The rule of reservoir pressure distribution and bottomhole flowing pressure alteration of a periodic trial-produce well in infinity subterranean formation.
无限大地层中—口间歇试采生产井的地层压力分布及井底流压变化规律；
2
A mathematical model for calculation of bottom-hole flowing pressure of flowing Wells for oil field with non-solution gas drive is proposed.
对非溶解气驱油田提出了一个计算自喷井井底流动压力的统计数学模型。
3
In routine overbalanced drilling, the bottomholepressure towers above the formation pressure so that the mud fluid will leak into the formation.