随着井底流压降至某一临界值， 岩石骨架开始出现屈服。
When the flowing bottom hole pressure decreases to a critical value, the matrix will begin to yield .
达西定律表明，油井地层压力与井筒产液量和井底流压具有相关性。
Darcy's law indicates that formation pressure of an oil well has some correlativity with wellbore fluid producing volume and bottom hole flowing pressure.
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；
The rule of reservoir pressure distribution and bottom hole flowing pressure alteration of a periodic trial-produce well in infinity subterranean formation.
通常人们采用气井某一时刻的稳定产能方程结合废弃井底流压来计算废弃地层压力。
The abandonment formation pressure(AFP) of gas well is usually calculated by stable productivity equation and abandonment flowing bottom hole pressure.
以多相流理论为基础，结合我国油田的具体情况，介绍了一种计算抽油井井底流压的方法。
On the basis of new research results in vertical multiphase flow and taking into account our oilfield conditions, a method for predicting flowing bottom-hole pressure in pumping Wells is presented.
提出了油气井临界井底流压和安全产量的概念，对科学地管理油气井有着一定的现实意义。
The paper presents the conception of bottom-hole critical flowing pressure and secure production of oil well. It is of practical significance for management of oil well.
给出了极限井底流压和产量拐点的求解方法，分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model.
分析认为，周期注气量、注气速度、浸泡时间和生产过程中的井底流压及降压方式都是影响单井吞吐效果的重要因素。
The study shows that cyclic steam injection rate, soaking time, flowing bottom hole pressure and blowdown mode are important factors influencing the effectiveness of single well steam stimulation.
在综合考虑了油层渗透率、地层压力、井底流压等对油井产液量产生影响的因素的基础上，建立了基于上述网络算法的抽油井流入动态预测模型。
Considering oil penetrable rate, stratum pressure, liquid pressure, etc, which affect oil well yield, a network model of oil well drifting forecast was established.
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
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