水平井渗流分析

Analysis of Horizontal Well Flow

水平井是开采裂缝性油气藏的重要手段。本文针对裂缝性油藏和各向异性渗透性油藏的渗流特点，推导建立了水平井渗流模型，用有限傅氏变换方法得到其解，并绘出了无因次压力和无因次速度图版．根据无因次压力和无因次速度随时间和空间的变化规律，给出了上述两类油藏水平渗流特征、水平井水平段有利的延伸方位、以及有效的增产工艺措施。

Horizontal well is an important means of the recovery of fractured reservoir. In view of the seeping characteristics of the fractured reservoir and Permeability anisotropy reservoir, this Paper establishes a Percolation model of horizontal well, and obtains its solutions by finite Fourier transformation method. Besides, this Paper also draws the chart boards of dimensionless Pressure and dimensionless velocity. According to the law that dimensionless Pressure and dimensionless velocity vary with time and space, the Paper Presents the horizontal well seeping characteristics of the avove two types of reservoir, favourable exension orientation of the horizontal segment of horizontal well and effective technological measures of incresing Production.