Geometric nature of hydraulic fracture propagation in naturally-fractured reservoirs |
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| Institution: | 1. Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom;2. Geotechnical Institute, TU Bergakademie Freiberg, Gustav-Zeuner-Str. 1, 09596 Freiberg, Germany;1. College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;2. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;3. School of Civil and Environmental Engineering, Georgia Institute of Technology, GA 30332, USA;1. Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA, USA;2. Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA;3. Schlumberger-Doll Research, Cambridge, MA, USA;4. Schlumberger Dhahran Carbonate Research, Saudi Arabia;1. Department of Mining Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Department of Mining Engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran;3. Faculty of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, China;2. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing, China;3. Department of Energy and Mineral Engineering, G3 Center and EMS Energy Institute, Penn State University, University Park, PA, USA;4. Northwest Engineering Corporation Limited, Power China, Xi’an, China;1. College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;2. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;3. School of Civil and Environmental Engineering, Georgia Institute of Technology, GA 30332, USA |
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| Abstract: | The geometry of hydraulic fracture propagation in the absence and presence of natural fractures in reservoirs was studied. The results revealed a marked influence of natural fractures on the symmetry of fracture propagation observed for rock free of natural fractures. Natural fracture properties such as stiffness and approaching angle, and the distance from wellbore to the natural fracture were found to influence the hydraulic fracture geometry. Furthermore, the location of the wellbore with respect to the natural fractures in a reservoir having a system of natural fractures displayed a significant influence on the resulting geometry of hydraulic fracture propagation. |
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| Keywords: | Hydraulic fracturing Fracture propagation Numerical modelling |
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