Title: |
Analysis of Recharge Cooldown at the Ljestern Boundary of Cerro Prieto I Geothermal Field |
Authors: |
Paul Kruger, Stephen Lam, Anstein Hunsbedt, Carlos Esquer, Ricardo Marquez, Lourdes Hernandez, Juan Cobo |
Geo Location: |
Cerro Prieto, Mexico |
Conference: |
Stanford Geothermal Workshop |
Year: |
1985 |
Session: |
Field Development |
Language: |
English |
File Size: |
183KB |
View File: |
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Extensive study of the Cerro Prieto geothermal' field has provided much geologic and thermodynamic data of its structurallycomplex, liquid-dominated reservoir. Several of the studies investigated the resource characteristics of fluid and energy flow. An early report by Mercado (1975) showed that the heat source for the part of the reservoir under development, now called Cerro Prieto I (CPI), originated in the eastern part of the field. Subsequent studies confirmed the flow of hot water from the east. A summary of several experimental and numerical studies of fluid and energy transport in the field was given by Lippmann and Bodvarsson (1983). The hydrogeologic model of Halfman et al. (1982) shows hot-water flow from the east divided into a shallow (alpha) aquifer at about 12OOm and a deeper (beta) aquifer at about 170Om depth. A cross section along an east-west direction shows a central upflow to the two aquifers and uncertain geology beyond the western border of the field near well M-9. It also shows a fault dividing the line of border wells at M-29 from the inner wells at M-25 to the east.
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