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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2017-04
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A Novel “Loop Maneuver” Approach Equivalent Simulate About Start-Up Pressure Gradient

ZENG Yang;KANG Xiaodong;XIE Xiaoqing;ZHAO Wensen;State Key Laboratory of Offshore Oil Exploitation;CNOOC Research Institute;  
The ordinary commercial numerical simulation software could not directly describe the start-up pressure gradient in low mobility reservoir,so this paper puts forward a novel equivalent simulation method.It proved that there is start-up pressure gradient in low mobility reservoir by physical simulation experiment and it is in a power function relation with mobility.Keyword "threshold pressure" in numerical simulation software was applied,and then start-up pressure in low permeability reservoir was realized through setting equilibrium partition by the "loop maneuver" approach;assigned the value from the experiment data in "threshold pressure".This method was used to simulate the X well group in Bohai A oilfield,and the better history matching effect was obtained.
【Fund】: 国家科技重大专项“海上稠油高效开发新技术”(2011ZX05024-004);; 中海石油(中国)有限公司综合科研“海上多层稠油油藏化学驱交替注入技术研究”(YXKY-2014-ZY-03)
【CateGory Index】: TE319
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