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Southern Negros Geothermal Production Field
Southern Negros Geothermal Production Field (SNGPF) Valencia, Negros Oriental
Sequence of Presentation
1. Short Review of Geothermal energy 2. Powerplants in the Southern Negros Geothermal Production Field 3. Overview of the Plant process
WHAT IS GEOTHERMAL ENERGY? GEO means EARTH
THERMAL means HEAT
GEOTHERMAL IS HEAT FROM THE EARTH
The Earth’s surface
Collision of plates
Island arc Japan Philippines
Andes mountains South America
Subduction zone
Heat source
Basic Features of a Geothermal System Rain – is the meteoric water that is fossilized and enclosed in deep rock formation
Hot Springs- are indicators that geothermal energy is present
Caprock-serves as the cover so that steam does not escape and pressure is confined Water- is the medium that carries the heat from the rocks Reservoir-a zone of permeable rocks which contains hot fluid
Magma-is the heat source
GEOTHERMAL DEVELOPMENT STAGES 1. GEOSCIENTIFIC INVESTIGATION TO LOCATE THE AREA OF A POSSIBLE GEOTHERMAL RESOURCE GEOLOGY
GEOCHEMISTRY
GEOPHYSICAL SURVEY
2. DRILLING STAGE
3. DEVELOPMENT/PRODUCTION STAGE
TO TEST THE GEOSCIENTIFIC EVALUATION OF THE POSSIBLE RESOURCE.
TO UTILIZE THE ENERGY OF THE GEOTHERMAL RESOURCE TRANSMISSION
SHALLOW WELLS
DEEP WELLS
WELL TESTING
POWER GENERATION FLUID COLLECTION SYSTEMS
Classification of Geothermal Resources (According to resource temperature) T E
HIGH Temperature Resource ----------
> 220°
Electricity Generation
220° MEDIUM Temperature Resource -----Fruit/Abaca/Copra Drying House Heating(Winter) Wood Treatment/Kiln Drying
P E R A
125°
T U
LOW Temperature Resource -----------Swimming pool heating / Spa Aqua (fish/shrimp) culture
M
R
50°
E
°C
Geothermal Production Fields In the Philippines
Cagua
TIWI – 330 MW (Chevron)
BMGPF – 151.5 MW (1993, 1998)
TGPF – 699.5 MW MAKBAN – 426 MW
(1983, 1996, 1997)
(Chevron)
NNGPF – 49 MW Mambucal 2006
SNGPF – 192.5 MW (1983, 1993)
Amacan
MGPF – 104 MW 2002
SNGPF Geothermal Reservation
BELENDEPALDO CRATER LAKE
RESERVOIR HEAT SOURCE
Southern Negros Geothermal Production Field
STRUCTURAL MAP
518,800mE
519,200mE
519,000mE
SEPARATOR STATION 8RD
9RD 7RD
LOWER REINJECTION PAD
5RD OK-2
ST AT I
O N
6RD
4RD 3RD
1,028,200mN
SE PA R AT O R
MIDDLE REINJECTION PAD LINE 319 2RD
1RD 12RD
SILENCER
UPPER REINJECTION PAD
519,000mE
518,000mE
PALINPINON-1 112.5 Mwe POWER PLANT
520,000mE
1,028,200mN
5RD
POWER PLANT
PRS
1029,000mN
COOLING TOWER
2RD 1RD
9RD
12RD
14
N ST AT IO
26
R
19D
28 15D
7
32D
SE PA R AT O
1028,000mN
POWER PLANT
THERMAL POND
21D 1027,000mN
29D 16D
30D 14
13D
18D
LOWER PAD EAST
29D 31D
21D 15D 26
LOWER PAD WEST
17D
10D
22D
23D
19D 9D 24D
1,027,600mN
17D
7RD 25D
OK-2
3RD
6RD
8RD
LINE 318 LINE 317
1,027,800mN
4RD
27D
9D
20D
28
1026,000mN
DIRECTIONAL WELL TRACKS
PALINPINON-1 UPPER PAD WEST
UPPER PAD EAST
25D 30D
9D 23D
7 33
10D
32D 16D
27D
18D
20D
22D 13D
SCALE
1,027,600mN 518,600mE
LMR:NOV1999
FLUID COLLECTION Fluid CollectionAND & DISPOSAL SYSTEM Recycling System 1:4,000 M.
