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

1

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

2

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

3

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

8

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

9

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

11

200 kW

0

20

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

12

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

13

Inlet

Subsea Multiphase Pump System

Courtesy of Petrobras

SIT - Slug Testing in Dock

14

Barracuda Subsea Multiphase Pump Installation

FLOWBASE Pump Module

C l M d l

15

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

10

Shut Downs:• No shut down related 7

8

9

ed

to the pump system• 11, comissioning, pre-

operation and training 3

4

5

6

Stop

ped

and

Star

te

operation and training• 12, emergency shut

downs from platform 00000

1

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

18

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

19

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%

20

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

21

Thank you!

22