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低渗透    
相关语句
  low permeability
    EXACT SOLUTIONS FOR VERTICAL INTERFERENCE IN HETEROGENEOUS DOUBLE POROUS MEDIA SEPARATED BY A LAYER OF LOW PERMEABILITY
    含低渗透夹层的非均质双重介质垂向干扰的精确解
短句来源
    An Inverse Problem of a Nonlinear Partial Differential Equation in Low Permeability Gas Reservoir Considering Effect of Gas Slippage
    研究低渗透气藏滑脱效应的非线性偏微分方程反问题
短句来源
  low permeability
    EXACT SOLUTIONS FOR VERTICAL INTERFERENCE IN HETEROGENEOUS DOUBLE POROUS MEDIA SEPARATED BY A LAYER OF LOW PERMEABILITY
    含低渗透夹层的非均质双重介质垂向干扰的精确解
短句来源
    An Inverse Problem of a Nonlinear Partial Differential Equation in Low Permeability Gas Reservoir Considering Effect of Gas Slippage
    研究低渗透气藏滑脱效应的非线性偏微分方程反问题
短句来源
  low-permeability
    The Study of Numerical Calculation for the New Model of a Low-permeability Gas
    低渗透气藏数学新模型计算方法研究
短句来源
    The paper hopes to extract a solution of a nonlinear partial differential equation, a quite new model, of low-permeability gas reserves, then studies the penetraial character. The pose of the model has already been proved theoretically[4], which encourages us to seek an aptitude numerical calculation and to realize the computation.
    本文希望对一个低渗透气藏非线性偏微分方程的数学新模型的求解,来研究具有滑脱效应下的渗透特征,利用模型的适定性在理论上已经获证的结果,探寻恰当的数值计算方法并且实现编程实现计算机电算化。
短句来源
  low-permeability
    The Study of Numerical Calculation for the New Model of a Low-permeability Gas
    低渗透气藏数学新模型计算方法研究
短句来源
    The paper hopes to extract a solution of a nonlinear partial differential equation, a quite new model, of low-permeability gas reserves, then studies the penetraial character. The pose of the model has already been proved theoretically[4], which encourages us to seek an aptitude numerical calculation and to realize the computation.
    本文希望对一个低渗透气藏非线性偏微分方程的数学新模型的求解,来研究具有滑脱效应下的渗透特征,利用模型的适定性在理论上已经获证的结果,探寻恰当的数值计算方法并且实现编程实现计算机电算化。
短句来源

 

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  low permeability
However, a large volume and high energy consumption are needed in biotransformation, while the low permeability and stability must be solved in the membrane process.
      
For low permeability membranes, instability with respect to monotonic finite-wavelength perturbations is characteristic.
      
In this system a water layer overlies a superheated-steam layer in a reservoir with relatively low permeability located between two parallel high-permeability strata.
      
It is proposed that low permeability of plasma membranes to water in fraction-I seeds results from the predominantly closed aquaporin channels, whereas a higher permeability of weak seeds (fraction II) is due to open channels.
      
Increased magnesium concentration in the secondary cardioplegia did not provide additional benefit to the ischemic myocardium, possibly due to the low permeability of the sarcolemmal membrane to magnesium.
      
更多          
  low permeability
However, a large volume and high energy consumption are needed in biotransformation, while the low permeability and stability must be solved in the membrane process.
      
For low permeability membranes, instability with respect to monotonic finite-wavelength perturbations is characteristic.
      
In this system a water layer overlies a superheated-steam layer in a reservoir with relatively low permeability located between two parallel high-permeability strata.
      
It is proposed that low permeability of plasma membranes to water in fraction-I seeds results from the predominantly closed aquaporin channels, whereas a higher permeability of weak seeds (fraction II) is due to open channels.
      
Increased magnesium concentration in the secondary cardioplegia did not provide additional benefit to the ischemic myocardium, possibly due to the low permeability of the sarcolemmal membrane to magnesium.
      
更多          
  low-permeability
On the problem of horizontal drainage with a low-permeability confining bed
      
Analogous equations are used in the study of filtration of a homogeneous liquid in strata separated by a low-permeability membrane [2].
      
Interaction of aquifers separated by low-permeability strata
      
Calculation of horizontal drainage with initial gradients of the reservoir being drained and a low-permeability bed
      
Mathematical model of ice-water-vapor phase transitions in low-permeability frozen soils
      
更多          
  low-permeability
On the problem of horizontal drainage with a low-permeability confining bed
      
Analogous equations are used in the study of filtration of a homogeneous liquid in strata separated by a low-permeability membrane [2].
      
Interaction of aquifers separated by low-permeability strata
      
Calculation of horizontal drainage with initial gradients of the reservoir being drained and a low-permeability bed
      
Mathematical model of ice-water-vapor phase transitions in low-permeability frozen soils
      
更多          
  其他


Two mathematical models are developed in this paper that describe fluid flow and pressure behavior in a porous medium reservoir and double porous media reservoir consisting of two permeable zones separated by a zone of low permeability, or a "tight zone".Their solutions are obtained which are the exact solutions and the long time asymptotic solutions in infinite formation.The solutions are used to design and to interpret buildup curves,vertical interference tests and vertical pules tests of oil field in a single...

Two mathematical models are developed in this paper that describe fluid flow and pressure behavior in a porous medium reservoir and double porous media reservoir consisting of two permeable zones separated by a zone of low permeability, or a "tight zone".Their solutions are obtained which are the exact solutions and the long time asymptotic solutions in infinite formation.The solutions are used to design and to interpret buildup curves,vertical interference tests and vertical pules tests of oil field in a single well or multiple wells for the porous medium and the double porous media.

本文建立了单一介质、双重介质中由两个渗透层被一个致密低渗透层隔开的多层油藏渗流的数学模型,并求得了无穷大地层的精确解和长时渐近解。利用这个解可以在双重介质层状油藏的单井、多井试井中解释压力恢复曲线、垂向干扰试井和垂向脉冲试井。

Considering the effect of gas slippage,this paper presents an inverse problem of a nonlinear parabolic partial differential equation of gas flow through low permeability gas reservoir.The quasi solution existence theorem of the inverse probem is proved.

研究低渗透气藏中气体滑脱效应,建立了相应的非线性偏微分方程反问题的数学模型,讨论了其适定性,并证明了拟解的存在性

In this paper, the effect of gas slippage in low permeation gas reservoirs is researched. Firstly, as the phenomenon of gas slippage has effected to the rate of permeation in gas measure, the mathematical model of nonlinear parabolic partial differential equation which reflects the rule of low permeation porous medium gas permeance is built according to the effect. Then the well posed of the solution to the nonlinear partial differential equation model in the condition of nonlinear boundary is analyzed in mathematical...

In this paper, the effect of gas slippage in low permeation gas reservoirs is researched. Firstly, as the phenomenon of gas slippage has effected to the rate of permeation in gas measure, the mathematical model of nonlinear parabolic partial differential equation which reflects the rule of low permeation porous medium gas permeance is built according to the effect. Then the well posed of the solution to the nonlinear partial differential equation model in the condition of nonlinear boundary is analyzed in mathematical way. We also theoretically prove the existence, unique and stability of the solution to the model. Those results build the foundation for numerical calculation.

研究了低渗透气藏中气体滑脱效应问题,利用气体滑脱现象对气测渗透率的影响,建立了低渗透多孔介质气体渗流规律的非线性抛物型偏微分方程、非线性边界条件的数学模型,论证了其适定性,得到了该模型解的存在、唯一及稳定的理论证明,为数值计算奠定了基础。

 
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