518,800mE
(INSET: SEPARATOR STATION DETAILS AND DIRECTIONAL WELL TRACKS)
PGPP-I (112.5 MW) PRODUCTION WELLS – 26 REINJECTION WELLS - 16
Control Center & Separator Station
OK-5 Modular Plant (20 MW)
Control Center
PRODUCTION WELLS – 4 REINJECTION WELLS - 1
Nasuji Modular Plant (20 MW) PRODUCTION WELLS – 6 REINJECTION WELLS - 3
Sogongon Modular Plant (40 MW)
PRODUCTION WELLS – 6 REINJECTION WELLS - 3
Fluid Collection and Recycling System Separate SEPARATOR Two Phase Line
Collect
Steam Line
Convert
Recycle Production Well
Injection Well
To Power Plant
Production Wells
Two-phase lines
Separators
Separation process
Inlet
Inlet
SEPARATION PROCESS
TWO-PHASE STEAM
TurbineGenerator
REINJECTION LINE
PRODUCTION WELL REINJECTION WELL
POWER PLANT PROCESS FLOW Turbine-converts heat energy from steam into mechanical energy
Electricity is transported to the consumers thru the transmission lines
Generator-converts mechanical energy into electrical energy or electricity
Low Pressure Steam Air cools the Condensate
Water Condensate
STEAM TURBINE
ELECTRIC GENERATOR
Turbo--generator set Turbo
Turbine blades
Worldwide Geothermal Power Generation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
MW (INSTALLED)
COUNTRY
RANK
United States of America Philippines Mexico Italy Japan New Zealand Indonesia El Salvador Kenya Iceland Nicaragua Turkey China Russia France (Guadaloupe) Portugal (Sao Miguel Island) Greece
Source: World Geothermal Congress 2005
TOTAL
2564 1930 953 791 535 435 797 151 129 202 77 20 28 79 15 16 2
8724
2nd World’s Largest in Geothermal Power Generation Energy Devt. Corporation
Thank You
Southern Negros Geothermal Production Field (SNGPF) Valencia, Negros Oriental
Sequence of Presentation
1. Short Review of Geothermal energy 2. Powerplants in the Southern Negros Geothermal Production Field 3. Overview of the Plant process
WHAT IS GEOTHERMAL ENERGY? GEO means EARTH
THERMAL means HEAT
GEOTHERMAL IS HEAT FROM THE EARTH
The Earth’s surface
Collision of plates
Island arc Japan Philippines
Andes mountains South America
Subduction zone
Heat source
Basic Features of a Geothermal System Rain – is the meteoric water that is fossilized and enclosed in deep rock formation
Hot Springs- are indicators that geothermal energy is present
Caprock-serves as the cover so that steam does not escape and pressure is confined Water- is the medium that carries the heat from the rocks Reservoir-a zone of permeable rocks which contains hot fluid
Magma-is the heat source
GEOTHERMAL DEVELOPMENT STAGES 1. GEOSCIENTIFIC INVESTIGATION TO LOCATE THE AREA OF A POSSIBLE GEOTHERMAL RESOURCE GEOLOGY
GEOCHEMISTRY
GEOPHYSICAL SURVEY
2. DRILLING STAGE
3. DEVELOPMENT/PRODUCTION STAGE
TO TEST THE GEOSCIENTIFIC EVALUATION OF THE POSSIBLE RESOURCE.
