地层流体压力异常是含油气盆地存在的一个普遍现象。
Abnormal formation fluid pressure often exists in oil-gas bearing basin.
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.
根据物理化学原理，建立了完全封闭条件下构造抬升剥蚀后地层流体压力的定量计算公式。
Based on the principles of physical chemistry, a formula is established for quantitatively calculating formation fluid pressure after tectonic uplifting and erosion in a closed system.
应用推荐