杜庆军;侯健;鹿腾;李振泉;张言辉;

• 1:中国石油大学(华东)地球资源与信息学院

• 2:中国石油大学(华东)石油工程学院

• 3:胜利石油管理局地质科学研究院

摘要(Abstract)：

基于泡沫临界毛管力理论,建立描述泡沫驱渗流特征的分流量方程,采用特征线法进行求解;通过对泡沫驱替实验进行拟合,研究有前置表面活性剂段塞和无前置表面活性剂段塞的泡沫驱渗流特征.结果表明:该方法可以从机理上反映泡沫驱渗流特征;在有前置表面活性剂段塞情况下,泡沫体系呈活塞式驱替,岩心两端压力线性增加,驱替前缘两侧分别为水流动区和泡沫流动区,其中泡沫流动区处于临界含水饱和度状态;在无前置表面活性剂段塞情况下,水流动区和泡沫流动区之间存在自由气和水混合流动的气驱段塞,同时泡沫突破时间晚于有表面活性剂段塞情况,但容易产生气窜现象.

关键词(KeyWords)：泡沫驱;渗流特征;分流理论;物理模拟

Abstract:

Keywords:

基金项目(Foundation):国家“863”项目(2007AA06Z216);;

国家自然科学基金项目(10972237);;

国家科技重大专项(2008ZX05011)

作者(Author):杜庆军;侯健;鹿腾;李振泉;张言辉;

Email:

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