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Subsea High Boost Multiphase PumpSystem Development and Applications
S b Hi h B M l i h P SSubsea High Boost Multiphase Pump System, in operation at Petrobras' Barracuda Field
Arne B. OlsenSales Director Pumps & Subsea Process Systems
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Content
Subsea Helico-Axial Multiphase Pumps Evolution
High Boost MPP Development and Test ResultsHigh Boost MPP Development and Test Results
Barracuda: World’s First High Boost Pump application
Operational Experience
Next High Boost Applications
ConclusionsConclusions
Q&A
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Subsea Helico-Axial MPP Evolution
Statoil - Gullfaks A 1993
1st Helico Axial (topside)1st Helico-Axial (topside)
Shell - Draugen Field 1994
First Subsea Installation
Mobil – Topacio Field 1999
First Multiphase Installation withFirst Multiphase Installation with
Electric Drive
Petrobras’ - Barracuda 2012
First High Boost Installation
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First High Boost Installation
Source: OneSubsea internal research and analysis
Water Depth Milestones by OneSubsea
4Source: OneSubsea internal research and analysis
Shaft Power Evolution by OneSubsea
5Source: OneSubsea internal research and analysis
Design Pressure Evolution by OneSubsea
6Source: OneSubsea internal research and analysis
Multiphase Pumps DP Evolution by OneSubsea>
essu
re <
Bar>
Barracuda World’s
feren
tial P
re Barracuda, World s First High Boost
Diff
7Source: OneSubsea internal research and analysis
High Boost Multiphase PumpBased on conventional OneSubsea pump design
Balance Piston
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Balance Piston
Function is to provide a Thrust Disc
counter-force to the axial thrust provided by the
Pump Shaft
Balance Piston provided by the pump impellers to reduce thrust
Balance Piston
to reduce thrust bearing loadsPump Impeller
Pump Diffusor
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OneSubsea High Boost Multiphase Pump Development
Qualification Program under a JIP
Based on the standard well-proven designBased on the standard, well-proven design
JIP kicked off in 2007
First test in 2008
Re-test in 2009Re test in 2009
Last endurance test completed in 2011
10 Design Point:DP: 150 Bar
Fl t 220 3/h
Pump Performance
Performance Test:
Water and Gas Mixture usedWater and Gas Mixture used
Proved the hydraulic design
Test points measured confirmed predictionsHigh Boost - PUMP PERFORMANCE MAP
2600 kW5000 rpm4500 rpm4000 rpm
180
200
SUCTION CONDITIONS: Ps=16 BARA GVF=30.1%13 STAGES DEXT=305 mm
GVF 30% GVF 60%
1400 kW1600 kW
1800 kW2000 kW
2200 kW
2400 kW3500 rpm
3000 rpm
100
120
140
160
L PR
ESSU
RE
(ba
400 kW
600 kW
800 kW1000 kW
1200 kW1400 kW
2500 rpm
2000 rpm40
60
80
DIF
FER
ENTI
AL
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200 kW
0
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0 50 100 150 200 250 300 350 400
TOTAL FLOWRATE (m3/h)
Qualification Program Conclusions
Design Point Achieved
150 bar DP at 30% GVF150 bar DP at 30% GVF
New Target Achieved
160 bar DP at 60% GVF
Fi l E d T tFinal Endurance Test
Typical field conditions tested
(starts/stops and trips)
No wear noted
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No wear noted
Barracuda MPS
P-48
Design :
• Boosting one well• Boosting one well
• Water Depth: 1040 m
Ti b k 15 5 kGas lift
• Tieback: 15.5 km
• Total flow: ~150 Am3/h
HV + E-H
Production Outlet
Control
• DP: 60 – 80 bar
Control Umbilical (Fluid Barrier + Chemicals)
ProductionX-mass Tree
Umbilical
SCM
Production
Pump Module
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Inlet
Subsea Multiphase Pump System
Courtesy of Petrobras
SIT - Slug Testing in Dock
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Barracuda Subsea Multiphase Pump Installation
FLOWBASE Pump Module
C l M d l
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Control Module
Petrobras’ Barracuda: World’s First High BoostPump System
In operation since: 14 July 2012Tie-back: 10.5 kmWD: 1040 mDP: 60 - 70 barGVF: 35% - 70%Shaft Power: 1.5 MW
Courtesy of Petrobras
40% Production Increase
16Source: 2013 OTC Brasil, "Subsea High Boost Multiphase Pump System Development and Applications"
Courtesy of Petrobras
Operational Parameters Measured
17 Courtesy of Petrobras
Operational Experience
100% AvailabilityStable Operation
SHMPP Events: Stopped and Started - Jul/2012 to Jun/2013
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Shut Downs:• No shut down related 7
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ed
to the pump system• 11, comissioning, pre-
operation and training 3
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5
6
Stop
ped
and
Star
te
operation and training• 12, emergency shut
downs from platform 00000
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2
3
downs from platform • Short downtime
reported
Jul/2012 Aug/2012 Sep/2012 Oct/2012 Nov/2012 Dec/2012 Jan/2013 Feb/2013 Mar/2013 Apr/2013 May/2013 Jun/2013
Events in the Month
Started Stopped Courtesy of Petrobras
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Barracuda Conclusions
World’s first high boost pump system installed
A hi d DP hi h th 60 bAchieved DP higher than 60 bar
Substantial positive impact to the production
Remarkable performance
100% Availability
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Next High Boost ApplicationsTotal GiRi:
Location AngolaWD: 1400 mWD: 1400 mShaft Power: 2.5 MW x 2DP: up to 130 BarGVF: 20% - 60%Flowrate: 600 m3/hDelivery: mid 2014
Total Moho 1bis: CLocation Congo
WD: 800 mShaft Power: 3 5 MW x 2Shaft Power: 3.5 MW x 2DP: up to 130 BarGVF: 10% - 70%
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Flowrate: 600 Am3/hDelivery: mid 2016
Conclusions
:
Standardized subsea multiphase pump design
>1 8 illi ti l h l t d b>1.8 million operational hours accumulated subsea
High Boost concept successfully qualified
– Tested up to 160 Bar Differential Pressure at 60% GVF
Field proven technology
Barracuda >1 5 years in continuous operationBarracuda >1,5 years in continuous operation
Ongoing projects with higher DPs
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Thank you!
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