Skip to content

Commit e147275

Browse files
Stub Fervo case study example
1 parent 954f9be commit e147275

File tree

3 files changed

+285
-1
lines changed

3 files changed

+285
-1
lines changed
Lines changed: 239 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,239 @@
1+
*****************
2+
***CASE REPORT***
3+
*****************
4+
5+
Simulation Metadata
6+
----------------------
7+
GEOPHIRES Version: 3.4.28
8+
GEOPHIRES Build Date: 2024-03-05
9+
Simulation Date: 2024-05-06
10+
Simulation Time: 09:14
11+
Calculation Time: 0.675 sec
12+
13+
***SUMMARY OF RESULTS***
14+
15+
End-Use Option: Electricity
16+
Average Net Electricity Production: 2.45 MW
17+
Electricity breakeven price: 40.19 cents/kWh
18+
Number of production wells: 1
19+
Number of injection wells: 1
20+
Flowrate per production well: 63.0 kg/sec
21+
Well depth (or total length, if not vertical): 2.3 kilometer
22+
Geothermal gradient: 0.0680 degC/m
23+
24+
25+
***ECONOMIC PARAMETERS***
26+
27+
Economic Model = Fixed Charge Rate (FCR)
28+
Fixed Charge Rate (FCR): 5.00
29+
Accrued financing during construction: 0.00
30+
Project lifetime: 30 yr
31+
Capacity factor: 90.0 %
32+
Project NPV: -131.75 MUSD
33+
Project IRR: 0.00 %
34+
Project VIR=PI=PIR: -0.03
35+
Project MOIC: -0.81
36+
Project Payback Period: N/A
37+
38+
***ENGINEERING PARAMETERS***
39+
40+
Number of Production Wells: 1
41+
Number of Injection Wells: 1
42+
Well depth (or total length, if not vertical): 2.3 kilometer
43+
Water loss rate: 2.0
44+
Pump efficiency: 80.0
45+
Injection temperature: 50.0 degC
46+
Production Wellbore heat transmission calculated with Ramey's model
47+
Average production well temperature drop: 2.2 degC
48+
Flowrate per production well: 63.0 kg/sec
49+
Injection well casing ID: 7.000 in
50+
Production well casing ID: 7.000 in
51+
Number of times redrilling: 0
52+
Power plant type: Single-Flash
53+
54+
55+
***RESOURCE CHARACTERISTICS***
56+
57+
Maximum reservoir temperature: 500.0 degC
58+
Number of segments: 1
59+
Geothermal gradient: 0.0680 degC/m
60+
61+
62+
***RESERVOIR PARAMETERS***
63+
64+
Reservoir Model = Multiple Parallel Fractures Model
65+
Bottom-hole temperature: 179.60 degC
66+
Fracture model = Square
67+
Well separation: fracture height: 900.00 meter
68+
Fracture area: 810000.00 m**2
69+
Reservoir volume: 1000000000 m**3
70+
Reservoir hydrostatic pressure: 22750.31 kPa
71+
Plant outlet pressure: 100.00 kPa
72+
Injectivity Index: 5.00 kg/sec/bar
73+
Reservoir density: 2700.00 kg/m**3
74+
Reservoir thermal conductivity: 2.70 W/m/K
75+
Reservoir heat capacity: 1000.00 J/kg/K
76+
77+
78+
***RESERVOIR SIMULATION RESULTS***
79+
80+
Maximum Production Temperature: 177.6 degC
81+
Average Production Temperature: 177.4 degC
82+
Minimum Production Temperature: 176.1 degC
83+
Initial Production Temperature: 176.1 degC
84+
Average Reservoir Heat Extraction: 32.92 MW
85+
Production Wellbore Heat Transmission Model = Ramey Model
86+
Average Production Well Temperature Drop: 2.2 degC
87+
Average Injection Well Pump Pressure Drop: 1375.6 kPa
88+
89+
90+
***CAPITAL COSTS (M$)***
91+
92+
Drilling and completion costs: 80.00 MUSD
93+
Drilling and completion costs per well: 40.00 MUSD
94+
Stimulation costs: 1.51 MUSD
95+
Surface power plant costs: 13.37 MUSD
96+
Field gathering system costs: 1.16 MUSD
97+
Total surface equipment costs: 14.53 MUSD
98+
Exploration costs: 32.20 MUSD
99+
Total capital costs: 128.24 MUSD
100+
Annualized capital costs: 6.41 MUSD
101+
102+
103+
