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- The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model. 给出了极限井底流压和产量拐点的求解方法,分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
- The colloidal solution formed under lower concentration conditions has zero free water and is with large volume fraction,the advantage of which is good deformational ability at low pressure gradient. 形变悬浮胶体聚合物是一种高弹性胶体颗粒,具有溶涨速度快、吸水性强、分散均匀、溶液无色透明的特点。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- There is no pressure gradient through the thickness of the film. 贯穿流体膜厚度无压力梯度。
- The barometer recorded a low pressure. 气压表标明有一低气压。
- Many experiments justify that there is a threshold pressure gradient (TPG) in low permeability reservoirs. 试验表明 ,低渗透油藏存在启动压力梯度。
- Water supplies to the house are at low pressure. 这房子的供水水压低。
- Low Pressure Valve Options and Accessories Misc. 低压阀门备选件和附件。
- The experiment of single-phase flow through low permeability core shows that during fluid flow there exists start-up pressure gradient. 摘要低渗透岩心单相渗流实验表明，流体渗流时存在启动压力梯度。
- Piston cooling oil inlet low pressure slow-down. 活塞冷却油入口压力低降速。
- Cylinder liner water inlet low pressure slow-down. 缸套水入口压力低降速。
- Low pressure mold closing is standard . 低压开关模装置可保护模具的安全。
- Mesoscale Nonhydrostatic and Hydrostatic Pressure Gradient Forces Theory. 中尺度非流体静力和流体静力气压梯度力理论。
- High and low pressure spay gun with adiabatic grip. 高低压可调水枪，防热枪柄。
- The smaller the permeability, the bigger the start-up pressure gradient. 渗透率越小，启动压力梯度越大。
- Low pressure thernostatic nixing palpes. 参考名称: Sanitary tapware.
- Reasonable butyl spreading system and low pressure. 出胶系统合理，压力低。
- Low pressure nechanical nixing palpes. 参考名称: Sanitary tapware.
- 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。
- Experiments show that a low permeable reservoir has a starting pressure gradient, and therefore different seepage rule from that of middle and high permeable reservoirs. 实验表明，低渗透油藏具有启动压力梯度，因此其渗流规律与中、高渗透油藏不同。
