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Optimization of the Injection Parameters in the Region of Water and Polymer Flooding Together in Type II Oil Reservoir

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5 Author(s)
Wen-ling Song ; Pet. Dept., Daqing Pet. Inst., Hei Longjiang, China ; You-wei Yuan ; Qing-juan Liu ; Guang-yi Sun
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The heterogeneity of type II oil reservoir is serious, which decides the phenomenon that water and polymer coexist inevitably in the same cell in the process of polymer injection in type II oil reservoir, so that the polymer flooding potential is difficult to play. Two major kinds connected relations are found out through counting the major connected relations in polymer flooding regions of type II oil reservoir, North-two-West western area in Daqing. Then mining characteristics with different injection parameters, in water and polymer flooding contact strip of these two connected relative regions, have been studied by taking advantage of numerical simulation methods. And the reasonable ratio of injection polymer intensity to injection water intensity has been also confirmed. Mastering the development law of water and polymer flooding together in type II oil reservoir, and determining a reasonable development way has a far-reaching significance for enhancing and promoting the development effect in type II oil reservoir.

Published in:

Power and Energy Engineering Conference (APPEEC), 2010 Asia-Pacific

Date of Conference:

28-31 March 2010