| 发明名称 |
METHODS, DRILLING FLUIDS AND DRILLING FLUID ADDITIVES FOR LIMITING TAR SAND ACCRETION ON METAL SURFACES. |
| 摘要 |
Drilling fluids, drilling fluid additives and methods for oil well drillin g feature quaternary ammonium salts and act to reduce accretion of bituminous material on metal surfaces of drilling equipment.
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| 申请公布号 |
MX2008011831(A) |
申请公布日期 |
2009.04.15 |
| 申请号 |
MX20080011831 |
申请日期 |
2008.09.15 |
| 申请人 |
SCOMI OILTOOLS CANADA INC. |
发明人 |
PROCTOR, DANNY E.;WATTS, KENNETH |
| 分类号 |
C09K8/72 |
主分类号 |
C09K8/72 |
| 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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