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Title: Modeling studies of the Ahuachapan geothermal field, El Salvador

Conference ·
OSTI ID:7086453
; ;  [1]; ;  [2]
  1. Lawrence Berkeley Lab., CA (USA)
  2. Comision Ejecutiva Hidroelectrica del Rio Lempa (CEL) (El Salvador)

Modeling studies of Ahuachapan include analyses of interference test data, modeling of the fieldwide pressure decline and the development of a three-dimensional natural state model of the field. The main objective of this work is to obtain reasonable estimates for the transmissivity and storativity of the reservoir and to investigate fluid and heat flow patterns in the system. The analyses of the interference test data and the long term pressure decline data indicate that the average reservoir transmissivity is about 30 Dm and the storativity about 3.5 {times} 10{sup {minus}6} m/Pa. The natural state modeling supports an overall average transmissivity of 25--35 Dm and indicates that the system is recharged with 255{degree}C hot water at a rate of about 225 kg/s. The total thermal throughflow for the Ahuachapan system is estimated to be about 250 MW{sub t}. 10 refs., 11 figs., 3 tabs.

Research Organization:
Lawrence Berkeley Lab., CA (USA)
Sponsoring Organization:
DOE/CE
DOE Contract Number:
AC03-76SF00098
OSTI ID:
7086453
Report Number(s):
LBL-26872; CONF-890114-6; ON: DE90015306
Resource Relation:
Conference: 14. workshop on geothermal reservoir engineering, Stanford, CA (USA), 24-26 Jan 1989
Country of Publication:
United States
Language:
English