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Advancing reactive tracer methods for monitoring thermal drawdown in geothermal enhanced geothermal reservoirs

  • Mitchell A. Plummer
  • , Carl D. Palmer
  • , Earl D. Mattson
  • , George D. Redden
  • , Laurence C. Hull

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Reactive tracers have long been considered a possible means of measuring thermal drawdown in a geothermal system before significant cooling occurs at the extraction well. In this study, we examine the sensitivity of successive reactive tracer tests to reservoir cooling and demonstrate a means of analyzing tracer test results based on a simplified geometric description of a geothermal reservoir. Sensitivity tests suggest that the approach can provide valuable information about the thermal evolution of the reservoir. We propose several modifications to the basic flow-through method that could provide increased sensitivity, including push-pull tracer tests at the injection well and utilization of a tracer reaction that is quenched before background reservoir temperature is reached.

Original languageEnglish
Title of host publicationGeothermal Resources Council Annual Meeting 2010, Geothermal 2010
Pages658-664
Number of pages7
StatePublished - 2010
EventGeothermal Resources Council Annual Meeting 2010, Geothermal 2010 - Sacramento, CA, United States
Duration: Oct 24 2010Oct 27 2010

Publication series

NameTransactions - Geothermal Resources Council
Volume34 2
ISSN (Print)0193-5933

Conference

ConferenceGeothermal Resources Council Annual Meeting 2010, Geothermal 2010
Country/TerritoryUnited States
CitySacramento, CA
Period10/24/1010/27/10

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