low-pressure gradient

基本解释

Stress sensibility and start-up pressure gradient lie in low permeability reservoir.
低渗透油藏存在显著的应力敏感效应和启动压力梯度。
Due to the influence of radial positive pressure gradient, low-energy gas moves along trailing area to hub. That causes rapid dissipation and weakening of downstream passage vortex.
在叶栅下游，由于径向正压梯度的影响，低能气体沿尾流区向轮毂输运，引起下通道涡的迅速消散与衰减。
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Single-phase seepage test demonstrates that there exits kick-off pressure gradient in Honghu reservoir with low permeability core;
单相油渗流实验证明了洪湖油田低渗透岩心存在启动压力梯度；