| 发明名称 |
Emulsifier based on polyamines and fatty acid/maleic anhydride |
| 摘要 |
The present invention generally relates to a polyamide emulsifier, to a drilling fluid composition that comprises said emulsifier and to a method of drilling a borehole into a subterranean formation utilizing the drilling fluid composition of the invention. |
| 申请公布号 |
US8163675(B2) |
申请公布日期 |
2012.04.24 |
| 申请号 |
US20050254271 |
申请日期 |
2005.10.20 |
| 申请人 |
NAVARRETE REINALDO CONRADO;YU HUA;HOU WANGQI;RAHMAN MOHAMMAD ABDUR;AKZO NOBEL N.V. |
发明人 |
NAVARRETE REINALDO CONRADO;YU HUA;HOU WANGQI;RAHMAN MOHAMMAD ABDUR |
| 分类号 |
C09K8/32;E21B21/00 |
主分类号 |
C09K8/32 |
| 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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