Abstract
Abstract This paper presents a practical technique to quantitatively locate macroscopic throats between injector/producer pairs in a reservoir, considering the problems of extensively developed macroscopic throats and the low sweep efficiency of waterflooding on high water cut stage. The method combines dynamic and static data, based on the results of geological research and the inversion of dynamic interwell connectivity. This technique has implemented the spatial locating of macroscopic throats, using the data of injection/production profiles and tracer test over the years, considering the sedimentary facies of each small layer and the permeability of each sand body. The results of this work show that this method is more convenient and less expensive than previous ones. It is able to locate macroscopic throats in a reservoir accurately and quantitatively. Multiple materials ensure the accuracy of results, and this method is convenient to be applied in the oilfield.
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