分析了常见的早期压力恢复曲线的形态特征，并研究了早期试井曲线偏离径向流理论直线的原因，推导出了相应的确定井筒和地层参数的公式。针对在关井后续流量随时间的不同变化规律，论述了几种校正压力恢复曲线早期段的试井分析方法，文后给出实例，研究表明，利用分析早期曲线可以获得井筒储存常数等井筒附近的信息。如果选择合理的压力恢复校正方法，还可以获得可靠的渗透率、表皮因数等地层参数 The morphological characteristics of the common early pressure recovery curves were analyzed. The reason that the early well test curves deviated from the radial flow theory straight lines was deduced and corresponding formulas for determining wellbore and formation parameters were deduced. Aiming at the different variation regularity of follow-up flow with time, this paper discusses several well test methods to correct pressure recovery curve in early stage, and then gives an example. The results show that the use of early curve can get wellbore storage constants nearby Information. If you choose a reasonable method of pressure recovery and correction, you can also get reliable permeability, skin factor and other formation parameters