Numerical Simulation of Thick Oil-layer with Ultra-low Permeability in Changqing Oilfield

被引：0
|
作者：
Xie Yu-feng [1 ]
Yang Zheng-ming [2 ]
Zhu Zhi-qiang [1 ]
Liu Ji [1 ]
机构：
[1] Chinese Acad Sci, Inst Porous Flow & Fluid Mech, Langfang, Peoples R China
[2] Res Inst Petr Explorat & Dev Langfang, Langfang, Peoples R China
来源：
2011 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2011年
关键词：
ultra-low permeability; thick oil-layer; nonlinear flow; numerical simulation; perforation degree;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Chang 6 oil-layer in Huaqing district of Changqing oilfield is a typical thick oil layer with ultra-low permeability. After 2 years' water flooding development, some of the production wells have been flooded with low oil recovery. Based on the geological model of Huaqing district, the ideal numerical models are established using the nonlinear flow numerical simulation software. Then the characteristics of water flooding development and influence factors are researched. At last, the perforation degree is optimized. The numerical simulation results show that the best perforation degree for positive and inverted rhythm of thick oil layer is 0.2 and 0.4 respectively.
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页数：4
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