Numerical studies on power generation from co-produced geothermal resources in oil fields and change in reservoir temperature |
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| Affiliation: | 1. Peking University, China;2. PetroChina, China;3. China University of Geosciences, Beijing, China;4. Stanford University, USA;1. Università degli Studi di Padova, Department of Geosciences, via Gradenigo, 6, 35131 Padova, Italy;2. Dipl.-Ing. Peter Neumann Baugrunduntersuchung GmbH & Co.KG, 24340 Eckernförde, Germany;3. Technische Universität Darmstadt Institute of Applied Geosciences, Department of Geothermal Science and Technology, 64287 Darmstadt, Germany;4. National Research Council, Institute of Geosciences and Earth Resources (CNR – IGG), via Gradenigo, 6, 35131 Padova, Italy;5. BGE mbh, Eschenweg 55, 31224 Peine, Germany;1. Lab LOCIE, Univ. Savoie, Campus Scientifique, Savoie Technolac, F-73376 Le Bourget-du-Lac Cedex, France;2. CNRS, Lab LOCIE, UMR 5271, F-38000 Grenoble, France;3. RYB-Terra, Groupe RYB – Siège Social, 33 route de Grenoble, F-38590 Saint-Étienne de Saint-Geoirs, France;1. Department of Industrial and Systems Engineering, 96 Frelinhuysen Road, CoRE Building 212, Piscataway, NJ 08854, United States;2. Department of Energy and Resources Engineering, Peking University, Beijing 100871, China;1. Department of Geosciences, University of Calgary, Alberta, Canada;2. Department of Civil Engineering, University of Calgary, Alberta, Canada;3. Université de Grenoble, 38041 Grenoble Cedex, France;1. Univ. Savoie, Lab LOCIE, Campus Scientifique, Savoie Technolac, F-73376 Le Bourget-du-Lac Cedex, France;2. CNRS, Lab LOCIE, F-38000 Grenoble, France;3. RYB-Terra, 33 route de Grenoble, F-38590 Saint-Etienne de Saint-Geoirs, France;4. Commissariat à l''Energie Atomique et aux Energies Alternatives, Institut National de l''Energie Solaire (CEA/INES), F-73370 Le Bourget-du-Lac Cedex, France |
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| Abstract: | The effects of injection rate and the temperature of injected (or re-injected) water on reservoir temperature during power generation by utilizing hot fluids co-produced from oil and gas field were studied using a numerical simulation approach. The chosen target reservoir was LB oil reservoir from Huabei oil field. The reservoir temperature was about 120 °C. It has been found that there was significant temperature decline if the water injection rate was greater than a specific value and the temperature of injected water was less than a specific value. Also studied were the effect of water injection rate on oil production and water cut in LB oil reservoir. The results demonstrated that the oil production increased with the water injection rate, which is reasonable and would be helpful to conduct the power generation project in LB oil reservoir from the economic point of view. |
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