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
104+
105+
Wellfield maintenance costs: 0.88 MUSD/yr
106+
Power plant maintenance costs: 0.41 MUSD/yr
107+
Water costs: 0.03 MUSD/yr
108+
Total operating and maintenance costs: 1.32 MUSD/yr
109+
110+
111+
***SURFACE EQUIPMENT SIMULATION RESULTS***
112+
113+
Initial geofluid availability: 0.13 MW/(kg/s)
114+
Maximum Total Electricity Generation: 2.57 MW
115+
Average Total Electricity Generation: 2.56 MW
116+
Minimum Total Electricity Generation: 2.52 MW
117+
Initial Total Electricity Generation: 2.52 MW
118+
Maximum Net Electricity Generation: 2.46 MW
119+
Average Net Electricity Generation: 2.45 MW
120+
Minimum Net Electricity Generation: 2.41 MW
121+
Initial Net Electricity Generation: 2.41 MW
122+
Average Annual Total Electricity Generation: 20.10 GWh
123+
Average Annual Net Electricity Generation: 19.24 GWh
124+
Initial pumping power/net installed power: 4.53 %
125+
Average Pumping Power: 0.11 MW
126+
127+
************************************************************
128+
* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
129+
************************************************************
130+
YEAR THERMAL GEOFLUID PUMP NET FIRST LAW
131+
DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY
132+
(degC) (MW) (MW) (%)
133+
1 1.0000 176.14 0.1090 2.4091 7.3909
134+
2 1.0039 176.84 0.1090 2.4340 7.4263
135+
3 1.0051 177.04 0.1090 2.4412 7.4365
136+
4 1.0057 177.14 0.1090 2.4449 7.4417
137+
5 1.0061 177.21 0.1090 2.4474 7.4452
138+
6 1.0063 177.26 0.1090 2.4492 7.4478
139+
7 1.0066 177.30 0.1090 2.4506 7.4499
140+
8 1.0068 177.33 0.1090 2.4518 7.4515
141+
9 1.0069 177.36 0.1090 2.4528 7.4529
142+
10 1.0070 177.38 0.1090 2.4536 7.4541
143+
11 1.0072 177.40 0.1090 2.4544 7.4552
144+
12 1.0073 177.42 0.1090 2.4551 7.4561
145+
13 1.0074 177.44 0.1090 2.4557 7.4570
146+
14 1.0074 177.45 0.1090 2.4562 7.4578
147+
15 1.0075 177.47 0.1090 2.4567 7.4585
148+
16 1.0076 177.48 0.1090 2.4572 7.4591
149+
17 1.0077 177.49 0.1090 2.4576 7.4597
150+
18 1.0077 177.50 0.1090 2.4580 7.4603
151+
19 1.0078 177.51 0.1090 2.4583 7.4608
152+
20 1.0078 177.52 0.1090 2.4587 7.4613
153+
21 1.0079 177.53 0.1090 2.4590 7.4617
154+
22 1.0079 177.54 0.1090 2.4593 7.4621
155+
23 1.0080 177.55 0.1090 2.4596 7.4626
156+
24 1.0080 177.55 0.1090 2.4599 7.4629
157+
25 1.0081 177.56 0.1090 2.4601 7.4633
158+
26 1.0081 177.57 0.1090 2.4604 7.4637
159+
27 1.0081 177.58 0.1090 2.4606 7.4640
160+
28 1.0082 177.58 0.1090 2.4608 7.4643
161+
29 1.0082 177.59 0.1090 2.4611 7.4646
162+
30 1.0082 177.59 0.1090 2.4613 7.4649
163+
164+
165+
*******************************************************************
166+
* ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
167+
*******************************************************************
168+
YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
169+
PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
170+
(GWh/year) (GWh/year) (10^15 J) (%)
171+
1 19.1 257.8 348.98 0.27
172+
2 19.2 258.6 348.05 0.53
173+
3 19.3 258.9 347.12 0.80
174+
4 19.3 259.1 346.19 1.06
175+
5 19.3 259.2 345.25 1.33
176+
6 19.3 259.3 344.32 1.60
177+
7 19.3 259.4 343.38 1.86
178+
8 19.3 259.4 342.45 2.13
179+
9 19.3 259.5 341.52 2.40
180+
10 19.3 259.5 340.58 2.67
181+
11 19.4 259.6 339.65 2.93
182+
12 19.4 259.6 338.71 3.20
183+
13 19.4 259.6 337.78 3.47
184+
14 19.4 259.7 336.84 3.73
185+
15 19.4 259.7 335.91 4.00
186+
16 19.4 259.7 334.97 4.27
187+
17 19.4 259.7 334.04 4.54
188+
18 19.4 259.8 333.10 4.80
