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More optimizations of Fervo Case Study inputs.
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tests/examples/Fervo_Norbeck_Latimer_2024.out

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Original file line numberDiff line numberDiff line change
@@ -6,19 +6,19 @@ Simulation Metadata
66
----------------------
77
GEOPHIRES Version: 3.4.29
88
Simulation Date: 2024-05-15
9-
Simulation Time: 10:30
10-
Calculation Time: 0.342 sec
9+
Simulation Time: 10:31
10+
Calculation Time: 0.345 sec
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***SUMMARY OF RESULTS***
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End-Use Option: Electricity
15-
Average Net Electricity Production: 1.61 MW
16-
Electricity breakeven price: 33.84 cents/kWh
15+
Average Net Electricity Production: 1.85 MW
16+
Electricity breakeven price: 29.73 cents/kWh
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Number of production wells: 1
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Number of injection wells: 1
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Flowrate per production well: 41.0 kg/sec
20-
Well depth (or total length, if not vertical): 2.3 kilometer
21-
Geothermal gradient: 0.0680 degC/m
20+
Well depth (or total length, if not vertical): 2.1 kilometer
21+
Geothermal gradient: 0.0767 degC/m
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***ECONOMIC PARAMETERS***
@@ -27,22 +27,22 @@ Simulation Metadata
2727
Accrued financing during construction: 5.00
2828
Project lifetime: 10 yr
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Capacity factor: 90.0 %
30-
Project NPV: -15.27 MUSD
31-
Project IRR: -9.82 %
32-
Project VIR=PI=PIR: 0.42
33-
Project MOIC: -0.36
30+
Project NPV: -13.08 MUSD
31+
Project IRR: -6.21 %
32+
Project VIR=PI=PIR: 0.50
33+
Project MOIC: -0.26
3434
Project Payback Period: N/A
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***ENGINEERING PARAMETERS***
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Number of Production Wells: 1
3939
Number of Injection Wells: 1
40-
Well depth (or total length, if not vertical): 2.3 kilometer
40+
Well depth (or total length, if not vertical): 2.1 kilometer
4141
Water loss rate: 2.0
4242
Pump efficiency: 80.0
43-
Injection temperature: 1.8 degC
43+
Injection temperature: 48.0 degC
4444
Production Wellbore heat transmission calculated with Ramey's model
45-
Average production well temperature drop: 3.5 degC
45+
Average production well temperature drop: 3.3 degC
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Flowrate per production well: 41.0 kg/sec
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Injection well casing ID: 7.000 in
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Production well casing ID: 7.000 in
@@ -52,23 +52,23 @@ Simulation Metadata
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***RESOURCE CHARACTERISTICS***
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55-
Maximum reservoir temperature: 88.4 degC
55+
Maximum reservoir temperature: 170.0 degC
5656
Number of segments: 1
57-
Geothermal gradient: 0.0680 degC/m
57+
Geothermal gradient: 0.0767 degC/m
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***RESERVOIR PARAMETERS***
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Reservoir Model = Multiple Parallel Fractures Model
63-
Bottom-hole temperature: 167.59 degC
63+
Bottom-hole temperature: 170.00 degC
6464
Fracture model = Rectangular
65-
Well separation: fracture height: 200.00 meter
66-
Fracture width: 111.25 meter
67-
Fracture area: 22250.00 m**2
65+
Well separation: fracture height: 160.00 meter
66+
Fracture width: 160.00 meter
67+
Fracture area: 25600.00 m**2
6868
Reservoir volume calculated with fracture separation and number of fractures as input
6969
Number of fractures: 100.00
7070
Fracture separation: 10.00 meter
71-
Reservoir volume: 22027500 m**3
71+
Reservoir volume: 25344000 m**3
7272
Reservoir impedance: 0.33 GPa.s/m**3
7373
Reservoir density: 2800.00 kg/m**3
7474
Reservoir thermal conductivity: 2.70 W/m/K
@@ -77,74 +77,74 @@ Simulation Metadata
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***RESERVOIR SIMULATION RESULTS***
7979

80-
Maximum Production Temperature: 164.0 degC
81-
