Detailed Study Of Geological Modeling And Numerical Simulation Of Complex Fluvial

Daqing oilfield apricot north district development degree is higher, has entered the middle and later stage of development, the oilfield water content is higher, better potential in remaining oil has become the research focus. But the major reservoirs in the study area(P1 and P3) channel distribution, larger transverse cut pile serious, complex reservoir internal configuration constitute the main control factors of remaining oil distribution, rather than the major reservoir slightly lower overall property, lateral connected sand body, poor ability of dominative factor makes well pattern configuration of remaining oil.Based on major reservoir and the major reservoir remaining oil distribution features of differences, understand the point bar sand body internal structure characteristic, to fine geological modeling and adopt reasonable numerical simulation method, for a better study of remaining oil distribution at the meandering river sand body internal provides the basis. At the same time strengthen current well pattern development effect evaluation and prediction, and to improve oilfield development effect, get as high as possible water drive recovery factor and economic benefit.In view of the major reservoir key time unit(P1331 and P1332), depositional time unit fine compared with sedimentary microfacies, horizontal well pair and the two methods was used to study reservoir internal structure parameters, and establish a research area in this key point time unit dam 3 d geological model, analysis of some dam control function of the internal side interlining of remaining oil. For all in the study area reservoir 3 d geological modeling and numerical simulation history matching, and the well pattern development effect evaluation and forecast.