稠油油藏体相流体非线性渗流理论模型

TE312; 根据稠油油藏体相流体渗流特点,建立基于稠油吸附边界层和屈服特性影响下的稠油体相流体非线性渗流理论模型及启动压力梯度理论公式,并利用岩心渗流与启动压力梯度试验结果对理论模型计算结果进行验证.结果表明:理论计算结果与试验结果拟合较好,启动压力梯度理论公式计算结果平均偏差为 7.77%,稠油油藏体相流体非线性渗流理论模型计算结果平均偏差为 7.50%,均在可接受偏差范围内,并且该模型针对不同流变类型的流体渗流都具有较好的普适性....

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Published in中国石油大学学报(自然科学版) Vol. 48; no. 4; pp. 123 - 130
Main Authors 柯文丽, 喻高明, 刘延东, 贾婷婷
Format Journal Article
LanguageChinese
Published 油气钻采工程湖北省重点实验室(长江大学),湖北武汉 430100%长庆油田分公司第二采气厂,陕西榆林 719000 01.08.2024
长江大学石油工程学院,湖北武汉 430100
Subjects
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ISSN1673-5005
DOI10.3969/j.issn.1673-5005.2024.04.013

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Abstract TE312; 根据稠油油藏体相流体渗流特点,建立基于稠油吸附边界层和屈服特性影响下的稠油体相流体非线性渗流理论模型及启动压力梯度理论公式,并利用岩心渗流与启动压力梯度试验结果对理论模型计算结果进行验证.结果表明:理论计算结果与试验结果拟合较好,启动压力梯度理论公式计算结果平均偏差为 7.77%,稠油油藏体相流体非线性渗流理论模型计算结果平均偏差为 7.50%,均在可接受偏差范围内,并且该模型针对不同流变类型的流体渗流都具有较好的普适性.
AbstractList TE312; 根据稠油油藏体相流体渗流特点,建立基于稠油吸附边界层和屈服特性影响下的稠油体相流体非线性渗流理论模型及启动压力梯度理论公式,并利用岩心渗流与启动压力梯度试验结果对理论模型计算结果进行验证.结果表明:理论计算结果与试验结果拟合较好,启动压力梯度理论公式计算结果平均偏差为 7.77%,稠油油藏体相流体非线性渗流理论模型计算结果平均偏差为 7.50%,均在可接受偏差范围内,并且该模型针对不同流变类型的流体渗流都具有较好的普适性.
Abstract_FL In this study,based on the fluid flow characteristics of heavy oil reservoirs,a nonlinear flow model of fluid flow in heavy oil reservoirs was established considering the influence of heavy oil adsorption boundary layers and yield characteristics,along with a theoretical formula for the initiation pressure gradient.The calculation results of the theoretical model were valida-ted using core flow and initiation pressure gradient experimental results.The results show that the theoretical calculations are in good agreement with experimental results.The average deviation of the theoretical formula for the initiation pressure gradient is 7.77%,and the average deviation of the nonlinear flow model is 7.50%,both within an acceptable range of deviation.Moreo-ver,the new model exhibits good universality for predicting the flow behavior of fluids with different rheological types.
Author 刘延东
贾婷婷
喻高明
柯文丽
AuthorAffiliation 长江大学石油工程学院,湖北武汉 430100;油气钻采工程湖北省重点实验室(长江大学),湖北武汉 430100%长庆油田分公司第二采气厂,陕西榆林 719000
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Author_FL YU Gaoming
LIU Yandong
KE Wenli
JIA Tingting
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DocumentTitle_FL A theoretical model for nonlinear flow of bulk phase fluids in heavy oil reservoirs
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Issue 4
Keywords 边界层
bulk phase fluid
稠油
boundary layer
threshold pressure gradient
启动压力梯度
nonlinear seepage
体相流体
heavy oil
非线性渗流
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PublicationTitle 中国石油大学学报(自然科学版)
PublicationTitle_FL Journal of China University of Petroleum(Edition of Natural Science)
PublicationYear 2024
Publisher 油气钻采工程湖北省重点实验室(长江大学),湖北武汉 430100%长庆油田分公司第二采气厂,陕西榆林 719000
长江大学石油工程学院,湖北武汉 430100
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Snippet TE312; 根据稠油油藏体相流体渗流特点,建立基于稠油吸附边界层和屈服特性影响下的稠油体相流体非线性渗流理论模型及启动压力梯度理论公式,并利用岩心渗流与启动压力梯度试...
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Title 稠油油藏体相流体非线性渗流理论模型
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