研究表明,在渗流速度较大时应对达西定律加以修正。
It is proved through experimental research that the Darcy law should be revised to adapt to high seepage velocity.
讨论渗流速度对外部变量的敏感性和煤与瓦斯突出的突发性。
The sensitivity of seepage velocity is effected by the external variables; and the coal and gas outbursts are also discussed.
煤样的峰值渗流速度随围压的增加而减小,呈现较明显的线性关系。
The seepage velocity in peak stress decreases with the increase of confining pressure, and indicates obvious linear relationship.
声场还可以使出油井防垢、除垢,降低原油粘度,提高其渗流速度。
The acoustic field can prevent and remove the scale, lower the viscosity of oil, enhance the seepage flow velocity.
渗透率比值与注水孔隙体积倍数或渗流速度的关系曲线均呈“S”形;
The relative curves of the ratio of transient permeability to initial permeability with the injected fluid volumes or seepage velocity are like a character "S".
而渗流速度与渗透水压力呈线性关系,符合宏观尺度渗流的达西定律。
The relation between the specific discharges and seepage pressures are linear and consistent with the Darcy law in macro-scale.
而渗流速度与渗透水压力呈线性关系,符合宏观尺度渗流的达西定律。
The relation between the specific discharge and seepage pressure is linear and consistent with the Darcy law in macro-scale.
发现污染物在土壤中的质量浓度分布与渗流速度、作用时间、扩散系数等有关。
The results showed that the intensity distribution had relation with the velocity of percolation, time, coefficient of convection and diffusion.
研究表明气体反压力与多孔介质的透过率(即孔隙率和孔径)、渗流速度、渗流长度有关。
The research shows that anti pressure of the gas is concerned with the permeability of porous medium (the porosity and the hole diameter), the infiltration speed, and the infiltration length.
应用该计算方法和控制技术对大庆油田待钻修井地层孔隙压力和孔隙流体渗流速度进行了计算。
The methods and techniques are used to calculate the pore pressure and filtration velocity of pore fluid from the formation that workover will be conducted in Daqing Oilfield.
通过分析理论解,从中得出稳态降深方程、稳态渗流速度方程、准稳态时间方程和理想井间距方程。
Equations of steady drawdown, seepage velocity, quasi steady time and ideal well distance were obtained through analytic seepage equation.
型煤的渗流速度对轴向压力和轴向变形最敏感,而原煤的渗流速度对体积变形和横向变形比较敏感。
The seepage velocity of briquettes is sensitive to axial pressure and axial strain, but it is sensitive only to transverse strain and volume strain for row coal.
低和特低均质储层中的渗流启动压力对渗流速度、油藏产量递减规律、产水规律和注入水的波及范围都有影响。
In low and ultra-low homogeneous reservoir start-up pressure have an impact on the flow rate, reservoir production decline law, water production laws and injected water sphere of influence.
利用土槽试验和MODFLOW模型模拟研究了不同岸坡倾角下地下水入湖时在入湖交界面处的渗流速度分布规律。
The seepage velocity through lakeshore and lake bottom interfaces under different lakeshore inclinations were discussed by experiments in soil tank and model simulations using MODFLOW.
文章从储层特征、岩性特征、气体渗流速度、作业液浸泡等多个角度对气田地层出砂的机理进行了较为全面的分析。
The sand producing mechanism of Sebei gas field is analyzed thoroughly with the reservoir features, the litho logy features, the percolation velocity, and the reservoir soaked by working fluid, etc.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
在恒定围压和瓦斯压力的情况下,软分层煤样的瓦斯渗流速度和渗透系数均随着有效轴向压力的增大而呈“Z”形变化;
The seepage velocity and penetrability coefficient appeared changing of the"Z"shape with the increase of the effective axial feed when the confining pressure and gas pressure were constants.
在恒定围压和瓦斯压力的情况下,软分层煤样的瓦斯渗流速度和渗透系数均随着有效轴向压力的增大而呈“Z”形变化;
The seepage velocity and penetrability coefficient appeared changing of the"Z"shape with the increase of the effective axial feed when the confining pressure and gas pressure were constants.
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