3D Geological Modeling And Reservoir Comprehensive Evaluation Of X502 Fault Block In JiangJia Store

3D geological modeling is characterizing the reservoir characteristics from reservoir three dimension of the level, its core technology is the use of known point on the space data to forecast the location area between wells, the result is the oil and gas reservoirs in various geological parameters of the data on the three dimensional space. There have good oil and gas shows under Sand 3 Xia 502 block, Jiang Jiadian area, to find out fault block oil reservoir characteristics, accurate understanding of favorable reservoir distribution and abundance of oil, in this thesis, the author make a 3-D geological model about under Sand 3 Xia 502 block in Jiang Jiadian area, on the basis of 3D geological model and in combination with other known data to help predict, aim to give us reference data which has a guiding significance in future exploration and development.Jiang Jiadian area Xia 502 block Under Portion of Sha3 Layer is located in the southwest fault distribution area of huimin sag. and due to the stratigraphic buried depth is deeper, the reservoir permeability is low, the study area belong to complex and low permeability fault block reservoir. To divide the oil and gas formation, using logging curves combining with core test and oil test data to determine the standard of oil and gas formation and well logging secondary interpretation model, and use the interpretation model for logging secondary interpretation based on geological conditions and the small layer division in the studied area.Builting the 3D geological model is the key work to current oilfield reservoir geology research, in this paper, the fault density of study area Xia 502 is big, so we firstly have carried on the structure modeling in the studied area. On the basis of the structure model we use the logging interpretation data establish the facies model, based on the facies model we make a "phased" random simulation in nine small layers within the fault block of geological properties such as porosity, permeability, saturation parameter. Phased characteristics simulation is under the constraint of the facies model, we simulate oiliness of reservoir parameters in the region where the sand upgrowth, based on the method of simulation result we can find favorable oil area.Through 3D geological modeling and comprehensive geological research to the study area, we have more clear understanding of the structural characteristics of reservoir, the distribution rule of the sand and the distribution of reservoir physical parameters about under sand 3 Xia 205 block, it provide a favorable basis to this area for the exploration and development in the future.