Title:
ANIONIC-CATIONIC-NONIONIC SURFACTANT AND MANUFACTURING METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/061712
Kind Code:
A1
Abstract:
The present invention relates to an anionic-cationic-nonionic surfactant essentially as shown in formula (I), a manufacturing method thereof, and an application thereof in tertiary oil recovery. The anionic-cationic-nonionic surfactant of the present invention shows significantly improved interfacial activity and stability compared to the prior art. Using the anionic-cationic-nonionic surfactant of the present invention, an oil displacement composition used for tertiary oil recovery and having improved oil displacement efficiency and oil washing capability compared to the prior art can be manufactured. Each group in formula (I) is as defined in the description.
Inventors:
LI YINGCHENG (CN)
GU SONGYUAN (CN)
ZHANG WEIDONG (CN)
BAO XINNING (CN)
SHA OU (CN)
SHEN ZHIQIN (CN)
YANG YIQING (CN)
ZHAI XIAODONG (CN)
GU SONGYUAN (CN)
ZHANG WEIDONG (CN)
BAO XINNING (CN)
SHA OU (CN)
SHEN ZHIQIN (CN)
YANG YIQING (CN)
ZHAI XIAODONG (CN)
Application Number:
PCT/CN2014/000939
Publication Date:
April 28, 2016
Filing Date:
October 22, 2014
Export Citation:
Assignee:
CHINA PETROLEUM & CHEMICAL (CN)
SHANGHAI RES INST PETROCHEMICAL TECHNOLOGY SINOPEC (CN)
SHANGHAI RES INST PETROCHEMICAL TECHNOLOGY SINOPEC (CN)
International Classes:
C09K8/584; C09K23/00
Domestic Patent References:
| WO2011130310A1 | 2011-10-20 |
Foreign References:
| CN103965853A | 2014-08-06 | |||
| CN103740354A | 2014-04-23 | |||
| CN103967462A | 2014-08-06 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
中国专利代理(香港)有限公司 (CN)
中国专利代理(香港)有限公司 (CN)
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