Then a differential model,which discribes the changes of sandface flow rate under pressure drawdown and buildup is derived.The rate model is used to solve the question ...

• 通过非结构网络 ,把井眼看作一个网格块 ,推导出了能反映开、关井后地层渗流量变化的用于求解单相流试井问题的差分模型。