| Title | Deep geothermal energy in Canadian sedimentary basins VS. Fossils based energy we try to replace - Exergy [KJ/KG] compared |
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| Author | Majorowicz, J; Grasby, S E |
| Source | Renewable Energy vol. 141, 2019 p. 259-277, https://doi.org/10.1016/j.renene.2019.03.098 |
| Image |  |
| Year | 2019 |
| Alt Series | Natural Resources Canada, Contribution Series 20180449 |
| Publisher | Elsevier BV |
| Document | serial |
| Lang. | English |
| Media | paper; on-line; digital |
| File format | pdf |
| Province | Canada; British Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut;
Canada |
| NTS | 1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65;
66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560 |
| Subjects | geophysics; fossil fuels; Science and Technology; Economics and Industry; energy resources; geothermal energy; geothermal resources; petroleum resources; sedimentary basins; thermal analyses; heat flow;
flow rates; geothermal gradient; structural controls; Energy technology; Costs; Economic analysis |
| Illustrations | location maps; geoscientific sketch maps; profiles; tables; plots |
| Program | Geoscience for New Energy Supply (GNES) Geothermal Energy |
| Released | 2019 04 04 |
| Abstract | Low efficiency of turbines used in geothermal power production, along with large power demand for geothermal fluid pumping, limits use of geothermal resources for power production in the Canadian low to
mid enthalpy basins. Much larger areas of Canadian sedimentary basins have potential for geothermal direct heating, but use will be dependent on the amortization period of the installation cost as well as the parasitic power demand to maintain large
flow rates in injection and production wells. Maximum exergy (kJ/kg) potential for the most perspective geothermal resources in the deeper parts of Canadian basins (150?kJ/kg (0.15?MJ/kg)), are compared to exergy contained by the intrinsic chemical
energy in oil, gas and coal (30–35?MJ/kg) that is required to be replaced in order to reduce carbon emissions. The calculated number of geothermal producing doublet well systems, at very high assumed flows of 0.08?m3/s (80?L/s), required to replace
an average oil producing well in Alberta –WCSB will be?>?10. But, such high exergy is available only in the deepest northern parts of the WCSB. |
| Summary | (Plain Language Summary, not published)
This paper examines the economic potential for geothermal energy (both power and heat) in sedimentary basins in Canada, as well as the ability to offset
hydrocarbon energy supplies. The results define regions were geothermal has potential for net energy gain (energy required to produce geothermal fluids is less than energy extracted from those fluids. |
| GEOSCAN ID | 314558 |
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