1. GE Oil & Gas
High pressure CO2 re-injection
GE Oil & Gas experience
Nicola Pezzella
Product Line Manager
Roma October 18th, 2011
• GE solutions for CO2 management
• HP pump … test results
• Next step … compressor and pump system
1
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

2. GE Oil & Gas
High pressure CO2 re-injection
• GE solutions for CO2 management
• HP pump … test results
• Next step … compressor and pump system
2
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

3. 3
GE © 2011 – All Rights Reserved
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4. CO2 capture & GE products GE scope
Post-Combustion
Natural Gas
G
CO2
• Combined cycle power plants
G
Cleaned
Exhaust
Air
HRSG • EGR … reduce energy requirements & CAPEX
CO2 Capture
unit
Exhaust Gas Recirculation (EGR) • Compressor & pump for CO2 boosting
Liquid H2O
Pre-Combustion/IGCC
Coal/Natural gas CO2
Gasification/Reforming • Combined cycle power plant
Island w/ CO2 capture
Syngas
• IGCC power island … gasification technology
G
G
Air Clean
• Compressor & pump for CO2 boosting
HRSG Exhaust
Oxy-fuel (NG)
• Combined cycle power plants
• Large compressors for air separation unit
• Compressor & pump for CO2 boosting 4
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

5. CO2 transportation & GE products
O&G PII O&G Turbomachinery Fanuc / Sensing
MagneScan Compressor Pump Control / Monitoring
Inspection & integrity CO2 boosting Control & measuring
• Integrated high-resolution • Pump & compressor technology ... • Process control …
caliper API 610/617 monitoring, pressure and
flow measurements
• Direct wall thickness • 180+ compressor operating w/
measurement … integrated content of CO2, H2 and H2S • Check metering
mapping as option
• 1000+ pumps installed pumps for
• 5 m/s speed liquefied HC gases
5
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6. CO2 sequestration & GE products
Onshore / Offshore Facilities
O&G Turbomachinery
Fanuc / Sensing
217 bar …
Facility operating surveillance Gorgon project
540 bar …
Tupi project
Water
Produced water treatment
O&G D&PS Integrated
Compressor + Pump
Wellheads & trees
GE ... a unique provider of integrated solutions for CCS 6
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

7. GE Oil & Gas
High pressure CO2 re-injection
• GE solutions for CO2 management
• HP pump … test results
• Next step … compressor and pump system
7
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

8. CO2 Pump Evolution
To …
• CO2 re-injection (>500 bara)
• Density variation up to 25%
• Suction conditions in supercritical phase
• One single pump delivering from
100 bar up to 560 bar @ 7600 rpm
From
2 pumps
in series
@ 50% ...
Liquid Supercritical
Dense phase
Gas ... To
Vapour Liquid phase
1 single
pump
@ 100%
Polytropic path Suction coordinates Discharge coordinates
8
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Unauthorized Reproduction Prohibited

9. Supercritical CO2 Test loop
• Certification of differential pressure & absorbed power with real fluid
at typical field conditions
• Verification of minimum stable flow & rotordynamics with typical fluid
• Test of integration of seal system with the pump (able to test
Dry Gas Seals (DGS) & conventional oil seals
GE Oil&Gas Bari, Italy
9
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10. Test campaign performance data
Polytropic Head 3900 m Test Speed 7600 rpm
Test point A Test point B
“Supercritical” “High Density”
"Suction condition @ 100bara, 40°C "Suction condition @ 100bara, 15°C
500 70 600 70
60 •Overall efficiency 60
500 •Overall efficiency
Discharge pressure [bar]
400 •Overall efficiency
Discharge pressure [bar]
50 50
400 •Discharge pressure
300 •Discharge pressure
•Discharge pressure 40 40
300
30 •Max discharge pressure = 530bara 30
200 • High density variation >20% kg/m3
•Max compressibility ρave = 600 •Max deltaP delivered 460 bar at MCSF
200 •Design mass flow rate =35kg/sec
•Design mass flow rate =26kg/sec
•Max density variation through pump 20 • ρave = 900 kg/m3 20
•Design discharge pressure =453bar
100 •Design discharge pressure =367bar
•Validation of new impeller family 100 •GE EoS model accuracy for liquid CO2
10 •Design overall efficiency =65.5% 10
•Design overall efficiency =64.8%
•GE EoS model accuracy for supercritic. •Dry Gas Seals tested
0 0 0 0
0 50 100 150 200 0 50 100 150 200
Inlet Flow [m3/h] Inlet Flow [m3/h]
10
GE © 2011 – All Rights Reserved

11. GE Oil & Gas
High pressure CO2 re-injection
• GE solutions for CO2 management
• HP pump … test results
• Next step … compressor and pump system
11
GE © 2011 – All Rights Reserved
Unauthorized Reproduction Prohibited

12. Integrated compressor & pump system
Gas compression Study case … 220bar injection
• Only compressor ... barrel or IG
P [bar]
• Footprint driven by gas volume
• 13.5MW required power
H [kJ/kg]
Subcritical Compression + Pumping
• Compressor IG + pump system
P [bar]
• ↓ footprint & installation time
• 11.1 MW … up to 15% power save
H [kJ/kg]
Refrigerated Compression
• Compressor IG + pump system
P [bar]
• ↓ footprint & installation time
Refrigeration Cycle
• 9.5 MW … up to 25% power save
H [kJ/kg] 12
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13. Q&A
13
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