The 3D Geological Modeling Technology Research Of Sudeerte Oilfield In Bei 14 Block

As the level of reservoir development improves continuously, some reservoir which has complex structure, lithology, reservoir, fluid characteristics has gradually become a main development objective. Geological research work of reservoir needs some new and practical techniques urgently, which makes understanding of the reservoir more accurate and meticulous. 3D geological modeling technology, which bases on the drilling data, is one of the main direction to solve this problem. The ultimate goal of 3D geological model is to make the study of the underground reservoir more detailed and accurate, and provide a reliable basis for reservoir development. Numerical reservoir simulation is one of the most important means to analysis a complex reservoir development, and the establishment of 3D geological model is an important foundation of numerical reservoir simulation study.In this paper, we choose Sudeerte oil field of Bui 14 blocks as research target, in view of complicated geological conditions of the study area, fault development, the large structural fluctuation characteristics, on the basis of fine correlation of strata, micro-structure, sedimentary microfacies, reservoir heterogeneity and dynamic interpretation of reservoir, use 3D modeling technology, establish precise 3D geological model of the study area, then form 3D geological modeling method. The results lay the foundation of the deployment and adjustment of oilfield development arrangement, improving oil recovery, reservoir numerical simulation and prediction the distribution of the remaining oil. Scientific reservoir evaluation, reservoir engineering management, and three-dimensional numerical reservoir simulation also require to establish 3D geological model. At the same time, 3D geological model can supply reference to the similar oilfield.