First Eleven Years of Exploitation at the Miravalles Geothermal Field
- Key words
- Exploitation, Miravalles Geothermal Field, Costa Rica
- Location
- Miravalles, Costa Rica
- Conference
- Stanford Geothermal Workshop
- Year
- 2005
- Session
- Reservoir Engineering
- Language
- English
- Paper number
- Moya1
Full text
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Abstract
The Miravalles Geothermal Field has been producing electric energy since March 1994. It has provided steam for Unit 1 (55 MWe) since 1994, a Wellhead Unit (5 MWe) installed in 1995, Unit 2 (55 MWe) in 1998, Unit 3 (29 MWe) in 2000 and Unit 5 (19 MWe, a binary plant) in year 2004. The total installed capacity in Miravalles is therefore 163 MWe.
The reservoir response during the ten years of exploitation is described in the following sections. So far the field has successfully supplied the steam needed to maintain constant production over the first ten years of exploitation. Field management policies as well as injection strategies have been implemented to support the pressure decline in the reservoir.
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