Average Production Temperature: 159.1 degC
82-
Minimum Production Temperature: 128.9 degC
83-
Initial Production Temperature: 162.0 degC
84-
Average Reservoir Heat Extraction: 21.13 MW
80+
Maximum Production Temperature: 166.8 degC
81+
Average Production Temperature: 165.3 degC
82+
Minimum Production Temperature: 154.7 degC
83+
Initial Production Temperature: 164.9 degC
84+
Average Reservoir Heat Extraction: 20.08 MW
8585
Production Wellbore Heat Transmission Model = Ramey Model
86-
Average Production Well Temperature Drop: 3.5 degC
87-
Total Average Pressure Drop: 12623.1 kPa
88-
Average Injection Well Pressure Drop: 339.8 kPa
89-
Average Reservoir Pressure Drop: 13906.2 kPa
90-
Average Production Well Pressure Drop: 341.9 kPa
91-
Average Buoyancy Pressure Drop: -1964.8 kPa
86+
Average Production Well Temperature Drop: 3.3 degC
87+
Total Average Pressure Drop: 12829.5 kPa
88+
Average Injection Well Pressure Drop: 304.1 kPa
89+
Average Reservoir Pressure Drop: 14000.3 kPa
90+
Average Production Well Pressure Drop: 309.7 kPa
91+
Average Buoyancy Pressure Drop: -1784.6 kPa
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9494
***CAPITAL COSTS (M$)***
9595

96-
Drilling and completion costs: 10.21 MUSD
97-
Drilling and completion costs per vertical production well: 3.06 MUSD
98-
Drilling and completion costs per vertical injection well: 3.06 MUSD
96+
Drilling and completion costs: 9.64 MUSD
97+
Drilling and completion costs per vertical production well: 2.79 MUSD
98+
Drilling and completion costs per vertical injection well: 2.79 MUSD
9999
Drilling and completion costs per non-vertical sections: 3.61 MUSD
100100
Stimulation costs: 1.51 MUSD
101-
Surface power plant costs: 9.60 MUSD
102-
Field gathering system costs: 1.54 MUSD
103-
Total surface equipment costs: 11.14 MUSD
104-
Exploration costs: 3.65 MUSD
105-
Total capital costs: 26.51 MUSD
101+
Surface power plant costs: 10.01 MUSD
102+
Field gathering system costs: 1.53 MUSD
103+
Total surface equipment costs: 11.54 MUSD
104+
Exploration costs: 3.44 MUSD
105+
Total capital costs: 26.14 MUSD
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108108
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
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110110
Wellfield maintenance costs: 0.18 MUSD/yr
111-
Power plant maintenance costs: 0.34 MUSD/yr
111+
Power plant maintenance costs: 0.36 MUSD/yr
112112
Water costs: 0.02 MUSD/yr
113-
Total operating and maintenance costs: 0.54 MUSD/yr
113+
Total operating and maintenance costs: 0.56 MUSD/yr
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***SURFACE EQUIPMENT SIMULATION RESULTS***
117117

118-
Initial geofluid availability: 0.13 MW/(kg/s)
119-
Maximum Total Electricity Generation: 2.46 MW
120-
Average Total Electricity Generation: 2.27 MW
121-
Minimum Total Electricity Generation: 1.19 MW
122-
Initial Total Electricity Generation: 2.38 MW
123-
Maximum Net Electricity Generation: 1.81 MW
124-
Average Net Electricity Generation: 1.61 MW
125-
Minimum Net Electricity Generation: 0.50 MW
126-
Initial Net Electricity Generation: 1.72 MW
127-
Average Annual Total Electricity Generation: 17.75 GWh
128-
Average Annual Net Electricity Generation: 12.62 GWh
129-
Initial pumping power/net installed power: 37.89 %
130-
Average Pumping Power: 0.66 MW
118+
Initial geofluid availability: 0.14 MW/(kg/s)
119+
Maximum Total Electricity Generation: 2.58 MW
120+
Average Total Electricity Generation: 2.52 MW
121+
Minimum Total Electricity Generation: 2.08 MW
122+
Initial Total Electricity Generation: 2.50 MW
123+
Maximum Net Electricity Generation: 1.91 MW
124+
Average Net Electricity Generation: 1.85 MW
125+
Minimum Net Electricity Generation: 1.40 MW
126+
Initial Net Electricity Generation: 1.83 MW
127+
Average Annual Total Electricity Generation: 19.67 GWh
128+
Average Annual Net Electricity Generation: 14.42 GWh
129+
Initial pumping power/net installed power: 36.79 %
130+
Average Pumping Power: 0.67 MW
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************************************************************
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* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
134134
************************************************************
135135
