Oil recovery technique combining chemical handling with water blocking in oil well


Application Number  00129385 Application Date  2000.12.05
Publication Number  1302942 Publication Date  2001.07.11
Priority Information    
International
Classification
 E21B33/13;E21B43/22  
Applicant(s) Name  Petroleum Univ (Huadong)  
Address    
Inventor(s) Name  Zhao Fulin;Wang Jiayin;Zhang Guicai  
Patent Agency Code  11013 Patent Agent  zhao dongye
AbstractAn oil recovery technique features the combination of chemical handling with water blocking in a same oil well and its optimized chemical formula and dosage by using a specific method. Its advantages are high oil output and low water content in oil.