seepage threshold pressure gradient

基本解释

The same rock core has a lower threshold pressure gradient when larger steady threshold seepage velocities occur.
同一块岩心在初始稳定渗流速度大的情况下，岩心的启动压力梯度小。
Non-linear seepage flow is caused chiefly by medium deformation and threshold pressure gradient(TPG) in low and ultra-low permeability reservoirs.
启动压力梯度和介质变形是油气在低渗透、特低渗透储集层中渗流规律偏离达西定律的主要原因。
The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.
为了研究低渗透砂岩的启动压力梯度，设计了一种非稳态渗流中测量压力的试验方法。