Temperature front progression associated with a geothermal well doublet: a numerical study

The temperature front progression associated with a geothermal well doublet is studied using aquifer parameters which are appropriate for an area of west-central Alberta for which investigations of the temperature regime and formation properties have been under way at the University of Alberta. The...

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Bibliographic Details
Published in:Geothermics 1984, Vol.13 (4), p.319-331
Main Authors: Rahman, M., Jones, F.W., Lam, H.L., Hutchence, K., Vigrass, L.W.
Format: Article
Language:English
Subjects:
Applied sciences
Earth sciences
Earth, ocean, space
Energy
Exact sciences and technology
Geothermal energy
Hydrology. Hydrogeology
Natural energy
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Summary:The temperature front progression associated with a geothermal well doublet is studied using aquifer parameters which are appropriate for an area of west-central Alberta for which investigations of the temperature regime and formation properties have been under way at the University of Alberta. The distance from the injection well to which the injection fluid disturbs the ambient aquifer temperature as a function of time is investigated for different flow rates, aquifer thicknesses and separations between the wells. It is found that breakthrough time to the producing well depends on all these parameters, and for relatively small aquifer thicknesses or short distances between wells there is evidence of premature breakthrough by a “finger” of fluid. The results should prove to be an important guide for practical designs.
ISSN:0375-6505
1879-3576
DOI:10.1016/0375-6505(84)90047-6