Research On The Reservoir Evaluation Of Fu-Yang Oil Layer In The North Of Zhao Zhou Oil Field

The final purpose of the reservoir research is the classification and evaluation that fit geological conditions. With the developing of the field exploration and development, reservoir research is paying more and more attention to by domestic and foreign experts. As the result of the influences to the reservoir characteristics are complicated and various,we must make the reservoir evaluation so that the reliable geologic foundations can be established to the work ,for examples, the development project setting or adjustment, the development dynamic analysis, and so on.In the north of Zhao Zhou oil field, the reservoir type of Fu-Yang Layer is mainly the fault- lithologic reservoir. Considering the seismic resolution , it is difficult to interpret the single sand body, so lateral reservoir prediction is that the sand in the oil layer was cumulated. For the prediction of thin interbedded reservoir , the seismic inversion is usually used at present. The research on the reservoir character is that thin interbedded reservoir and the distribution are predicted by the seismic inversion. By means of the research, the favorable exploration target can be found and the project that satisfys with the oil field development and running can be done.The research was based on the collecting of basic data and the theory of sedimentology, sequence stratigraphy and petroleum geology , and it use the seismic, logging and the technology of fine reservoir description, lateral reservoir prediction, multi well constrained inversion, seismic constraint inversion and so on . The comprehensive evaluation to the geological characteristics, sedimentary faces, types of oil reservoir, the sand body geometric shape and the distribution was made. The comprehensive evaluation to Fu-Yang layer was made though the analysis of reservoir forming condition and according to the condition of the map of sandstone thickness, the development condition of the fault and trap, structural location ,the oil test data of the exploratory well in the area and the map of comprehensive logging.