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Title: Los Azufres geothermal field: Observed response after 12-year exploitation

Exploitation of the Los Azufres Geothermal field was initiated in August 1982, with the electric power generation of five 5-MW wellhead units. Since then another 70 MW have been installed. A large amount of information has been compiled, including geologic, geochemical, production, and reservoir characteristics. The data were evaluated to detect the extent of observable changes in the main reservoir parameters over the twelve-year production period. Pressure and temperature measurements in Los Azufres wells show that geothermal fluid distribution is strongly influenced by the presence of permeable structures. Wellhead production and chemical analysis of the separated brine show that we are dealing with a highly heterogeneous reservoir, were the drawdown and enthalpy changes depend on the position of the well being studied.
Authors:
 [1]
  1. Comision Federal De Electricidad, Los Azufres (Mexico)
Publication Date:
OSTI Identifier:
177298
Report Number(s):
CONF-951037--
TRN: 95:008065-0069
Resource Type:
Conference
Resource Relation:
Conference: Annual meeting of the Geothermal Resources Council, Reno, NV (United States), 8-11 Oct 1995; Other Information: PBD: 1995; Related Information: Is Part Of Accomplishments of the past and challenges of the future. Transactions, Volume 19; PB: 604 p.
Publisher:
Geothermal Resources Council, Davis, CA (United States)
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY; GEOTHERMAL RESOURCES; RESOURCE EXPLOITATION; MEXICO; GEOTHERMAL FIELDS; ELECTRIC POWER; PRODUCTION