Investigation of Water Coning in Fractured Reservoirs Based on Single Porosity Model
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Simultaneous production of oil and water from the oil well because of unbalancing between viscous and gravitational forces known as water coning phenomenon, hinders the oil production. Coning phenomenon is more challenging in fractured reservoir owing to their intrinsic heterogeneity. In order to study the coning phenomenon in fractured reservoir, one should solve the two phase governing partial differential equations of oil and water flow in heterogeneous porous media for radial system. Commonly fractured reservoirs are considered as matrix and fracture mediums and understanding the effect of interaction of matrixes and fractures on fluid flow are really a challenge. In this study we used a cylindrical system to simulate water coning around a single well in fractured reservoirs while utilizing governing partial differential equations in r and z directions for non-fractured reservoirs. After gridding of the system in r and z directions, several shells and discs will be created in vertical and horizontal directions respectively. Attributing proper permeability and porosity to some shells and discs, they can be imagined as vertical and horizontal fractures respectively. The influences of intensity and orientation of a fracture systems on breakthrough time of water into the wellbore are investigated based on above model.
Water Coning, Fractured Reservoirs, Single and Dual Porosity Model
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Foroozesh, J and Barzegari, D and Ayatollahi, Sh and Jahanmiri, A,1388,Investigation of Water Coning in Fractured Reservoirs Based on Single Porosity Model,06th International Congress on Chemical Engineering,Hajjiabad,https://civilica.com/doc/77807
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Ahmed, T.:"Reservoc Engineering Handbook." Texas:Gulf Professional Publishing (2001). ..._ Va nGolf-Racht, T.D. :"Fundamentak of Fractured Reservoir Enngineering." Amsterdam: ...Warren, J., and Root, P.J."The Behavior of Naturally Fractured Reservoir." ...Kazemi, H. :"Pressure Transient Analysis of Naturally Fractured Reservoirs With ...Kazemi, H., Merrill, L.S., Porterfiled, K.L., Zeman, P.R. :"Numerical Simulation ...Chen Hu.Zh. :"Numerical Simulation of Coning Behavior of a Single ...Blair, P. M., Weinaug, C.F.:"Solution of Two-Phase Flow Problems Using ...
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