Using power function to describe the production rate,pressure and translating them into laplace space,the early time testing data of the pumping well can be modified to the radio flow period.

• 利用幂函数描述产量与压力值，并通过拉氏变换进行校正，可将抽油井测压早期段数据校正到径向流段，从而大大缩短抽油井测压时间。