Invention Grant
- Patent Title: Method of recovering oil from a subterranean formation
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Application No.: US13914061Application Date: 2013-06-10
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Publication No.: US10221348B2Publication Date: 2019-03-05
- Inventor: Monika Santa , Ansgar Behler , Thomas Van Der Koelen
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Agency: Drinker Biddle & Reath LLP
- Main IPC: C09K8/58
- IPC: C09K8/58 ; E21B43/16 ; C09K8/584
Abstract:
Method of recovering oil from a subterranean formation which comprises a step of injecting an aqueous composition comprising alkyl and/or alk(en)yl oligolucoside (ether) carboxylates into the subterranean formation and method of alkali-surfactant flooding and alkali-surfactant-polymer-flooding using such alkyl and/or alk(en)yl oligolucoside (ether) carboxylates.
Public/Granted literature
- US20130327523A1 METHOD OF RECOVERING OIL FROM A SUBTERRANEAN FORMATION Public/Granted day:2013-12-12
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