摘要
本文利用美国ＳＳＩ公司的ＣＯＭＰⅣ模拟软件对１／４五点井网的裂缝性油藏水驱开发进行了模拟。模拟中考虑了孔隙度、渗透率、油水粘度比、毛管压力、采油速度等地质、物理及工艺方面的因素。运用正交设计法来安排模拟，研究这些因素对水驱采收率的影响，并运用综合比较法和统计分析法对这些影响因素进行分析，找出影响裂缝油藏水驱采收率的重要因素。最后利用多元回归给出由重要因素表达的采收率公式，并运用我国华北等油田的实际资料进行校正。这一公式将裂缝与基质两大系统分开，计算的结果将更为准确。
This paper simulates the waterflood production of a fracture reservoir in 1/4 five-spot pattern by using COMP IV simulation software of U.S. SSI Company. In the simulation, geological, physical and technological factors as porosity, permeability, oil-water viscosity ratio, capillary pressure & production rate etc. are considered. Effect of these factors on waterflood recovery efficiency is studied by using orthogonal design method in the simulation. Analysis on these influential factors is made by using composite comparison method and statistical analysis method. Important factors that affect waterflood recovery efficiency of fracture-type reservoir is found out. Recovery efficiency formula expressed by important factors is finally given by using multivariate regression. Measured data from Huabei Oilfield etc. are used to correct the formula. This formula separates the two big systems of fracture and matrix, thus makes the calculated results more accurate.
出处
《大庆石油地质与开发》
CAS
CSCD
北大核心
1998年第6期32-35,共4页
Petroleum Geology & Oilfield Development in Daqing
关键词
裂缝油藏
水驱
油藏
正交设计
影响因素
采收率
Fracture-type reservoir, Waterflood, Fracture, Matrix, Orthogonal design, Factors
