【摘要】 在水力压裂过程中,压裂液的流动参数直接影响着压裂施工的成败,根据岩石力学、渗流力学、损伤力学与断裂力学理论,在考虑流固耦合的基础上,采用有限元方法,建立了低渗透储层水力压裂三维裂缝有限元模型,通过求解分析研究了压裂液的不同粘度和排量对岩石裂缝形态的影响,对完善油田水力压裂工艺设计、提高油田采收率具有重要的意义。更多还原

【Abstract】 In the hydraulic fracturing process,the fracturing fluid flow parameters directly affect the success or failure of fracturing.Based on rock mechanics,permeation mechanics,damage mechanics and fracture mechanics theory,the paper sets up a low permeability reservoir hydraulic fracturing model based on the finite element method,which takes the fluid-solid coupling into consideration.The paper studies the impact of the different viscosity and flow of the fracturing fluid to the fracture morphology.It has an important significance to improve the oilfield hydraulic fracturing process design and enhance oil extraction rate.更多还原