Prediction Method For Xinglongtai Buried Hill Reservoir Fractures

Making the buried hill reservoir developed much efficiently is taken on the study schedule in company with the exploration has a great improvement in Buried Hill of Xinglongtai. Xinglongtai buried hill, as an important target, is composed of Anshan Group metamorphic rocks, its fractures being both traps and flow pathways for hydrocarbons.The accurate definition of the fractures is key to the successful exploitation of the area.At the moment, there are varieties of approaches around the world to investigate the fractures, which provide favorable provisions for recognizing and mastering the nature of the fractures and to further improve the development benefit of the fractured reservoirs.However, these approaches have certain application conditions.For different types of fractured reservoir, the theoretical models, technical solutions and calculation parameters are differentiated.The paper mainly studies the prediction of stress and the distribution of structural fractures by way of finite element.Upon the geological features of Xinglongtai buried hill reservoir, theoretical model for prediction of stress and structural fractures by finite element numerical simulation is established and proper calculation methods are found.After detailed study, reasonable calculation parameters are chosen.With the above mentioned foundation.Actual calculating simulation is conducted for Xinglongtai buried hill reservoir.According to the study result of stress and fracture, analysis of the oilfield development scenarios is done and optimization principles and methods are given.However, compared with the actual situation, it is proved that the. study result of this paper is in accordance with the oilfield performance and the theoretical methods are accurate and feasible.The work that has done is of great value to the study of stress study of fractured reservoir and the development of this kind of reservoirs.