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Copyright of AS Norske Shell
Draugen Subsea Boosting
Shell @ FFU 2017
Jan-Olav HallsetTeam Lead - Subsea Controls & UmbilicalsA/S Norske Shell
1February 2017Draugen Subsea Boosting
Copyright of AS Norske Shell
Jan-Olav Hallset, CV
1992: PhD, NTNU, Dept. of Engineering Cybernetics.
1993 - 2014: Oceaneering, Hitec, Poseidon, Siemens
2014 - now: Norske Shell - Team Lead for Subsea
Controls & Umbilicals.
February 2017 3Draugen Subsea Boosting
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Shell OperatedAssets in Norway
February 2017 4Draugen Subsea Boosting
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Knarr FPSO, Norwegian North Sea
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1 Draugen – Norwegian Sea Ormen Lange and Nyhamna 32
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Draugen Field
February 2017 5Draugen Subsea Boosting
Haltenbanken area, 140km North of Kristiansund
Discovered in 1984 and production start 1993
First and only Single-leg GBS platform
Water Depth ~ 250-280 m
Peak Production 225 000 bbl/day
Continuous project activity and investments
underway to make Draugen a high integrity
producer
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Partners
February 2017 6Draugen Subsea Boosting
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Draugen Infill Drilling Campaign
February 2017 7Draugen Subsea Boosting
4x New Subsea Production Wells
Subsea Boosting Pump
Subsea Tee Manifold @ Rogn South
19 km of New Flowlines
11 km of New Umbilicals
52 tie-ins
113 GRP Covers
245 000 m3 Rock Installation
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Vision, Mermaid and Clipper
February 2017 8Footer
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Draugen Pump System - Simplified
10Draugen Subsea Boosting February 2017
MPP1
MPP2
Flow Splitter
Flow Mixer
Bypass
From Wells To Draugen
Re-circulation loop
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Subsea Pump System and Purpose
Reservoir
2. Power
Umbilical
What we want: Reduce back pressure “seen” by reservoir => MORE OIL IN TOTAL
Accelerate End-of-Field Life production => MORE OIL PER DAY
3. Pump
Station
Production flowline
1. Power and
Control Module
11February 2017
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Draugen Pump Manifold installed – July 2014
February 2017 12Draugen Subsea Boosting
Size Protection Structure: 15m x 33m x11m
Size Pump Manifold: 13m x16m x 8m
Weight Protection Structure: 294 MT
Pump Station Weight: 301 MT
2 year after contract award
Safe and on schedule
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Topside – Power & Control Module (PCM)
February 2017 13Draugen Subsea Boosting
Name Dim (WxL x H) [m] Weight Power Control Module 12x9x7 200 MT
2 Siemens Variable Speed Drives
Barrier Fluid System
Control Fluid System
Pump Controls
Air cooling unit and other utilities
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PCM Installed – May 2016
February 2017 14Draugen Subsea Boosting
Size of Power and Control Module: 9m x 12m x 7m
Weight: 200 MT
After 2 years in storage
Successfully lifted onto Draugen
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Pump Umbilical installed – July 2016
February 2017 15Draugen Subsea Boosting
Length ~4km; Diameter 169 mm
Termination Assembly ~20MT
Services: Medium Voltage, Low Voltage, Fiber optic,
Hydraulics, Chemicals
Successfully tested & installed after 2 years in storage
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Helico-Axial Multiphase Pumps
February 2017 16Draugen Subsea Boosting
Design pressure: 220 barg
Process operating temperature: 4 to 75 ºC
Max pump differential pressure: 50 bar
Pump suction pressure: 21 - 29 bara
Pump suction GVF: 10 - 32% (75%)
Pump flow rate: 643 - 855 Am3/h
Pump speed: 1500 – 4200 rpm
Pump motor shaft power: 2300 kW
Water Depth: 268 m
2 x Subsea Pump Modules
Size: ~4,3m x 3,3m x 6,3 m
Weight ~43 MT
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Vision 2nd Campaign – Pump Modules
February 2017 17Footer
2 x Subsea Pump Modules
Size: ~4,3m x 3,3m x 6,3 m
Weight ~43 MT
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Extensive Hook-up & Testing, Example: Control & Power
18Draugen Subsea Boosting February 2017
VSD1 VSD2 HPU Control Fluid
HPU Barrier Fluid
Electronic Power Unit
Topside Controller
MPP 1 MPPP 2
Subsea Control Module
Process Sensors
Process Actuators
Hang-Off
UTA
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Draugen Subsea Boosting- First Results
February 2017 19Draugen Subsea Boosting
Results per 2017:
MORE OIL IN TOTAL => YES, we have reduced back pressure a lot
MORE OIL PER DAY => YES, we are producing significantly more
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Shell Houston
Stones Field
Shell Brazil
Shell Stavanger
BC-10 Field
Draugen Field
PerdidoField
Ormen Lange Field
Shell Subsea Processing- A Global Activity
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Operating Fields:BC-10 – ESP Caisson Pumps since 2009Perdido – ESP Caisson Pumps since 2010
Execution phase:Draugen – Mudline Pump (MLP)BC 10 MLP PilotStones MLP
Assess Phase: Ormen Lange Late Life Compression
February 2017Draugen Subsea Boosting
