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。

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The monitor can automatically measure the annular liquid level changes at well head, and then calculate the bottom hole pressure.

该仪器能够从井口自动监测抽油井内环空液面深度变化，通过分析计算获得井下压力的恢复情况。

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The reservoir information from flow response on condition of stable bottom hole pressure helps to determine reservoir information.

定井底流压下流量响应所反应出的油藏信息，有助于确定油藏参数。

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It seems like each hole there's so much momentum riding and so much pressure on every hole.

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If the oil were to pop a new hole in the seafloor, we would see pressure plunge.

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