Invention Grant
- Patent Title: Use of surfactant mixtures for tertiary mineral oil extraction
- Patent Title (中): 表面活性剂混合物用于三次矿物油萃取
-
Application No.: US12427109Application Date: 2009-04-21
-
Publication No.: US07985718B2Publication Date: 2011-07-26
- Inventor: Ulrich Steinbrenner , Christian Bittner , Oetter Günter , Marcus Guzmann
- Applicant: Ulrich Steinbrenner , Christian Bittner , Oetter Günter , Marcus Guzmann
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Connolly Bove Lodge & Hutz LLP
- Main IPC: C09K8/64
- IPC: C09K8/64 ; C09K8/528 ; C09K8/584 ; C09K8/78 ; C09K8/60 ; C02F5/10 ; E21B43/00 ; E21B43/16 ; E21B43/22
Abstract:
The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.
Public/Granted literature
- US20090270281A1 USE OF SURFACTANT MIXTURES FOR TERTIARY MINERAL OIL EXTRACTION Public/Granted day:2009-10-29
Information query
