Putaohua Oil Layer Reservoir Characteristics Research And Geological Modeling

In putaohua reservoir ’instability, for the development of reservoir sand bodies scattered distribution, complex oil-water distribution, mainly lithologic reservoirs’ problems, by the high resolution sequence stratigraphy, sedimentology, logging geology, 3 d geological modeling theory as the instruction, from the basic principle of high resolution sequence stratigraphy and delta sedimentary system stratigraphic correlation method, make full use of seismic, geology, logging, testing and production performance and indoor experiment data, the establishment of a uniform, grade the main single sand body of high resolution sequence framework, a total of 15 putaohua reservoir depositional time unit. At the same time, through the study area of coring well core observation and well log data analysis, think that the study area are mainly delta front deposition, the main development of the underwater distributary channel, sand sheet subject, sand sheet, seat, seat around the outer edge, distributary bay and underwater distributary channel, mouth bar, far sand dam, sand sheet and so on several kinds of microfacies types, further combining well seismic technology, set of single sand body space distribution, depicting continuity of sand body, connectivity, the implementation of each unit sedimentary microfacies distribution regularity, eventually made a total of 15 pieces of sedimentary microfacies exhibition layout, reveals the causes of single sand bodies. On this basis, to carry out the single sand body fluid properties and oil-water distribution of research, using 3 d geological modeling structure, reservoir is established and phase properties of 3 d geological model, provide reliable geological model for reservoir numerical simulation.