| 发明名称 |
Drilling fluid and methods |
| 摘要 |
A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier. |
| 申请公布号 |
US8338340(B2) |
申请公布日期 |
2012.12.25 |
| 申请号 |
US201113193170 |
申请日期 |
2011.07.28 |
| 申请人 |
STOIAN STEFAN ALEXANDRU;SMITH CARL KEITH;TECH-STAR FLUID SYSTEMS INC. |
发明人 |
STOIAN STEFAN ALEXANDRU;SMITH CARL KEITH |
| 分类号 |
C09K8/04;C09K8/20 |
主分类号 |
C09K8/04 |
| 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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