
load?
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THE UNKNOWNS
SCM
#1
SCM
#2
SCM
#3
SCM
#4
SCM
#5
SCM
#6
SCM
#7
SCM
#8
HPU reservoir
capacity
requirement?
Insulation
Resistance?
Additional LP
accumulation?Subsea comms
bandwidth?
Electrical tie-in
points at UTA?
Control fluid
contamination
at SCMs ?
MCS capacity
for addition
well pages?
Operating
System future-
proofing?
Sub-system
redundancy?What pre-
charge pressure
is left?
ESD closure
time? Control fluid
leakage?
Component
fault history?
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ANSWERING THE QUESTIONS
SCM
#1
SCM
#2
SCM
#3
SCM
#4
SCM
#5
SCM
#6
SCM
#7
SCM
#8
HPU reservoir
capacity
requirement?
Insulation
Resistance?Additional LP
accumulation?
Subsea comms
bandwidth?
Electrical tie-in
points at UTA?
Control fluid
contamination
at SCMs ?
MCS capacity
for addition
well pages?
Operating
System future-
proofing?
Sub-system
redundancy?
What pre-
charge pressure
is left?
ESD closure
time?
Control fluid
leakage?
Component
fault history?
From Analysis From Integrity Management
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THE UNCERTAINTY BALANCE
Design
ConservatismDegradation
New
infrastructure
required
CAPEX
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THE UNCERTAINTY BALANCE
Design
Conservatism
Degradatio
n
Unexpected
breakdown &
production loss
OPEX
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ADDRESSING THE CAPACITY QUESTIONS
❖ Validation of the electrical and hydraulic analyses with real-world input / output data.
❖ Refining the software models to quantify the actual operational headroom.
❖ Interface and set-up optimisation.
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ADDRESSING THE INTEGRITY QUESTIONS
• Systematic collection of data.
• Turn data in meaningful KPIs.
• Record fault history.
• Record the maintenance & repair history.
• Compile all the information in one place.
• Identify and monitor threats levels.
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Threat
Monitoring
THE PRIZE
Informed investment decisions based on the best use of the available evidence.
Adaptive Analysis
www.viperinnovations.com
Enabling Subsea Assets to
Work Better for Longer
