辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2013, Vol. 33 ›› Issue (4): 109-112.

• 其他学科 • 上一篇    

蒸汽吞吐机理数值模拟与正交试验分析

魏超平   

  1. 中国石化胜利油田分公司地质科学研究院,山东东营257000
  • 收稿日期:2013-08-28 出版日期:2013-12-25 发布日期:2017-07-14
  • 作者简介:魏超平(1982-),男,湖北汉川市,工程师,硕士。

 
Numerical Simulation of Cyclic Steam Stimulation Production Mechanisms and Orthogonal Test Analysis

WEI Chaoping   

  1. Geoscience Research Institute of Shengli Oilfield Co. Ltd., Dongying Shangdong 257015，China
  • Received:2013-08-28 Published:2013-12-25 Online:2017-07-14

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摘要： 目前蒸汽吞吐是稠油开发中最常用的生产方法,其开采机理主要为地层能量驱动、原油加热降黏、加
热改善油水相对渗透性、液体热膨胀和近井地带解堵。但是,关于各种机理对蒸汽吞吐贡献的大小问题却鲜有论
述。利用油藏数值模拟软件,采用正交试验分析方法进行研究的结果表明,这五种机理对吞吐采收率的贡献从大到
小的顺序为地层能量驱动、原油加热降黏、近井地带解堵、液体热膨胀和加热改善油水相对渗透性,并且前两者起决
定性的作用,是蒸汽吞吐能否取得较高采收率的关键。研究结果可指导设计人员高效地进行稠油油藏蒸汽吞吐开
发设计,同时可指导研究人员利用数值模拟软件对蒸汽吞吐进行数值模拟。

关键词: 稠油 , 蒸汽吞吐 ,  , 提高采收率 ,  , 油藏数值模拟 ,  , 正交试验

Abstract:  

Cyclic steam stimulation(CSS) is currently the most common production method in heavy oil reservoir. Its main mechanisms are formation elastic energydriven, crude oil viscosity reduction by heating, improvement of oilwater relative permeability, liquid thermal expansion and plug removal of near wellbore area. But the contribution of the mechanisms of cyclic steam stimulation is rarely discussed. By using reservoir simulation software and orthogonal test analysis, how to realize CSS simulation was described by the current popular thermal recovery numerical simulation software, and showed that the importance sequence of these five kinds mechanisms contribution on CSS recovery was as follows: formation elastic energy, crude oil viscosity reduction by heating, plug removal of near wellbore area, liquid thermal viscosity and improvement of oilwater relative permeability. And the previous two played a decisive role, which were the high recovery guarantee of CSS. Research findings could guide designers to efficiently design CSS in heavy oil reservoirs and to use simulation software for CSS.

Key words: Thick oil ,  Cyclic steam stimulation ,  EOR ,  Reservoir numerical simulation , Orthogonal test

引用本文

魏超平. 蒸汽吞吐机理数值模拟与正交试验分析[J]. 辽宁石油化工大学学报, 2013, 33(4): 109-112.

WEI Chaoping.  

Numerical Simulation of Cyclic Steam Stimulation Production Mechanisms and Orthogonal Test Analysis
[J]. Journal of Liaoning Petrochemical University, 2013, 33(4): 109-112.

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