Invention Grant
US08153562B2 Oligoglycerol fatty acid ester thickeners for oil-based drilling fluids
有权
用于油基钻井液的低聚甘油脂肪酸酯增稠剂
- Patent Title: Oligoglycerol fatty acid ester thickeners for oil-based drilling fluids
- Patent Title (中): 用于油基钻井液的低聚甘油脂肪酸酯增稠剂
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Application No.: US12677896Application Date: 2008-09-12
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Publication No.: US08153562B2Publication Date: 2012-04-10
- Inventor: Heinz Muller , Diana Maker , Nadja Herzog
- Applicant: Heinz Muller , Diana Maker , Nadja Herzog
- Applicant Address: DE Dusseldorf
- Assignee: Emery Oleochemicals GmbH
- Current Assignee: Emery Oleochemicals GmbH
- Current Assignee Address: DE Dusseldorf
- Agency: Smith Moore Leatherwood LLP
- Agent Philip P. McCann
- Priority: EP07018088 20070914
- International Application: PCT/EP2008/062201 WO 20080912
- International Announcement: WO2009/037213 WO 20090326
- Main IPC: C09K8/02
- IPC: C09K8/02 ; C09K8/32
Abstract:
Oligoglycerol esters of fatty acids, preferably of unsaturated fatty acids, can be used as thickeners in oil-based drilling mud compositions. The oligoglycerides are preferably employed in invert drilling muds, the oily phase of which contains paraffins.
Public/Granted literature
- US20100256021A1 THICKENERS FOR OIL-BASED DRILLING FLUIDS Public/Granted day:2010-10-07
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