The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.

• 对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法,从而提高了离散化网络的计算精度,并可简化取代三维问题为二维。