一种原油物性参数归一化处理方法研究  

Normalized Processing Method of Crude Oil Physical Property Parameters

作　　者：陈河青[1] 杨智[1] 高成国[1] 向娟[1] 

机构地区：[1]中石油新疆油田分公司勘探开发研究院,新疆克拉玛依834000

出　　处：《石油天然气学报》2013年第6期114-115,8,共2页Journal of Oil and Gas Technology

摘　　要：当压力低于泡点压力时原油的体积因数随压力的增大而减小,高于泡点压力时随压力的增大而降低;原油黏度、密度等参数与体积因数随压力的变化规律类似,都具有"两段式"特征。以体积因数随压力的变化规律为例,提出了一种针对原油体积因数等参数"两段式"变化规律的归一化方法,根据该方法可以对原油体积因数等参数做归一化,从而取代选取典型样品数据来描述油藏原油物性特征。The density and viscosity of crude oil decreased with the increase of pressure,when the pressure was lower than that of bobble point.If it was higher than bubble point pressure,the density and viscosity of crude oil reduced with the increase of pressure.The law of oil volume factor changes was similar,they were changed in 2 segments.By using law of volumetric parameter changes for example,a method of normalization for the changes of 2 segments is proposed to normalize the parameters.The normalization could displace the selection of typical sample data to describe reservoir PVT properties.

关 键 词：原油体积因数 归一化 泡点压力 分段拟合 

分 类 号：TE622.5[石油与天然气工程—油气加工工程]