- Patent Title: Anionic-cationic-nonionic surfactant, production and use thereof
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Application No.: US15520377Application Date: 2014-10-22
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Publication No.: US10400156B2Publication Date: 2019-09-03
- Inventor: Yingcheng Li , Songyuan Gu , Weidong Zhang , Xinning Bao , Ou Sha , Zhiqin Shen , Yiqing Yang , Xiaodong Zhai
- Applicant: CHINA PETROLEUM & CHEMICAL CORPORATION , SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
- Applicant Address: CN Beijing CN Shanghai
- Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION,SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
- Current Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION,SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
- Current Assignee Address: CN Beijing CN Shanghai
- Agency: Novick, Kim & Lee, PLLC
- Agent Allen Xue
- International Application: PCT/CN2014/000939 WO 20141022
- International Announcement: WO2016/061712 WO 20160428
- Main IPC: C07C309/10
- IPC: C07C309/10 ; C07C213/06 ; C07C217/08 ; C07C303/22 ; C09K8/584 ; C09K8/60 ; C07C231/14 ; C07C233/05 ; C07C233/09 ; C07C237/08 ; C07C237/40 ; C07C233/36
Abstract:
This invention relates to an anionic-cationic-nonionic surfactant as substantially represented by the formula (I), production and use thereof in tertiary oil recovery. The anionic-cationic-nonionic surfactant of this invention exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced. In the formula (I), each group is as defined in the specification.
Public/Granted literature
- US20170313928A1 ANIONIC-CATIONIC-NONIONIC SURFACTANT,PRODUCTION AND USE THEREOF Public/Granted day:2017-11-02
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