The Applied Research of Streamline Simulation in A Area of Cheng Dao Oilfield
摘要
During the process of injection and production allocation, there are some problems remains such as confused injection direction, small number of water absorption profile data and the fuzzy process of injection and production allocation. The A area streamline model was built by Eclipse software. The water breakthrough time and trend fitting is good. The error is less than 5% and the fitting accuracy is higher. The distribution of residual oil is shown by the streamline, and the residual oil accumulation is found in the plane, vertical and inter wells where streamline cannot touched. In A-P1 well area, according streamline model, the allocation of the corresponding water Wells (A-4 and A-7) was proposed to reduce the water content of A-p1 well. The results showed that the affected area of the well was enlarged and the oil capacity of the corresponding oil well was increased and the water content was reduced. The streamline model can improve the efficiency of computation and the imitative effect, to visualize injection-production relation and the visual display of the underground flow field, to be able to clear the injection-production relationship, find out the mainstream direction of the line, to guide the next injection-production adjustment.