Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors
Abstract
The spatial distribution of fracture/matrix heat exchange was measured while hot water was circulated through a single bedding plane fracture in shallow bedrock. The field site is interpreted here as a simple model for a geothermal reservoir. Here, thermal breakthrough was recorded at the production well and Fiber-Optic Distributed Temperature Sensing (DTS) monitored temperature in the rock matrix. Conservative tracer tests revealed that the reservoir fluid volume in two separate experiments were nearly identical. Thermal breakthrough measurements, however, revealed that reservoir fluid volume did not correlate to thermal performance because the two experiments encountered different effective areas of heat transfer along the fracture. Ground Penetrating Radar imaging of subsurface tracer transport and DTS corroborate these findings.a cold reservoir
- Authors:
-
- Cornell Univ., Ithaca, NY (United States)
- California State Univ. (CalState), Long Beach, CA (United States)
- Univ. of Kansas, Lawrence, KS (United States)
- Publication Date:
- Research Org.:
- Cornell Univ., Ithaca, NY (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Technology Development (EE-20)
- OSTI Identifier:
- 1843952
- Alternate Identifier(s):
- OSTI ID: 1413858
- Grant/Contract Number:
- EE0006764
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Geothermics
- Additional Journal Information:
- Journal Volume: 67; Journal ID: ISSN 0375-6505
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 58 GEOSCIENCES; Tracer testing; Ground penetrating radar; Flow channeling; Fiber-optic distributed temperature sensing; Thermal breakthrough
Citation Formats
Hawkins, Adam J., Becker, Matthew W., and Tsoflias, Georgios P. Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors. United States: N. p., 2017.
Web. doi:10.1016/j.geothermics.2017.01.006.
Hawkins, Adam J., Becker, Matthew W., & Tsoflias, Georgios P. Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors. United States. https://doi.org/10.1016/j.geothermics.2017.01.006
Hawkins, Adam J., Becker, Matthew W., and Tsoflias, Georgios P. Tue .
"Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors". United States. https://doi.org/10.1016/j.geothermics.2017.01.006. https://www.osti.gov/servlets/purl/1843952.
@article{osti_1843952,
title = {Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors},
author = {Hawkins, Adam J. and Becker, Matthew W. and Tsoflias, Georgios P.},
abstractNote = {The spatial distribution of fracture/matrix heat exchange was measured while hot water was circulated through a single bedding plane fracture in shallow bedrock. The field site is interpreted here as a simple model for a geothermal reservoir. Here, thermal breakthrough was recorded at the production well and Fiber-Optic Distributed Temperature Sensing (DTS) monitored temperature in the rock matrix. Conservative tracer tests revealed that the reservoir fluid volume in two separate experiments were nearly identical. Thermal breakthrough measurements, however, revealed that reservoir fluid volume did not correlate to thermal performance because the two experiments encountered different effective areas of heat transfer along the fracture. Ground Penetrating Radar imaging of subsurface tracer transport and DTS corroborate these findings.a cold reservoir},
doi = {10.1016/j.geothermics.2017.01.006},
journal = {Geothermics},
number = ,
volume = 67,
place = {United States},
year = {Tue Feb 07 00:00:00 EST 2017},
month = {Tue Feb 07 00:00:00 EST 2017}
}
Web of Science
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Works referencing / citing this record:
Dipole and Convergent Single-Well Thermal Tracer Tests for Characterizing the Effect of Flow Configuration on Thermal Recovery
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