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Repsol Sinopec Resources UK
Decommissioning in Practice – Getting the Job Done
Colin Hopkins – Project Manager
1
Technology Integration + Innovative Thinking = Optimised Post-CoP Management
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Repsol Sinopec Resources UK
RSRUK has one of the largest decommissioning portfolio of assets in the UKCS
Asset Summary
8 No. in Operation
4 No. in Late Life / Decommissioning
2 No. in NNA Mode of Operation
CoP 2017
CoP 2015
CoP 2016
CoP 2018
FULMAR PUMPING STATION
Late Life / Decommissioning Assets
2
Assets in NNA Mode of Operation
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Repsol Sinopec Resources UK
Value Creation
3
Creative Out of the Box Thinking
Challenging the Norm / Changing the mindset
Leveraging the right Technology / Innovation
Leveraging People knowledge / Experience
Robust Project Management & Delivery
Supply Chain Collaboration / Contracting Strategies
Select / Define Phase: Front end loading
Leveraging Value through Operator Collaboration
Overall Business Value Creation
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Repsol Sinopec Resources UK
Not Normally Attended (NNA)
4
Beatrice Field (Alpha, Bravo, Charlie & WTG)
Beatrice Alpha in Warm Suspension; NNA
Alpha Mech’ Plugged, Bravo / Charlie Decom
Manned during Spring / Summer Seasons
Non-platform based
100% Renewable (Wind / Solar)
Via Nigg / Repsol Office
Vessel
87% Reduction
Saltire Platform
Platform in Warm Suspension; NNA
Saltire Wells Mechanically Plugged
3 / 3 Rotation; Unmanned every three weeks
Platform Based
Tethered by Piper Bravo
Via Piper Bravo / Repsol Offices
Helicopter
79% Reduction
Platform:
Operating Mode:
Wells Status:
Manning Status:
Well Decommissioning Strategy:
Primary Power Generation:
Remote Monitoring:
Primary Access:
Post CoP Savings Realised:
Two Projects, two different Solutions to Cost Reduction
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Repsol Sinopec Resources UK
Beatrice Alpha: Technology and Integration
5
Wireless Well Monitoring
Navigation Aids
Weather MonitoringSolar Power Generation / AIS
Guides Wave RadarPower Gen Re-charge
Beatrice Alpha –Production Platform (AP)
Beatrice Alpha –Drilling Platform (AD)
Accommodation Module
Boat Landing Platform
Security Systems
Navigation Aids / AIS
Wind Power Generation
Derrick Removal
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Repsol Sinopec Resources UK
Beatrice Alpha and Saltire: Remote Monitoring
6
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Repsol Sinopec Resources UK
Roadmap of Savings – Post-CoP Value Creation
7
Saltire & Beatrice roadmap of savings from warm stack to NNA mode
100%
-52%
-87% -87%
0
5
10
15
20
25
30
35
40
2014 202020172015 2016 2018 2019
-52% -87%
Post-CoP Running Cost actuals (%)
Post-CoP Running Cost forecast (%)
Actuals – Warm stack Forecast – NNA mode
Beatrice Post-CoP Running Cost reduction glide path
100%
-60%
-79% -79%
0
2
4
6
8
10
12
14
16
18
20
22
24
26
20182014 20202015 2016 2017 2019
-60% -79%
Post-CoP Running Cost actuals (%)
Post-CoP Running Cost forecast (%)
Actuals – Warm stack
Saltire Post-CoP Running Costsreduction glide path
NNA modifications
Installed in 2018
NNA modifications
Installed in 2018
Formal CoPapproved
November 2016
Forecast – NNA mode
-60% OGUK Guidelines-60% OGUK Guidelines
Saltire Beatrice
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Repsol Sinopec Resources UK
Roadmap of Savings – Post-CoP Value Creation
8
Saltire & Beatrice roadmap of savings from warm stack to NNA mode
‣ Optimize management of maintenance and integrity fit for Post CoP asset purpose allow massive reduction on safety critical and overall backlog
‣ Improved risk profile of assets by reducing personnel exposure by converting the platforms to Normally Not Attended mode of operations
‣ Using Enabling Technologies and Digital Solutions to enhance operations management of Post CoP assets
2015 2016 2017 2018 2019
(ho
urs
)
Post CoP Assets Maintenance and Integrity Evolution Enacted NNA
mode on both
Beatrice and
Saltire
7383
66 62
12.5
2015 2016 2017 2018 2019
Post CoP Assets POB Evolution
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Repsol Sinopec Resources UK
Conclusions
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‣ Innovative Thinking
‣ Technology Integration
‣ Optimised Post-CoP Management
‣ Getting the job done