- Patent Title: Method for subterranean petroleum recovery using a surfactant blend
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Application No.: US15512863Application Date: 2015-09-17
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Publication No.: US10370584B2Publication Date: 2019-08-06
- Inventor: Claribel Acevedo Velez , Wanglin Yu , Wanda G. Buckner , Joydeep Mukherjee
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agency: Brooks, Cameron & Huebsch, PLLC
- International Application: PCT/US2015/050550 WO 20150917
- International Announcement: WO2016/048765 WO 20160331
- Main IPC: C09K8/584
- IPC: C09K8/584 ; C11D1/12 ; C11D1/72 ; C11D1/831 ; E21B43/20

Abstract:
Recover petroleum from a subterranean formulation by injecting an aqueous solution comprising a polyethylene oxide nonionic surfactants and a disulfonated anionic surfactant.
Public/Granted literature
- US20170321111A1 METHOD FOR SUBTERRANEAN PETROLEUM RECOVERY USING A SURFACTANT BLEND Public/Granted day:2017-11-09
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