New High-Power Controlled Source Electromagnetic System for Geothermal Applications

  • Yardenia Martinez
  • , Abdul Latif Ashadi
  • , Hector R. Hinojosa
  • , Pantelis Soupios
  • , Kurt Strack

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

4 Scopus citations

Abstract

Electromagnetic (EM) methods have been widely used in geothermal exploration. EM passive methods such as Magnetotellurics (MT) and Audio Magnetotellurics (AMT) have been the industry standard due to the existing 3D interpretation tools. Passive methods encounter a few problems, including variations in signal strength, azimuth, static shift, and others stemming from cultural noise. A new high-power controlled-source electromagnetics (CSEM) array system offers a solution to these issues. By combining passive MT/AMT, CSEM measurements, and Cloud-enabled EM data acquisition and quality control, the EM array system provides a better solution in areas of high cultural noise and real-time quality checks of field data. We clearly see this in the field data examples. As we enter the energy transition, geothermal production with CO2 injection or cooling and re-injection of the produced fluid are of great interest for development and investment. By acquiring passive MT/AMT and CSEM, we obtain complementary measurements from both applications for exploration and monitoring.

Original languageEnglish
Title of host publicationUsing the Earth to Save the Earth - 2022 Geothermal Rising Conference
PublisherGeothermal Resources Council
Pages721-730
Number of pages10
ISBN (Electronic)9781713871040
StatePublished - 2022
Event2022 Geothermal Rising Conference: Using the Earth to Save the Earth, GRC 2022 - Reno, United States
Duration: 28 Aug 202231 Aug 2022

Publication series

NameTransactions - Geothermal Resources Council
Volume46
ISSN (Print)0193-5933

Conference

Conference2022 Geothermal Rising Conference: Using the Earth to Save the Earth, GRC 2022
Country/TerritoryUnited States
CityReno
Period28/08/2231/08/22

Bibliographical note

Publisher Copyright:
© 2022 Geothermal Resources Council. All rights reserved.

Keywords

  • Controlled-source electromagnetics (CSEM)
  • electrical anisotropy
  • geothermal exploration
  • magnetotellurics (MT)
  • monitoring

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Geophysics

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