结果表明:RPC具有非常低的孔隙率,其气体渗透系数比传统混凝土的低1 ~ 2个数量级。
Results indicate that RPC possesses very low porosity and its air permeability is lower by 1-2 magnitudes than that of conventional concrete.
讨论了溶洞和裂缝无因次渗透率模数、介质间窜流、弹性储容比、外边界条件及表皮系数对压力响应的影响。
Effects of permeability modulus, interporosity flow parameter, storativity-ratio, outer-boundary and skin parameter to the pressure response are discussed.
盖层封闭的最常见形式是毛管封闭和压力封闭。这两种形式的封闭能力与岩层的孔隙度、渗透率、砂泥岩含量比以及流体压力有密切关系。
The sealing capability of cap rocks is closely related to the porosity, permeability, the ratio of sand to mud contents and fluid pressure of the rocks.
相同孔隙度条件下,砂岩的渗透率比泥岩大得多。
The permeability of sandstone is much bigger than that of mudstone under the same condition.
利用孔隙网络模型研究水湿情况下孔喉比、配位数、形状因子对相对渗透率的影响。
The effects of pore-throat ratio, coordination number and shape factor on relative permeability were investigated in a water-wet condition by means of microscopic si.
利用孔隙网络模型研究水湿情况下孔喉比、配位数、形状因子对相对渗透率的影响。
The effects of pore-throat ratio, coordination number and shape factor on relative permeability were investigated in a water-wet condition by means of microscopic simulation.
在蒸汽泡沫微观渗流研究的基础上,研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。
The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.
井底附近地层渗透率降低比改善对调查半径的影响要大。
If skin factor of formation damage is more, its radius of investigation is less.
常规压裂时,压裂液对裂缝壁面的污染越严重,裂缝壁面污染带的渗透率就越低,水力压裂能获得的增产倍比就越小;
For hydraulic fracturing, the damage to fracture surface is ever severe, the permeability of damage zone is ever low, and the production response of hydraulic fracturing is ever junior;
因此,防h2s腐蚀的基本方法:减少水泥石中钙硅比和降低水泥石渗透率。
Therefore, decreasing the permeability of cement stone and reducing the ratio of calcium to silicon ratio become the basic ways to inhibit the corrosion of H2S.
基于对描述油水相对渗透率比与含水饱和度关系曲线的方程的修正,建立了能够用一个公式描述各种不同形态水驱曲线的方法。
This paper presents a novel method, a generalized water drive curve, that just one equation is applied to describe the variety types of water drive curves.
但二连盆地下白垩统储层的孔隙度和渗透率比银根-额济纳旗盆地要好得多。
However, the reservoir porosity and permeability of lower Cretaceous in Erlian Basin is better than that of Yingen-Ejinaqi Basin.
动态性能评价实验包括温度、发泡剂浓度、气液比、渗透率对泡沫封堵能力影响实验。
Dynamic evaluation included the effects of temperature, concentration, nitrogen-liquid ratio and permeability on foaming sealing ability.
在束缚水饱和度为零的情况下,三种类型岩石中以石灰岩的自吸采收率最高,其值比同等渗透率级别的砂岩高23%。
Among three types of rocks, at zero initial water saturation, imbibition recovery from chalk samples is the highest, about 23% higher than that from sandstone with similar permeability.
在束缚水饱和度为零的情况下,三种类型岩石中以石灰岩的自吸采收率最高,其值比同等渗透率级别的砂岩高23%。
Among three types of rocks, at zero initial water saturation, imbibition recovery from chalk samples is the highest, about 23% higher than that from sandstone with similar permeability.
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