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根据古构造变形采用反演与正演相结合的方法，研究储层古构造应力场。开展以下研究：（１）用板模型趋势法反演与储层古构造变形面对应的驱动力和场内应力；（２）建立一个组合单元模型，用（１）中反演的远场应力作为边界条件，计算储层古构造应力场；（３）用含断层滑动模型的三维实体单元和（１）中给出的边界条件，计算储层古构造应力场；（４）对 ３ 种模型的应用及其检验。
Based on the paleostructure deformation, a combination of inversion and forward modeling is used to study the paleo-tectonic stress field in the reservoir. The following research work is carried out: (1) Using the plate-model trend method to invert the driving force and field stress corresponding to the palaeo-structural deformation of the reservoir; (2) To establish a unit cell model, (3) Calculating the paleo-tectonic stress field of the reservoir by using the three-dimensional solid elements of the fault sliding model and the boundary conditions given in (1); (4) Application of the model and its test.