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The effects of the ratio of storativities ω, interporosity flow parameter λ on the pressure behaviors for a vertically fractured well with infinite conductivity are investigated by using the method of numerical inversion.


The steady oil production and pressure distribution formulae of vertically fractured well for powerlaw nonNewtonian fluid were derived on the basis of the elliptic flow model in fractal reservoirs.


The corresponding transient flow in fractal reservoirs was studied by numerical differentiation method: the influence of fractal index to transient pressure of vertically fractured well was analyzed.


The study shows that using elliptic flow method to analyze the flow of vertically fractured well is a simple method.


The effects of the ratio of storativities ω, interporosity flow parameter λ on the pressure behaviors for a vertically fractured well with infinite conductivity are investigated by using the method of numerical inversion.


The steady oil production and pressure distribution formulae of vertically fractured well for powerlaw nonNewtonian fluid were derived on the basis of the elliptic flow model in fractal reservoirs.


The corresponding transient flow in fractal reservoirs was studied by numerical differentiation method: the influence of fractal index to transient pressure of vertically fractured well was analyzed.


The study shows that using elliptic flow method to analyze the flow of vertically fractured well is a simple method.


Linear flow periods may appear in many cases, for example: flow towards horizontal wells, vertically fractured wells, etc.


Linear flow periods may appear in many cases, for example: flow towards horizontal wells, vertically fractured wells, etc.




 This paper presents the analytical solutions in Laplace domain for twodimensional nonsteady flow of slightly compressible liquid in porous media with double porosity by using the methods of integral transforms and variables separation. The effects of the ratio of storativities ω, interporosity flow parameter A on the pressure behaviors for a vertically fractured well with infinite conductivity are investigated by using the method of numerical inversion. The new loglog diagnosis graph of the pressures is given... This paper presents the analytical solutions in Laplace domain for twodimensional nonsteady flow of slightly compressible liquid in porous media with double porosity by using the methods of integral transforms and variables separation. The effects of the ratio of storativities ω, interporosity flow parameter A on the pressure behaviors for a vertically fractured well with infinite conductivity are investigated by using the method of numerical inversion. The new loglog diagnosis graph of the pressures is given and analysed.  本文用积分变换和分离变量等方法,求得了弱压缩液体在双重孔隙介质中,二维不定常渗流的Laplace变换空间解.用数值反演的公式研究了,双重介质裂缝储量比ω和介质间传输系数λ对无限导流垂直裂缝井压力动态的影响.  The analytical solutions of transient two dimensional flow through double porous media with nowsteady exchanging state are presented that describe the pressure response of well bore with a single infinite conductivity vertical fracture in rectangular closed reservoir, using the method of integral transform and variable separations; the influences of parameters of double porous media and well configuration such as interporosity flow parameter λ , storativity ratio ω and fracture length xf0 on the pressure response... The analytical solutions of transient two dimensional flow through double porous media with nowsteady exchanging state are presented that describe the pressure response of well bore with a single infinite conductivity vertical fracture in rectangular closed reservoir, using the method of integral transform and variable separations; the influences of parameters of double porous media and well configuration such as interporosity flow parameter λ , storativity ratio ω and fracture length xf0 on the pressure response of vertically fractured well are calculated and analyzed by the method of numerical inversion for Laplace transform.  本文用积分变换和分离变量等方法,求得了弱压缩液体在双重孔隙介质中,二维不定常渗流的Laplace变换空间解,用数值反演的公式研究了非稳态变换双重介质裂缝储量比ω和介质间传输系数λ对无限导流垂直裂缝井压力动态的影响。  This paper presents a solution in Laplace space for the transient pressure in infinite reservoir of a well with a uniform flux vertical fracture with considering the wellbore storage efficiency. The results can be used to determine the orientation of a vertical fracture by analysis of interference test data of wellbore storage at the active fractured well. It shows that the wellbore storage efficiency affects the pressure behavior obviously. Therefore the wellbore storage efficiency should be considered when... This paper presents a solution in Laplace space for the transient pressure in infinite reservoir of a well with a uniform flux vertical fracture with considering the wellbore storage efficiency. The results can be used to determine the orientation of a vertical fracture by analysis of interference test data of wellbore storage at the active fractured well. It shows that the wellbore storage efficiency affects the pressure behavior obviously. Therefore the wellbore storage efficiency should be considered when determining the orientation of a vertical fracture.  给出考虑井储效应的均匀流量在垂直裂缝井中产生的压力在Ｌａｐｌａｃｅ空间中的解析解，利用此解通过干扰试井压力分析可以确定裂缝方位。结果表明，井储效应对压力特征有很大影响，确定裂缝方位时应考虑井储效应的影响。   << 更多相关文摘 
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