The kick is physically caused by the pressure in the wellbore being less than that of the formation fluids, thus causing flow.
从物理上讲，井涌是由于井眼压力低于地层流体压力所致，从而引起流动。
The kick is physically caused by the pressure in the wellbore being less than that of the formation fluids, thus causing flow.
从物理上讲，井涌是由于井眼压力低于地层流体压力所致，从而引起流动。
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