Estimation of lateral water flow in an aquifer by thermal logging |
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| Authors: | Alan M. Jessop |
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| Affiliation: | 1. Faculty of Science, Department of Chemistry, Erciyes University, Melikgazi, Kayseri 38039, Turkey;2. Department of Veterinary, Sefaatli Vocational School, Yozgat Bozok University, Yozgat 66800, Turkey;3. Faculty of Pharmacy, Department of Basic Pharmaceutical Sciences, Suleyman Demirel University, Isparta 32260, Turkey;4. Faculty of Science, Department of Chemistry, Sivas Cumhuriyet University, Sivas, Turkey |
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| Abstract: | Temperature logs in an old brine-disposal well reveal a large thermal anomaly in and around the disposal aquifer. The shape and rate of decay of the anomaly permit comparison with a numerical model of the system, to give estimates of the initial amplitude of the anomaly and the rate at which the injected brine is being swept laterally from the injection zone centred on the well. It is found that the water in a portion of the Mannville Group near Regina is moving with a lateral flow rate of 2.6 m/yr, with a limit of probable error of 15%. It is not possible to determine the direction of movement by this method. The limited pressure data available suggest that flow of this rate may be greater than the mean regional flow. |
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