| 发明名称 |
Drilling fluid, apparatus, and method |
| 摘要 |
Disclosed are drilling fluids that include carboxyalkylated corn hulls in an amount effective to inhibit fluid loss from a wellbore formation. The carboxyalkylated corn hulls are heat stable and surprisingly effective at inhibiting fluid loss. Also disclosed are a drilling apparatus and a drilling process.
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| 申请公布号 |
US7018955(B2) |
申请公布日期 |
2006.03.28 |
| 申请号 |
US20030342800 |
申请日期 |
2003.01.15 |
| 申请人 |
GRAIN PROCESSING CORPORATION |
发明人 |
SCHILLING KEVIN H.;RILEY MICHAEL;MCPHERSON ROGER E. |
| 分类号 |
C09K8/08;C09K8/10;C09K8/20;C09K8/32;C09K8/34 |
主分类号 |
C09K8/08 |
| 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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