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Study and application on the evaluation method of porous formation for long term waterflooding sand reservoir |
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| Authors: | Wang Changjiang Jiang Hanqiao Chen Minfeng Geng Zhanli Liu Pengfei |
| Institution: | 1.School of Petroleum and Natural Gas Engineering;China University of Petroleum;Beijing 102249;China;2.Research Center of CNOOC;Beijing 101049;China |
| Abstract: | Nine targets which stand both for the static characteristic of produced formations and the dynamic parameter of wells including the average permeability,variation coefficient of permeability,moving capability,remaining recoverable reserves,coefficient of flooding,daily oil production,increasing rate of water cut,cumulative liquid production per unit meter and efficiency index of oil production are selected as the evaluation indexes,a novel model to evaluate the porous formations in long-term waterflooding s... |
| Keywords: | long-term waterflooding reservoir support vector machine clustering formation evaluation adjustment solution |
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