Oil-producing method using ether carboxylate as oil displacement system


Application Number  00129383 Application Date  2000.12.05
Publication Number  1296115 Publication Date  2001.05.23
Priority Information    
International
Classification
 C07C59/125;E21B43/22  
Applicant(s) Name  Petroleum Univ. (Huadong)  
Address    
Inventor(s) Name  Wang Yefei;Zhao Fulin  
Patent Agency Code  11013 Patent Agent  zhao dongye
AbstractThe present invention relates to an oil production method in which ether and carboxylate are used as oil displacement system, and is characterized by utilizing synthesis of nonionic-anionic ampho-surfactant carboxylate and adopting ether carboxylate and petroleum sulfonate to form the invented new type oil displacement system through a certain compounding process according to a certain ratio so as to raise recover rate of crude oil.