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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,油气渗流力学,2013.11,陈军斌 教授,Mechanics Of Oil And Gas Flow In Porous Media,Professor Junbin Chen,油气渗流力学2013.11陈军斌 教授Mechanics,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.1,三种基本渗流方式,Three basic forms of percolation,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of,single-phase incompressible fluid,2.3,单相不可压缩流体的平面径向稳定渗流,Planar radial steady state percolation of single-phase,incompressible fluid,2.4,油井的不完善性,Imperfect well,2.5,稳定试井,Systematic well testing,（,Step rate testing,）,2.6,单相流体渗流的微分方程,Differential equation of single-phase fluid,percolation,第二章 单相不可压缩液体的稳定渗流2.1 三种基本渗流方,2.1,三种基本渗流方式,Three basic forms of percolation,平面一维渗流,planar one-dimensional percolation,平面径向渗流,planar radial percolation,球面径向渗流,globe radial percolation,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.1 三种基本渗流方式平面一维渗流平面径向渗流球面径向渗,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.1,三种基本渗流方式,Three basic forms of percolation,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of,single-phase incompressible fluid,2.3,单相不可压缩流体的平面径向稳定渗流,Planar radial steady state percolation of single-phase,incompressible fluid,2.4,油井的不完善性,Imperfect well,2.5,稳定试井,Systematic well testing,（,Step rate testing,）,2.6,单相流体渗流的微分方程,Differential equation of single-phase fluid,percolation,第二章 单相不可压缩液体的稳定渗流2.1 三种基本渗流方,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of single-,phase incompressible fluid,不可压缩流体,：体积不随着压力的变化而变化的流体，又称,刚性流体,。与之相反，称为,可压缩流体,。,Incompressible fluid,：,the fluid that volume does not change with the change of pressure,，,also known as,rigid fluid,.It is named as,compressible fluid,on the contrary.,稳定渗流,：压力、渗流速度等运动参数不随时间变化而变化，又被称为,定常渗流,或,稳态渗流,。与之相反，称为,不稳定渗流,。,Steady state percolation,：,The motion parameters,，,pressure,、,velocity etc.,，,do not change with time,also known as the steady state flow.It is named as,unsteady state percolation,on the contrary.,渗流场图,：由一组等压线和一组流线按照一定规则构成的图形。,Percolation field diagram,：,Graphics consisted of a set of isobar and a group of streamline according to certain rules.,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.2 单相不可压缩液体的平面一维稳定渗流 不可压缩,p,e,p,w,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of single-,phase incompressible fluid,假设长为,L,、宽为,B,、厚度为,h,的水平条带状油层，刚性水压驱动，地层是均质、等厚、各向同性的。供给边界上的压力为,Pe,，出口端为一排排液坑道，其压力为,Pw,。,Assuming there is a horizontal strip oil layer,，,and its length is L,，,width is B,，,height is h,，,the reservior is rigid water drive,，,and the fluid and rock are incompressible.And the formation is homogeneous,，,and isotropic.The supply boundary pressure is Pe,，,and the delivery end is an drainage pit whose pressure is Pw.,平面一维渗流,planar one-dimensional percolation,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,pepw2.2 单相不可压缩液体的平面一维稳定渗流,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of single-,phase incompressible fluid,等压线,isobars,流线,streamlines,p,e,p,w,达西定律,Darcy law,产量,Production,压力梯度,Pressure gradient,压力分布,Pressure distribution,见水时间,Breakthrough time,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.2 单相不可压缩液体的平面一维稳定渗流等压线流线pep,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.1,三种基本渗流方式,Three basic forms of percolation,2.2,单相不可压缩液体的平面一维稳定渗流,Planar one-dimensional steady state percolation of,single-phase incompressible fluid,2.3,单相不可压缩流体的平面径向稳定渗流,Planar radial steady state percolation of single-phase,incompressible fluid,2.4,油井的不完善性,Imperfect well,2.5,稳定试井,Systematic well testing,（,Step rate testing,）,2.6,单相流体渗流的微分方程,Differential equation of single-phase fluid,percolation,第二章 单相不可压缩液体的稳定渗流2.1 三种基本渗流方,p,e,p,w,2.3,单相不可压缩液体的平面径向稳定渗流,Planar radial steady state percolation of single-,phase incompressible fluid,（,1,）地层是均质等厚各向同性的；,The formation is homogeneous,，,isopachous and isotropic,；,（,2,）地层内只有一种均质不可压缩液体在流动，且不考虑地层的压缩性；,There is one kind of homogeneous and incompressible fluid flowing in formation,；,（,3,）流体与岩石无物理化学反应；,There is no physical and chemical action between fluid and rock.,（,4,）油井为裸眼井，地层形状如图所示。,The production well is barefoot well and the shape of formation is shown as figure.,平面径向渗流,planar radial percolation,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,pepw2.3 单相不可压缩液体的平面径向稳定渗流,2.3,单相不可压缩液体的平面径向稳定渗流,Planar radial steady state percolation of single-,phase incompressible fluid,达西定律,Darcy law,压力分布,Pressure distribution,产量,Production,压力梯度,Pressure gradient,平均地层压力,Average pressure,见水时间,Breakthrough time,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.3 单相不可压缩液体的平面径向稳定渗流达西定律压力分布,第二章 单相不可压缩液体的稳定渗流,Chapter2 Steady state percolation of single-phase incompressible fluid,2.1,三种基本渗流方式,Three basic
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