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Calculation Method for Angle Point Grid Conductivity

Hongwei Liu

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Abstract

Cartesian grid,which is widely used in reservoir numerical simulation,has much limits in characterizing complicated reservoirs,especially cannot approximate the complicate boundary form of fractures.In order to solve this problem,this paper studies the application degree of angle point geometry in conductiviry calculation,and construct a mathematical model.It propose a set of method which calculated conductivity based on non-structural grid,and compiles program.Numerical simulation verifies the feasibility of this method.

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What this paper is about

Cartesian grid,which is widely used in reservoir numerical simulation,has much limits in characterizing complicated reservoirs,especially cannot approximate the complicate boundary form of fractures.In order to solve this problem,this paper studies the application degree of angle point geometry in conductiviry calculation,and construct a mathematical model.It propose a set of method which calculated conductivity based on non-structural grid,and compiles program.Numerical simulation verifies the feasibility of this method.

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Available abstract

Cartesian grid,which is widely used in reservoir numerical simulation,has much limits in characterizing complicated reservoirs,especially cannot approximate the complicate boundary form of fractures.In order to solve this problem,this paper studies the application degree of angle point geometry in conductiviry calculation,and construct a mathematical model.It propose a set of method which calculated conductivity based on non-structural grid,and compiles program.Numerical simulation verifies the feasibility of this method.

Key concepts: Regular grid, Grid, Cartesian coordinate system, Point (geometry), Grid method multiplication, Set (abstract data type), Boundary (topology), Boundary value problem

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