When the flowing bottom hole pressure decreases to a critical value, the matrix will begin to yield .
随着井底流压降至某一临界值， 岩石骨架开始出现屈服。
The abandonment formation pressure(AFP) of gas well is usually calculated by stable productivity equation and abandonment flowing bottom hole pressure.
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 practice proved that the technology can reduce flowing bottom hole pressure, minish interlayer interference under reasonable injecting-producing pressure system.
实践证明，在合理的注采压力系统下，潜油电泵可以应用于低渗透油田。
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.
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 rule of reservoir pressure distribution and bottom hole 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；
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。
Darcy's law indicates that formation pressure of an oil well has some correlativity with wellbore fluid producing volume and bottom hole flowing pressure.
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。
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.
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。
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.
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。
There is difficulty to confirm the bottom-hole pressure accurately and low accuracy and reliability when this kind well explained by using well testing model of flowing well.
对这类井，若采用自喷井建立起来的数学模型进行解释时，难以准确地确定关井时刻的井底压力，试井解释率低，可靠性差。
There is difficulty to confirm the bottom-hole pressure accurately and low accuracy and reliability when this kind well explained by using well testing model of flowing well.
对这类井，若采用自喷井建立起来的数学模型进行解释时，难以准确地确定关井时刻的井底压力，试井解释率低，可靠性差。
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