YEAR THERMAL GEOFLUID PUMP NET FIRST LAW
136136
DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY
137137
(degC) (MW) (MW) (%)
138-
1 1.0000 161.98 0.6529 1.7232 7.9667
139-
2 1.0089 163.42 0.6525 1.7837 8.1537
140-
3 1.0108 163.72 0.6524 1.7964 8.1923
141-
4 1.0118 163.88 0.6523 1.8030 8.2124
142-
5 1.0124 163.98 0.6523 1.8071 8.2250
143-
6 1.0124 163.98 0.6524 1.8070 8.2244
144-
7 1.0092 163.47 0.6530 1.7850 8.1566
145-
8 0.9954 161.23 0.6556 1.6895 7.8576
146-
9 0.9584 155.25 0.6624 1.4422 7.0418
147-
10 0.8879 143.82 0.6749 1.0025 5.4099
138+
1 1.0000 164.87 0.6716 1.8255 9.1263
139+
2 1.0080 166.20 0.6713 1.8819 9.3032
140+
3 1.0097 166.47 0.6712 1.8937 9.3397
141+
4 1.0106 166.61 0.6712 1.8998 9.3587
142+
5 1.0111 166.71 0.6711 1.9039 9.3712
143+
6 1.0115 166.77 0.6711 1.9067 9.3798
144+
7 1.0115 166.77 0.6712 1.9066 9.3795
145+
8 1.0096 166.46 0.6715 1.8930 9.3368
146+
9 1.0014 165.11 0.6730 1.8338 9.1501
147+
10 0.9787 161.36 0.6770 1.6735 8.6261
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*******************************************************************
@@ -153,16 +153,16 @@ Simulation Metadata
153153
YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
154154
PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
155155
(GWh/year) (GWh/year) (10^15 J) (%)
156-
1 13.9 171.8 7.55 7.57
157-
2 14.1 172.7 6.92 15.19
158-
3 14.2 173.0 6.30 22.82
159-
4 14.2 173.2 5.68 30.45
160-
5 14.3 173.2 5.05 38.09
161-
6 14.2 173.0 4.43 45.72
162-
7 13.8 171.3 3.81 53.27
163-
8 12.5 166.0 3.22 60.60
164-
9 9.8 154.4 2.66 67.40
165-
10 5.3 122.8 2.22 72.82
156+
1 14.7 158.8 8.09 6.61
157+
2 14.9 159.7 7.51 13.25
158+
3 15.0 160.0 6.93 19.90
159+
4 15.0 160.1 6.36 26.56
160+
5 15.0 160.2 5.78 33.22
161+
6 15.0 160.3 5.20 39.88
162+
7 15.0 160.1 4.63 46.54
163+
8 14.7 159.1 4.06 53.16
164+
9 13.9 155.8 3.49 59.64
165+
10 11.0 134.0 3.01 65.21
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********************************
@@ -172,14 +172,14 @@ Year Electricity | Heat |
172172
Since Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | OPEX Net Rev. Net Cashflow
173173
Start (cents/kWh)(MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(USD/tonne) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD)
174174
________________________________________________________________________________________________________________________________________________________________________________________
175-
1 0.00 -26.51 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -26.51 -26.51
176-
2 15.00 1.54 2.08 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.54 -24.97
177-
3 15.00 1.58 4.20 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.58 -23.39
178-
4 15.41 1.64 6.39 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.64 -21.75
179-
5 15.81 1.71 8.64 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.71 -20.04
180-
6 16.22 1.77 10.95 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.77 -18.27
181-
7 16.62 1.82 13.31 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.82 -16.46
182-
8 17.03 1.80 15.65 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.80 -14.65
183-
9 17.43 1.63 17.82 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.63 -13.02
184-
10 17.84 1.20 19.56 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.54 1.20 -11.83
175+
1 0.00 -26.14 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -26.14 -26.14
176+
2 15.00 1.64 2.20 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.64 -24.50
177+
3 15.00 1.67 4.44 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.67 -22.83
178+
4 15.41 1.74 6.74 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.74 -21.09
179+
5 15.81 1.81 9.11 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.81 -19.28
180+
6 16.22 1.87 11.55 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.87 -17.41
181+
7 16.62 1.94 14.05 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.94 -15.47
182+
8 17.03 1.99 16.60 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.99 -13.48
183+
9 17.43 2.01 19.17 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 2.01 -11.48
184+
10 17.84 1.92 21.65 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.56 1.92 -9.56
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