登顶现象在水平井或大斜度井中出现，并受所包含流体的特性和水平渗透率与垂直渗透率的比率的影响。
Cresting occurs in horizontal or highly deviated Wells and is affected by the characteristics of the fluids involved and the ratio of horizontal to vertical permeability.
在这些国家，最初信用卡的普及是很慢的，直到1990年代，才达到像美国，加拿大或英国那样的市场渗透率水平。
In these places, adoption of credit cards was initially much slower. It took until the 1990s to reach anything like the percentage market-penetration levels achieved in the US, Canada, or UK.
通过对井眼的地层压力测量，可以获得水平和垂直方向上的渗透率、表皮系数以及地层压力等地层信息。
Through measurement of formation pressure, the permeability, skin factor and formation pressure etc. informations can be obtained in horizontal and vertical direction.
根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique.
岩心被油基泥浆损害后，凭常规的注水冲刷手段，渗透率很难恢复到原来的水平。
Once cores are damaged by oil-based mud, it is difficult to restore the permeability of cores to its original level by applying the conventional technique of water injecting and washing.
基于多孔介质中的渗流过程，定义了一个定量评价油藏渗透率水平非均质性的新参数———非均质系数。
A parameter for quantitatively describing the lateral heterogeneity of reservoir permeability — heterogeneity factor is defined based on the percolation flow through porous media.
随着油田开发的进行，地层压力逐渐下降，水平裂缝趋于闭合，渗透率大幅下降，严重影响了生产能力。
With continuing an oilfield development, its formation pressure tends to decline along with the horizontal fractures being closed, the permeability drawdown and the productivity being damaged.
结果表明，在声压较低时， 流体间的剪切张力使得红细胞的溶血率、渗透脆性、脂质过氧化水平随作用时间及作用强度增加缓慢增长；
Results demonstrate that ultrasound exposure at low sound intensities leads to slight increases in hemolysis, osmotic fragility and lipid peroxidation due to the effect of shear stress.
结果表明，水平井的控制储量和产能由水平井方位、各向异性渗透率主值及主方向共同决定。
The controlled reserves and productivity of a horizontal well were determined by the wellbore direction, the principal values of main direction and permeability of the anisotropic reservoir.
川中大安寨储层属于特低孔隙度、低渗透率的孔隙-裂缝型储层，裂缝以低斜水平缝为主。
The Daanzai reservoir belongs to the type of porosity-fractured reservoir of ultra low porosity and permeability.
建立了注酸过程中水平井井筒温度场模型及渗透率各向异性地层温度场模型，提出了对酸化施工有指导意义的结论和建议；
Set up well bore temperature field model and permeability anisotropic formation temperature field model, and put forward some instructive advices for acidizing job;
建立了注酸过程中水平井井筒温度场模型及渗透率各向异性地层温度场模型，提出了对酸化施工有指导意义的结论和建议；
Set up well bore temperature field model and permeability anisotropic formation temperature field model, and put forward some instructive advices for acidizing job;
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