Investigation of Water Coning in Fractured Reservoirs Based on Single Porosity Model
محل انتشار: ششمین کنگره بین المللی مهندسی شیمی
سال انتشار: 1388
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,895
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شناسه ملی سند علمی:
ICHEC06_535
تاریخ نمایه سازی: 1 مهر 1388
چکیده مقاله:
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.
کلیدواژه ها:
نویسندگان
J Foroozesh
PhD Student, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
D Barzegari
Msc of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
Sh Ayatollahi
Professor, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
A Jahanmiri
Professor, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
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