189+
19 19.4 259.8 332.17 5.07
190+
20 19.4 259.8 331.23 5.34
191+
21 19.4 259.8 330.30 5.60
192+
22 19.4 259.8 329.36 5.87
193+
23 19.4 259.9 328.43 6.14
194+
24 19.4 259.9 327.49 6.41
195+
25 19.4 259.9 326.56 6.67
196+
26 19.4 259.9 325.62 6.94
197+
27 19.4 259.9 324.68 7.21
198+
28 19.4 259.9 323.75 7.48
199+
29 19.4 259.9 322.81 7.74
200+
30 16.2 216.6 322.03 7.97
201+
202+
203+
********************************
204+
* REVENUE & CASHFLOW PROFILE *
205+
********************************
206+
Year Electricity | Heat | Cooling | Carbon | Project
207+
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
208+
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)
209+
________________________________________________________________________________________________________________________________________________________________________________________
210+
1 0.00 -128.24 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -128.24 -128.24
211+
2 5.50 -0.27 1.05 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.27 -128.51
212+
3 5.50 -0.27 2.11 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.27 -128.78
213+
4 5.50 -0.26 3.17 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -129.04
214+
5 5.50 -0.26 4.23 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -129.30
215+
6 5.50 -0.26 5.29 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -129.56
216+
7 5.50 -0.26 6.35 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -129.82
217+
8 5.50 -0.26 7.41 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -130.08
218+
9 5.50 -0.26 8.48 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -130.34
219+
10 5.50 -0.26 9.54 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -130.60
220+
11 5.50 -0.26 10.61 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -130.86
221+
12 5.50 -0.26 11.67 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -131.12
222+
13 5.50 -0.26 12.74 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -131.37
223+
14 5.50 -0.26 13.80 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -131.63
224+
15 5.50 -0.26 14.87 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -131.89
225+
16 5.50 -0.26 15.93 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -132.15
226+
17 5.50 -0.26 17.00 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -132.40
227+
18 5.50 -0.26 18.06 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -132.66
228+
19 5.50 -0.26 19.13 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -132.92
229+
20 5.50 -0.26 20.19 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -133.17
230+
21 5.50 -0.26 21.26 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -133.43
231+
22 5.50 -0.26 22.33 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -133.69
232+
23 5.50 -0.26 23.39 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -133.94
233+
24 5.50 -0.26 24.46 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -134.20
234+
25 5.50 -0.26 25.53 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -134.45
235+
26 5.50 -0.26 26.59 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -134.71
236+
27 5.50 -0.26 27.66 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -134.96
237+
28 5.50 -0.26 28.73 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -135.22
238+
29 5.50 -0.26 29.79 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -135.48
239+
30 5.50 -0.26 30.86 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.32 -0.26 -135.73

0 commit comments

Comments
 (0)