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Geofísica internacional
versão On-line ISSN 2954-436Xversão impressa ISSN 0016-7169
Resumo
ARAGON AGUILAR, Alfonso et al. Declining productivity in geothermal wells as a function of the damage effect. Geofís. Intl [online]. 2012, vol.51, n.4, pp.339-348. ISSN 2954-436X.
The inflow curve may be used to determinate the damage effect and wellbore characterization in geothermal fields. The methodology can be applied for determining damage effect in wells that cannot be retired from continuous exploitation. The skin or damage effect is usually estimated from transient pressure tests which require time. It was found that the damage effect in the wells increases with exploitation time and is related with deterioration of production. Knowledge of damage is needed for taking decisions about operations on the well for enhancement of productivity.
Palavras-chave : skin factor; damage effect; productivity; production decline; design exploitation; geothermal field; Los Azufres; Cerro Prieto.