Pressure Response to Production and Injection at the Miravalles Geothermal Field
- Key words
- pressure response, injection, Miravalles Field
- Location
- Miravalles, Costa Rica
- Conference
- Stanford Geothermal Workshop
- Year
- 2004
- Session
- FIELD STUDIES
- Language
- English
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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, installed 1994), a
wellhead unit (5 MWe, 1995), Unit 2 (55 MWe,
1998) and Unit 3 (27.5 MWe, 2000). Unit 5, a 15.5
MWe ìbottoming cycleî unit, is expected to
complete its final tests by February 2004, at which
point the total installed capacity in Miravalles will be
158 MWe. The behavior of reservoir pressure during
the period of exploitation is described in the
following sections. Over the first ten years of
exploitation, the field has successfully supplied the
steam needed to generate at the installed capacity.
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