There are some results as below:(1) With mathematical model improvement of unsteady porous flow, new theoretical typecurves are plotted which can enlarge Arps production decline curves from leaky boundaries.

• 通过数学模型和分析计算得到了以下认识和结果:(1)改进了直井不稳态产能分析渗流数学模型,求解后形成了新的理论图板。