Title:
CRUDE OIL RECOVERY CHEMICAL FLUID
Document Type and Number:
WIPO Patent Application WO/2019/053907
Kind Code:
A1
Abstract:
There is provided a crude oil recovery chemical fluid which is excellent in resistance to high temperature and salt. A crude oil recovery chemical fluid which is excellent in resistance to high temperature and salt, characterized by containing a silane compound, an aqueous silica sol having an average particle diameter of 3 to 200 nm, two or more anionic surfactants, and one or more nonionic surfactants.
Inventors:
MURAKAMI SATORU (JP)
OOTA ISAO (JP)
OOTA ISAO (JP)
Application Number:
PCT/JP2017/037208
Publication Date:
March 21, 2019
Filing Date:
October 13, 2017
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
C09K8/584
Domestic Patent References:
| WO2009044912A1 | 2009-04-09 |
Foreign References:
| JPH01234468A | 1989-09-19 | |||
| JPH10111544A | 1998-04-28 | |||
| US3506070A | 1970-04-14 | |||
| US3613786A | 1971-10-19 | |||
| US3740343A | 1973-06-19 | |||
| JPH0135157B2 | 1989-07-24 | |||
| JPH0586989B2 | 1993-12-15 | |||
| JPS5026264B1 | 1975-08-29 | |||
| US20100096139A1 | 2010-04-22 | |||
| JP4033970B2 | 2008-01-16 |
Attorney, Agent or Firm:
HANABUSA PATENT & TRADEMARK OFFICE (JP)
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