In the basis of well testing theory, it was got that the primary factors which influence ability of oil well to produce were permeability and effective thickness.
从试井理论出发，得出了影响油井生产能力的主要因素是渗透率和有效厚度。
Based on the original well testing theory, the theory of well testing while UBD and the corresponding practical well testing method are derived. The well testing method is applied to two wells.
在原有的试井理论基础上，推导出欠平衡钻井随钻试井数学模型，并结合现有的试井方法，提出欠平衡钻井随钻试井实用方法——修正压降试井法和修正压力恢复试井法。
Get through theory calculation and testing, it has proved that air reverse circulation can be satisfied constructional claims of over thousand meters deep water well, with existing equipments.
本文通过理论计算及实验，证实了使用现有设备，气举反循环可以更好的满足超千米深水井的施工要求。
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