power generation using associated gas -...
TRANSCRIPT
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
December 1, 2011 Power Generation using Associated Gas 2 © Wärtsilä
Company profile
17,500 professionals
Marine/
offshore Energy
Solutions for
• Listed in Helsinki
• 4.5 billion € turnover
• Solid financial standing
Our
values
Capture
opportunities and
make things
happen
Foster openness,
respect and trust
to create
excitement
Do things better
than anyone else
in our industry
• Listed in Helsinki
• 4.5 billion € turnover
• Solid financial standing
Ship Power
26% (34) Power Plants
34% (31)
Services
40% (35)
3 © Wärtsilä
>30% of Ship sailing the oceans is powered by
Wärtsilä
Our power plants produce 1% of the world’s
electricity
December 1, 2011 Power Generation using Associated Gas
2010 liquid fuel and gas fuel power plant orders
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)
3.3 GW 3.2
GW
4.2 GW
17.0 GW
23.8GW
1.5 GW
1.8 GW
1.9 GW
TOTAL MARKET: 56.6 GW Other CEs Other GTs
4 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
FIELD POWER
• Power Generation
PUMPING
• Oil Pipeline
• Water Pumping
• Re-injection
COMPRESSION
• Underground Gas
Storage
• Injection
• Gas Pipeline
Solutions for the onshore Oil & Gas Industry
5 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
References – Power Generation
PetroAmazonas Power plant
4xW18V32LN, CRO fuel, start 2003
3xW18V34SG, AG fuel, start 2005
Total output 40MW
The first 4xW18V32LN has 2011 been converted to GD and is
now running on associated gas with crude as backup, by
that reducing flare
Power plant Extension
2xW18V32, CRO fuel, start 2007
2xW18V32, CRO fuel, start 2009
Total output 30MW
December 1, 2011 Power Generation using Associated Gas 6 © Wärtsilä
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
7 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
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
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
8 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
References – Gas compression
Szöreg-1 Safety Storage, MOL Hungary
• 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
9 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
Wärtsilä Gas Engines
Gas plant ranges and fuels
500 300 100
Plant size MW
50 10 5 1
NG, LFO, HFO
NG, AG
NG = Natural Gas
AG = Associated Gas
LFO = Liquid Fuel Oil
HFO = Heavy Fuel Oil
CRO = Crude Oil
LBF = Liquid Bio Fuel
NG, AG
W34SG
W50SG
W34DF
W50DF
NG, LFO, HFO, LBF
W46GD
W32GD NG, AG, LFO, HFO, CRO
NG, AG, LFO, HFO, CRO
December 1, 2011 Power Generation using Associated Gas 10 © Wärtsilä
Wärtsilä GD Fuel Sharing Mode
December 1, 2011 Power Generation using Associated Gas 11 © Wärtsilä
Wärtsilä GD Technologly
• 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
12 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
PERFORMANCE COMPARISON
Varying gas composition
0
10
20
30
40
50
60
2003 2004 2005 2006 2007 2008
Mo
lecu
lar
fracti
on
(%
)
Fuel composition from Secoya power plant
14 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
Site specific conditions
Gas turbines and combustion engines both derate with high ambient temperature and altitude.
0,8
0,85
0,9
0,95
1
1,05
15 20 25 30 35 40 45
Dera
tin
g f
acto
r
Ambient temperature [C]
Industrial Gas turbine
20V34SG(radiator cooling)
Aeroderivate Gas turbine
Source: GE Ger-3567 Ger-3695; Wärtsilä perf
0,65
0,7
0,75
0,8
0,85
0,9
0,95
1
1,05
1,1
0 500 1000 1500 2000 2500 3000
De
rati
ng
fa
cto
r
Altitude [m]
Industrial Gas turbine
20V34SG(radiator cooling)
Aeroderivate Gas turbine
Source: Termof low calculation program; Wärtsilä perf
Combustion engines offer stable output and high performance in hot and dry conditions
15 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
Source: GE GER-3965/GER-4208; Wärtsilä
-6
-5
-4
-3
-2
-1
0
1
0 10000 20000 30000 40000 50000 60000 70000 80000 90000
CE Output
CE Efficiency
HD GT Efficiency
HD GT Output
Aero GT Efficiency
Aero GT Output
Operating hours
Deg
rad
ati
on
%
Degradation
GT degradation is caused by mechanical and thermal stresses on individual gas turbine
components over time.
16 © Wärtsilä December 1, 2011 Power Generation using Associated Gas
Electrical
efficiency
Flexibility
Operational flexibility vs. electrical efficiency
40%
50%
Medium High
Diesel
cycle
Aero-
GT’s
Industrial
GT’s
Boiler
Steam Power Plants Simple Cycle GT Simple Cycle Combustion Engines
Otto
cycle
30%
Low
Fuel adaptability
Starting time
Ramp rate
Part load operation
December 1, 2011 Power Generation using Associated Gas 17 © Wärtsilä
Diesel cycle technology is the most
efficient and flexible solution and
consequently
the most environmentally friendly
Conclusion
18 © Wärtsilä December 1, 2011 Power Generation using Associated Gas