You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
# Case Study: Fervo Project Cape 3: Extrapolation from Fervo results pre-published 2024-09-10 at
2
2
# https://eartharxiv.org/repository/view/7665/ to 400MWe capacity.
3
-
# Norbeck J., Gradl C., and Latimer T. 2024.
3
+
# Norbeck J., -- Gradl C., and Latimer T. 2024.
4
4
# "Deployment of Enhanced Geothermal System technology leads to rapid cost reductions and performance improvements."
5
5
# https://doi.org/10.31223/X5VH8C
6
-
7
-
8
6
Reservoir Model, 1
9
7
Reservoir Volume Option, 1
10
8
Reservoir Density, 2800
@@ -13,16 +11,13 @@ Reservoir Heat Capacity, 790
13
11
Reservoir Thermal Conductivity, 3.05
14
12
Reservoir Porosity, 0.0118
15
13
Reservoir Impedance, 0.001
16
-
17
14
Number of Fractures, 149
18
15
Fracture Shape, 4
19
16
Fracture Height, 2000
20
17
Fracture Width, 10000
21
18
Fracture Separation, 30
22
-
23
19
Number of Segments, 1
24
20
Gradient 1, 74, -- temperature at 8500 ft: 200 degC (https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf); 228.89 degC @ 9824 ft (https://doi.org/10.31223/X5VH8C)
25
-
26
21
Number of Injection Wells, 39
27
22
Number of Production Wells, 39
28
23
Production Flow Rate per Well, 120, -- peak flow reported in paper
@@ -40,13 +35,12 @@ Maximum Drawdown, 1
40
35
Ambient Temperature, 10 degC
41
36
Surface Temperature, 10 degC
42
37
End-Use Option, 1
43
-
Plant Lifetime, 15
38
+
Plant Lifetime, 20
44
39
Power Plant Type, 2
45
40
Circulation Pump Efficiency, 0.80
46
-
47
-
Exploration Capital Cost, 0
48
-
Well Drilling and Completion Capital Cost, 4, -- Assume cost continues to decrease from 4.8 (https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html)
49
-
Reservoir Stimulation Capital Cost, 78, -- $1M/well estimated
41
+
Exploration Capital Cost, 30
42
+
Well Drilling and Completion Capital Cost, 5.84, -- $3.84M/well + $2M/well additional stimulation cost
43
+
Reservoir Stimulation Capital Cost, 78, -- $3M/well - $1M as stimulation + $2M represented in well drilling cost
50
44
Economic Model, 3
51
45
Starting Electricity Sale Price, 0.15
52
46
Ending Electricity Sale Price, 1.00
@@ -58,15 +52,14 @@ Gross Revenue Tax Rate, 0
58
52
Inflated Bond Interest Rate, .05
59
53
Inflated Equity Interest Rate, .08
60
54
Inflation Rate, .02
61
-
Investment Tax Credit Rate, 0
55
+
Investment Tax Credit Rate, .3
62
56
Inflation Rate During Construction, 0.05
63
57
Property Tax Rate, 0
64
58
Time steps per year, 10
65
59
Maximum Temperature, 500
66
-
Surface Plant Capital Cost Adjustment Factor, 0.78, -- pad drilling reduces surface CAPEX by 22% https://www.resfrac.com/blog/digesting-the-bonkers-incredible-off-the-charts-spectacular-results-from-the-fervo-and-forge-enhanced-geothermal-projects
0 commit comments