ith Skin Factor and Well Bore Storage. Well TestingР[10]F.Medeiros,E.Ozkan,et al.Productivity and drainage area of fractured horizontal wells in tight gas reservoirs.SPE108110,2008,902-911.Р[11]F.Medeiros,E.Ozkan,et al.A semianalytical, pressure-transient model for horizontal and multilateral wells posite, layered, partmentalized reservoirs .SPE102834,2006,1-13.Р[12] 赵志成:基于三线流模型的垂直裂缝井采油指数研究,企业科技与发展2009(18)РZhao zhi-cheng.A study on oil productivity index of wells with vertical fracture based on model for measuring flow by using 3-pendulum wires.Enterprise science and technology & development.2009(18)Р[13]K.Serra,R.Raghavan.New pressure transient analysis methods for naturally fractured reservoirs.SPE10780,2271-2283.Р[14] 郭永存, 卢德唐, 曾清红, 等. 有启动压力梯度渗流数学模型[J]. 中国科学技术大学学报, 2005, 35(4): 492-498.