low-pressure gradient

基本解釋

Stress sensibility and start-up pressure gradient lie in low permeability reservoir.
低滲透油藏存在顯著的應(yīng)力敏感效應(yīng)和啟動壓力梯度。
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.
在葉柵下游，由于徑向正壓梯度的影響，低能氣體沿尾流區(qū)向輪轂輸運，引起下通道渦的迅速消散與衰減。
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Single-phase seepage test demonstrates that there exits kick-off pressure gradient in Honghu reservoir with low permeability core;
單相油滲流實驗證明了洪湖油田低滲透巖心存在啟動壓力梯度；