Theoretical analysis of two-phase porous flow in low-permeability oil reservoirs in a five-spot pattern

被引：0
|
作者：
Wang, Ming [1 ]
Zhu, Wei-Yao [1 ]
Liu, He [2 ]
Zhang, Yu-Guang [2 ]
Song, Hong-Qing [1 ]
机构：
[1] School of Civil and Environmental Engineering, University of Science Technology Beijing, Beijing 100083, China
[2] Daqing Oilfield Co. Ltd., Daqing 163100, China
来源：
Beijing Keji Daxue Xuebao/Journal of University of Science and Technology Beijing | 2009年 / 31卷 / 12期
关键词：
Low permeability reservoirs - Hydraulic fracturing - Petroleum reservoir engineering - Productivity - Two phase flow;
D O I：
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中图分类号：
学科分类号：
摘要：
A theoretical model of three-region coupling in consideration of non-Darcy flow in the matrix region with kickoff pressure gradient, ellipse flow in the matrix-fracture region and nonlinear flow in the fracture region was proposed on the base of the three-region physical models of matrix-fracture coupling for integer hydraulic fracturing in low-permeability oil reservoirs. A mathematical model of two-phase porous flow in low-permeability oil reservoirs in a five-spot pattern was developed. The factors influencing the productivity of the oil reservoirs were analyzed. It is shown that the productivity of low-permeability oil reservoirs calculated by the mathematical model is in agreement with practical data.
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页码：1511 / 1515
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