在低渗透油气藏中 ,压裂是油气田增产的主要措施之一 ,对于压裂后的试井评价 ,是压后评估的重要内容。应用了源函数得到的有限导流压裂井的线源模型 ,同时考虑到裂缝壁面表皮系数Sf因素的影响 ,所以 ,论文建立了地层渗流和井筒流动的完整模型 ,并且应用边界元方法进行了模型求解 ;针对压裂井的模型参数多、解释困难这一特点 ,应用了混合遗传优化进行自动解释 ,取得了较为满意的结果 In low-permeability reservoirs, fracturing is one of the major measures to increase production in oil and gas fields. Evaluation of well testing after fracturing is an important part of post-press assessment. The source model of the finite diversion fracturing well with source function is applied and the influence of the Sf factor of the crack wall surface factor is taken into account. Therefore, a complete model of formation seepage and wellbore flow is established, and the boundary element method According to the characteristics of model parameters and difficulty in interpretation of fractured well, hybrid genetic optimization is used to explain automatically and satisfactory results are obtained