Geothermal resources of the Beijing area, China |
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| Authors: | Yang Qilong G Bodvarsson G Axelsson |
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| Affiliation: | 1. Bureau of Hydrogeology and Engineering Geology, Ministry of Geology and Mineral Resources, Beijing, China;2. College of Oceanography, Oregon State University, Corvallis, OR 97331 U.S.A.;1. Department of Mathematics, University of Bergen, Allègaten 41, Bergen 5007, Norway;2. Dipartimento di Scienze Matematiche, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy;1. MOE Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China;2. Department of Earth Sciences, Durham University, Durham DH1 3LE, UK;3. Geological Lab Center, China University of Geosciences, Beijing 100083, China;4. ARC Center of Excellence for Core to Crust Fluid Systems (CCFS) and The Institute for Geoscience Research (TIGeR), Department of Applied Geology, Curtin University, Perth 6845, Australia |
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| Abstract: | Hot water resources were discovered in 1970 at a fairly shallow depth below the city of Beijing. The total areal extent of the geothermal field is presently estimated at more than 100 km2. The two known thermal aquifers are composed of fractured dolomites and the temperature of the aquifers ranges from 53 to 80°C. Based on the production-drawdown history of the Beijing geothermal field, for the period 1971–1981, the unit step response of the reservoir is obtained. Parameters of a simple lumped two-capacitor model, matched with the unit step response, furnish some information on dimensions and overall potential of the Beijing reservoir. |
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