EGS Collab project experiment 1 overview and progress

EGS Collab Team

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

1 Scopus citations

Abstract

Enhanced Geothermal Systems (EGS) offer the potential to extract and use large quantities of clean energy, but questions remain on reservoir creation and sustainability. The EGS Collab project, supported by the US Department of Energy's Geothermal Technologies Office, is establishing a suite of highly monitored and well-characterized intermediate-scale (~10-20 m) field test beds along with fracture stimulation and interwell flow tests to better understand processes that control formation of effective subsurface heat exchangers. EGS Collab tests will provide a means of testing tools and concepts that could later be employed under geothermal reservoir conditions at DOE's Frontier Observatory for Research in Geothermal Energy (FORGE) or enhanced geothermal systems. Key to the project is using numerical simulations in the experiment design and interpretation of results. Our first set of experiments is underway at the Sanford Underground Research Facility (SURF) in South Dakota. To date, stepwise stimulations have been performed at two locations, with the final stimulation connecting our injection and production wells. Numerous data have been collected and are currently being analyzed.

Original languageEnglish
Title of host publicationGeothermal's Role in Today's Energy Market - Geothermal Resources Council 2018 Annual Meeting, GRC 2018
PublisherGeothermal Resources Council
Pages735-755
Number of pages21
ISBN (Electronic)0934412235
StatePublished - 2018
EventGeothermal Resources Council 2018 Annual Meeting: Geothermal's Role in Today's Energy Market, GRC 2018 - Reno, United States
Duration: Oct 14 2018Oct 17 2018

Publication series

NameTransactions - Geothermal Resources Council
Volume42
ISSN (Print)0193-5933

Conference

ConferenceGeothermal Resources Council 2018 Annual Meeting: Geothermal's Role in Today's Energy Market, GRC 2018
Country/TerritoryUnited States
CityReno
Period10/14/1810/17/18

Funding

This material was based upon work supported by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE), Office of Technology Development, Geothermal Technologies Office, under Award Number DE-AC02-05CH11231 with LBNL and other awards with other national laboratories. The United States Government retains, and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. We thank the drillers of Agapito Associates, Inc., for their skill and dedicated efforts to create our test bed boreholes. The research supporting this work took place in whole or in part at the Sanford Underground Research Facility in Lead, South Dakota. The assistance of the Sanford Underground Research Facility and its personnel in providing physical access and general logistical and technical support is gratefully acknowledged. The earth model output for this paper was generated using Leapfrog Software. Copyright © Aranz Geo Limited. Leapfrog and all other Aranz Geo Limited product or registered trademarks or trademarks of Aranz Geo Limited.

FundersFunder number
U.S. Department of Energy
Office of Energy Efficiency and Renewable Energy
Office of Technology Development
Lawrence Berkeley National Laboratory
Geothermal Technologies OfficeDE-AC02-05CH11231
Geothermal Technologies Office

    Keywords

    • Coupled process modeling
    • Crystalline rock
    • EGS Collab
    • Enhanced Geothermal Systems
    • Experimental
    • Field test
    • Flow test
    • Sanford Underground Research Facility
    • Stimulation

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