发明名称 |
Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties |
摘要 |
An additive composition including a synergistic combination of a hectorite organoclay composition and an attapulgite organoclay composition. The hectorite organoclay composition includes (i) a first organic cation provided by an alkoxylated quaternary ammonium salt; and ii) a second organic cation wherein such second organic cation is not provided by an alkoxylated quaternary ammonium salt. The attapulgite organoclay composition includes (iii) a third organic cation provided by an alkoxylated quaternary ammonium salt; and (iv) a fourth organic cation wherein such third organic cation is not provided by an alkoxylated quaternary ammonium salt. |
申请公布号 |
US8389447(B2) |
申请公布日期 |
2013.03.05 |
申请号 |
US20100793895 |
申请日期 |
2010.06.04 |
申请人 |
DINO DAVID;THOMPSON JEFFREY;ELEMENTIS SPECIALTIES, INC. |
发明人 |
DINO DAVID;THOMPSON JEFFREY |
分类号 |
C09K8/60 |
主分类号 |
C09K8/60 |
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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