POWER GENERATION USING ASSOCIATED GAS GGFR STEERING COMMITTEE WORKSHOP NOVEMBER 30 – DECEMBER 1, 2011 TOMAS RÖNN DIRECTOR, OIL AND GAS BUSINESS WÄRTSILÄ POWER PLANTS
Content
• Company profile • Technology comparison
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December 1, 2011 Power Generation using Associated Gas
Company profile
>30% of Ship sailing the oceans is powered by Wärtsilä
17,500 professionals
Solutions for
Marine/ offshore
Energy
Ship Power 26% (34)
• Listed in Helsinki • 4.5 billion € turnover • Solid financial standing
Power Plants 34% (31)
Do things better than anyone else in our industry
Services 40% (35)
Our power plants produce 1% of the world’s electricity 3
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December 1, 2011 Power Generation using Associated Gas
Capture opportunities and make things happen
Our values Foster openness, respect and trust to create excitement
2010 liquid fuel and gas fuel power plant orders Other CEs
TOTAL MARKET: 56.6 GW
1.9 1.8 GW 1.5 GW GW
Other GTs
3.3 GW
3.2 GW 4.2 GW
23.8GW 17.0 GW
NB. Includes all gas and liquid-fuelled power plants with prime movers > 5 MW NB. Includes estimated output of steam turbines of combined cycles (factor 0.5 for industrial turbines, 0.4 for aeros)
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December 1, 2011 Power Generation using Associated Gas
Solutions for the onshore Oil & Gas Industry
FIELD POWER • Power Generation
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PUMPING • Oil Pipeline • Water Pumping • Re-injection
December 1, 2011 Power Generation using Associated Gas
COMPRESSION • Underground Gas Storage • Injection • Gas Pipeline
References – Power Generation PetroAmazonas Power plant 4xW18V32LN, CRO fuel, start 2003 3xW18V34SG, AG fuel, start 2005 Total output 40MW
Power plant Extension 2xW18V32, CRO fuel, start 2007 2xW18V32, CRO fuel, start 2009 Total output 30MW
The first 4xW18V32LN has 2011 been converted to GD and is now running on associated gas with crude as backup, by that reducing flare 6
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December 1, 2011 Power Generation using Associated Gas
CRO & Gas Power Plant – Eden Yuturi, Ecuador The first 4xW18V32LN has 2011 been converted to GD and is now running on associated gas with crude as backup.
Flare considerable reduced
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December 1, 2011 Power Generation using Associated Gas
References – Crude Oil Pumping Baku -Tbilisi - Ceyhan (BTC) Crude oil pipeline, 1700 km BTC pipeline 1,000,000 bpd crude oil pipeline across from Baku to Ceyhan
Station setup, Turkey Main stations: 4+1 (5 x 18V34SG), parallel Booster stations: 3+1 (4 x 12 & 18V34SG ), series Totally 33 pump units, 18 units in Turkey 8
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December 1, 2011 Power Generation using Associated Gas
References – Gas compression Szöreg-1 Safety Storage, MOL Hungary • • • • •
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5 x W9L34SG a 4050 kW 2 x 5500 kW electrical driven Reciprocating compressors for gas storage in depleted gas/oil field Delivery September 2008 In operation August 2009
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December 1, 2011 Power Generation using Associated Gas
Wärtsilä Gas Engines Gas plant ranges and fuels W34SG W34DF W32GD
NG, AG NG, LFO, HFO, LBF NG, AG, LFO, HFO, CRO
NG, AG
W50SG
NG, LFO, HFO
W50DF
NG, AG, LFO, HFO, CRO
W46GD
1 5 Plant size MW
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50
100
300
500
NG = Natural Gas AG = Associated Gas LFO = Liquid Fuel Oil HFO = Heavy Fuel Oil CRO = Crude Oil LBF = Liquid Bio Fuel 10
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December 1, 2011 Power Generation using Associated Gas
Wärtsilä GD Fuel Sharing Mode
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December 1, 2011 Power Generation using Associated Gas
Wärtsilä GD Technologly
• • • • • • • • •
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No de-rating for low methane number Large fuel flexibility Tolerant to fuel quality High thermal efficiency Fast load response Good loading capacity Short start-up time Automatic transfer to back-up fuel Easy to maintain
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December 1, 2011 Power Generation using Associated Gas
PERFORMANCE COMPARISON
Varying gas composition Fuel composition from Secoya power plant
Molecular fraction (%)
60 50 40 30 20 10 0 2003
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2004
2005
December 1, 2011 Power Generation using Associated Gas
2006
2007
2008
Site specific conditions Gas turbines and combustion engines both derate with high ambient temperature and altitude. 1,05
Derating factor
1 20V34SG (radiator cooling)
0,95
0,9 Aeroderivate Gas turbine
0,85 Industrial Gas turbine
0,8 15
20
25
30
35
40
45
Ambient temperature [C] Source: GE Ger-3567 Ger-3695; Wärtsilä perf
1,1 1,05
Combustion engines offer stable output and high performance in hot and dry conditions
Derating factor
1 20V34SG (radiator cooling)
0,95 0,9 0,85 0,8
Industrial Gas turbine
0,75 0,7 Aeroderivate Gas turbine
0,65 0
500
Source: Termof low calculation program; Wärtsilä perf
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December 1, 2011 Power Generation using Associated Gas
1000
1500
Altitude [m]
2000
2500
3000
Degradation GT degradation is caused by mechanical and thermal stresses on individual gas turbine components over time. 0
10000
20000
30000
40000
50000
60000
70000
80000
90000
Operating hours
1
Degradation %
0 CE Output -1 -2
CE Efficiency HD GT Efficiency HD GT Output
-3
Aero GT Efficiency Aero GT Output
-4 -5
-6
Source: GE GER-3965/GER-4208; Wärtsilä
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December 1, 2011 Power Generation using Associated Gas
Operational flexibility vs. electrical efficiency
50%
Electrical efficiency Otto cycle
Diesel cycle
AeroGT’s
40%
Industrial GT’s
Fuel adaptability Starting time Ramp rate Part load operation
Boiler
Flexibility 30% Low
Medium
Steam Power Plants
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Simple Cycle GT
December 1, 2011 Power Generation using Associated Gas
Simple Cycle Combustion Engines
High
Conclusion
Diesel cycle technology is the most efficient and flexible solution and consequently the most environmentally friendly
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December 1, 2011 Power Generation using Associated Gas
