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Pre-exploitation state of the ahuachapa??n geothermal field, el salvador

Geothermics

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, , , , , , , , and

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Abstract

The lithology and structural features of the Ahuachapa??n geothermal area and their impact on the movement of cold and hot fluids within the system are described, as well as the development and evaluation of the natural state model of the field. Four major lithologic units are present in Ahuachapa??n and three major aquifers have been identified; flow patterns and zones of fluid mixing were located on the basis of temperature and geochemical data from wells and surface manifestations. Geologic structures control the heat and fluid recharge and the flow within the reservoir. Modeling studies suggest, in agreement with field data, an overall average transmissivity of 25-35 darcy-meters, and indicate that the system is recharged by waters with temperatures greater than 250??C. The total thermal throughflow for the Ahuachapa??n reservoir in the unexploited state is estimated to be about 250 MWt. ?? 1991.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Pre-exploitation state of the ahuachapa??n geothermal field, el salvador
Series title:
Geothermics
Volume
20
Issue:
1-2
Year Published:
1991
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geothermics
First page:
1
Last page:
22
Number of Pages:
22