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TitleEvaluation of geothermal resource potential of hot sedimentary aquifers in the Horn River Basin, northeast British Columbia, Canada
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorAkto, P; Chen, ZORCID logo; Hu, KORCID logo
SourceGeological Survey of Canada, Open File 8939, 2023, 38 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceBritish Columbia
NTS94I/14; 94I/13; 94J/16; 94J/15; 94J/14; 94P/04; 94P/05; 94P/03; 94P/06; 94P/12; 94P/11; 94P/13; 94P/14; 94O/01; 94O/02; 94O/03; 94O/06; 94O/07; 94O/08; 94O/09; 94O/10; 94O/11; 94O/14; 94O/15; 94O/16
AreaHorn River
Lat/Long WENS-123.5000 -121.0000 60.0000 58.7500
Subjectshydrogeology; geothermal energy; geothermal potential; aquifers; Middle Devonian; Upper Devonian; carbonates; Horn River Basin; Horn River Group; Otter Park Formation; Muskwa Formation; Keg River Formation; Pine Point Formation; Sulphur Point Formation; Slave Point Formation; Watt Mountain Formation; Granite Wash Formation
Illustrationslocation maps; cross-sections; plots; tables; histograms
ProgramEnergy Geoscience Geothermal Assessments
Released2023 01 18
AbstractThis study assesses the geothermal potential of Hot Sedimentary Aquifers underlying the Horn River Basin (HRB) based on analyses of borehole temperatures, geological and production data, core porosity and permeability measurements, and geophysical well logs. The proposed criteria are applied to evaluate the geothermal potential of the Horn River Group (HRG) and sub-HRG formations. Favourable spots are identified and ranked by applying temperature, thickness, porosity, permeability and flow rate mapping. The results show that the HRG and its underlying strata have a good potential of geothermal energy resource. Among the HRG formations with an average temperature of 110°C, the Otter Park Formation is the hottest and relatively thick with high water production rate. The Muskwa Formation is the second favourable for geothermal resource potential. Within the sub-HRGs, the Slave Point Formation is the most advantageous because of the high flow rate and high temperature, while the Keg River Formation is the hottest and thickest, and is considered as the second favorable stratigraphic unit. Combining the geological and geographical characteristics, four favourable hot zones have been identified, further indicating that the northwest Zone 1 and the southeast Zone 4 are the hottest areas with thicker reservoirs (>300m) and higher temperatures >130°C (at depth >3 km).
Summary(Plain Language Summary, not published)
This study assesses the geothermal potential of Hot Sedimentary Aquifers that underlie the Horn River Basin. Based on data analyses from borehole temperatures, reservoir and production data, core measurements, and geophysical well logs, a set of geological criteria for qualitative evaluation of the geothermal potential in this basin is presented. The proposed criteria are applied to the Horn River Group and its underlying formations. Hot spots are identified and ranked by applying temperature, thickness, porosity and permeability and flow rate.

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