Abstract
Heterogeneity of remaining oil distribution makes it difficult to recover. This paper analysed the interbed in the channel sand which is the one of the main factors to form remaining oil, and simulated respectively water and polymer flooding for channel sand with all kinds of interbeds, and then nailed down the affect to the distribution of remaining oil by different driving means. Horizontal interbed which developed mainly in the braided channel and straight distributary channel would obstruct the fluid during flowing vertically, and the remaining oil congregates under the horizontal interbed. Polymer driving can accelerate the moving of most remaining oil, but it is unconspicuous for the one under the interbed. Lateral interbed which mainly deposit in the meandering and low curving distributary river would shelter from sideway markedly. The degree of this effect is based on the relation of directions of interbed and driving.
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© 2013 Springer-Verlag Berlin Heidelberg
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Zhao, L., Wang, Sq., Fan, Zf., Zhang, L., Li, Bw. (2013). Effectiveness to Driving by Interbeds in Channel Sand of River Delta System. In: Qi, E., Shen, J., Dou, R. (eds) The 19th International Conference on Industrial Engineering and Engineering Management. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38391-5_30
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DOI: https://doi.org/10.1007/978-3-642-38391-5_30
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