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.
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