Thermal extraction analysis of five Los Azufres production wells

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Thermal energy extraction from five wells supplying 5-MWe wellhead generators in three zones of the Los Azufres geothermal field has been examined from production and chemical data compiled over 14-years of operation. The data, as annual means, are useful in observing small-scale changes in reservoir performance with continuous production. The chemical components are chloride for quality control and the geothermometer elements for reservoir temperatures. The flowrate and fluid enthalpy data are used to calculate the thermal extraction rates. Integration of these data provides an estimate of the total energy extracted from the zone surrounding the well. The combined production and ... continued below

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17-22

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Kruger, Paul & Quijano, Luis January 26, 1995.

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Description

Thermal energy extraction from five wells supplying 5-MWe wellhead generators in three zones of the Los Azufres geothermal field has been examined from production and chemical data compiled over 14-years of operation. The data, as annual means, are useful in observing small-scale changes in reservoir performance with continuous production. The chemical components are chloride for quality control and the geothermometer elements for reservoir temperatures. The flowrate and fluid enthalpy data are used to calculate the thermal extraction rates. Integration of these data provides an estimate of the total energy extracted from the zone surrounding the well. The combined production and chemical geothermometer data are used to model the produced fluid as coming from just-penetrating wells for which the annual produced mass originates from a series of concentric hemispheric shells moving out into the reservoir. Estimates are made of the drawdown distance into the reservoir and the far-field conditions.

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17-22

Source

  • Proceedings, Twentieth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, January 24-25, 1995

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  • Report No.: SGP-TR-150-4
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889297
  • Archival Resource Key: ark:/67531/metadc884771

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  • January 26, 1995

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 7, 2016, 11:05 p.m.

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Kruger, Paul & Quijano, Luis. Thermal extraction analysis of five Los Azufres production wells, article, January 26, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc884771/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.