Technique for combining secondary with tertiary oil recoveries


Application Number  00129384 Application Date  2000.12.05
Publication Number  1297099 Publication Date  2001.05.30
Priority Information    
International
Classification
 E21B43/20;E21B43/22  
Applicant(s) Name  Petroleum Univ. (Huadong)  
Address    
Inventor(s) Name  Zhao Fulin;Zhang Guicai;Zhou Hongtao  
Patent Agency Code  11013 Patent Agent  zhao dongye
AbstractA technique for combining secondary with tertiary oil recoveries features that on the basis of fully secondary oil recovery, the tertiary oil recovery is implemented to some extent by choosing efficient oil displacement agent and optimizing th consumption of oil displacement agent, resulting in higher recovery rate of crude.