发明名称 |
Oligoglycerol fatty acid ester thickeners for oil-based drilling fluids |
摘要 |
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.
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申请公布号 |
US8153562(B2) |
申请公布日期 |
2012.04.10 |
申请号 |
US20080677896 |
申请日期 |
2008.09.12 |
申请人 |
MULLER HEINZ;MAKER DIANA;HERZOG NADJA;EMERY OLEOCHEMICALS GMBH |
发明人 |
MULLER HEINZ;MAKER DIANA;HERZOG NADJA |
分类号 |
C09K8/02;C09K8/32 |
主分类号 |
C09K8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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