In the processing of vertical wells and fractured wells, the traditional Arps decline typecurves are certified to have scientific basis and only good for rate decline analysis in late stage.

• 在文中对普通直井和垂直裂缝井的推导演算中,多次证明了传统的 Arps 经验递减方程所具有的科学基础,而且只适用于晚期递减情形。