Environmental Engineering Reference
In-Depth Information
Table 4. Continued
Tr
(
℃
)
Field
Well
Gas composition (mol %)
Reference
283
*2
Okuaizu
84N-6T
0.45
262
*2
87N-14T
0.57
299
*2
87N-15T
0.16
186
*2
Hohi
DY-1
0.0032
0.00073
0.000007
0.000013
-
-
284
*2
Broadlands
BR-11
0.178
0.00152
0.00333
nd
-
-
300
*2
BR-25
0.524
0.00653
0.0145
nd
-
-
317
*2
Kirishima
KT-5
0.2080
0.0057
0.012294
-
-
-
Sawaki et al. (1997)
281
*2
KT-8
0.0004
0.0002
0.000184
-
-
-
224
*2
KE1-3
0.0026
0.0003
0.000161
-
-
-
229
*2
KE1-4
0.0018
0.0008
0.000121
-
-
-
236
*2
KE1-5
0.0053
0.0035
0.001068
-
-
-
265
*2
KE1-11
0.0004
-
0.000006
-
-
-
234
*2
KE1-19S
0.0015
0.0000
0.000008
-
-
-
Tr, reservoir temperature; nd, not detected. *1Temperature was calculated using the quartz geothermometer with adiabatic cooling (Truesdell, 1976), *2Temperatures
estimated from the Na-K-Ca geothermometer (Fournier and Truesdell, 1973). Gas composition was calculated using the chemical composition of steam discharged
from geothermal well and Tr.
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