TO UTILIZE THE ENERGY OF THE GEOTHERMAL RESOURCE TRANSMISSION
SHALLOW WELLS
DEEP WELLS
WELL TESTING
POWER GENERATION FLUID COLLECTION SYSTEMS
Classification of Geothermal Resources (According to resource temperature) T E
HIGH Temperature Resource ----------
> 220°
Electricity Generation
220° MEDIUM Temperature Resource -----Fruit/Abaca/Copra Drying House Heating(Winter) Wood Treatment/Kiln Drying
P E R A
125°
T U
LOW Temperature Resource -----------Swimming pool heating / Spa Aqua (fish/shrimp) culture
M
R
50°
E
°C
Geothermal Production Fields In the Philippines
Cagua
TIWI – 330 MW (Chevron)
BMGPF – 151.5 MW (1993, 1998)
TGPF – 699.5 MW MAKBAN – 426 MW
(1983, 1996, 1997)
(Chevron)
NNGPF – 49 MW Mambucal 2006
SNGPF – 192.5 MW (1983, 1993)
Amacan
MGPF – 104 MW 2002
SNGPF Geothermal Reservation
BELENDEPALDO CRATER LAKE
RESERVOIR HEAT SOURCE
Southern Negros Geothermal Production Field
STRUCTURAL MAP
518,800mE
519,200mE
519,000mE
SEPARATOR STATION 8RD
9RD 7RD
LOWER REINJECTION PAD
5RD OK-2
ST AT I
O N
6RD
4RD 3RD
1,028,200mN
SE PA R AT O R
MIDDLE REINJECTION PAD LINE 319 2RD
1RD 12RD
SILENCER
UPPER REINJECTION PAD
519,000mE
518,000mE
PALINPINON-1 112.5 Mwe POWER PLANT
520,000mE
1,028,200mN
5RD
POWER PLANT
PRS
1029,000mN
COOLING TOWER
2RD 1RD
9RD
12RD
14
N ST AT IO
26
R
19D
28 15D
7
32D
SE PA R AT O
1028,000mN
POWER PLANT
THERMAL POND
21D 1027,000mN
29D 16D
30D 14
13D
18D
LOWER PAD EAST
29D 31D
21D 15D 26
LOWER PAD WEST
17D
10D
22D
23D
19D 9D 24D
1,027,600mN
17D
7RD 25D
OK-2
3RD
6RD
8RD
LINE 318 LINE 317
1,027,800mN
4RD
27D
9D
20D
28
1026,000mN
DIRECTIONAL WELL TRACKS
PALINPINON-1 UPPER PAD WEST
UPPER PAD EAST
25D 30D
9D 23D
7 33
10D
32D 16D
27D
18D
20D
22D 13D
SCALE
1,027,600mN 518,600mE
LMR:NOV1999
FLUID COLLECTION Fluid CollectionAND & DISPOSAL SYSTEM Recycling System 1:4,000 M.
518,800mE
(INSET: SEPARATOR STATION DETAILS AND DIRECTIONAL WELL TRACKS)
PGPP-I (112.5 MW) PRODUCTION WELLS – 26 REINJECTION WELLS - 16
Control Center & Separator Station
OK-5 Modular Plant (20 MW)
Control Center
PRODUCTION WELLS – 4 REINJECTION WELLS - 1
Nasuji Modular Plant (20 MW) PRODUCTION WELLS – 6 REINJECTION WELLS - 3
Sogongon Modular Plant (40 MW)
PRODUCTION WELLS – 6 REINJECTION WELLS - 3
Fluid Collection and Recycling System Separate SEPARATOR Two Phase Line
Collect
Steam Line
Convert
Recycle Production Well
Injection Well
To Power Plant
Production Wells
Two-phase lines
Separators
Separation process
Inlet
Inlet
SEPARATION PROCESS
TWO-PHASE STEAM
TurbineGenerator
REINJECTION LINE
PRODUCTION WELL REINJECTION WELL
POWER PLANT PROCESS FLOW Turbine-converts heat energy from steam into mechanical energy
Electricity is transported to the consumers thru the transmission lines
Generator-converts mechanical energy into electrical energy or electricity
Low Pressure Steam Air cools the Condensate
Water Condensate
STEAM TURBINE
ELECTRIC GENERATOR
Turbo--generator set Turbo
Turbine blades
Worldwide Geothermal Power Generation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
MW (INSTALLED)
COUNTRY
RANK
United States of America Philippines Mexico Italy Japan New Zealand Indonesia El Salvador Kenya Iceland Nicaragua Turkey China Russia France (Guadaloupe) Portugal (Sao Miguel Island) Greece
Source: World Geothermal Congress 2005
TOTAL
2564 1930 953 791 535 435 797 151 129 202 77 20 28 79 15 16 2
8724
2nd World’s Largest in Geothermal Power Generation Energy Devt. Corporation
Thank You
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