| 发明名称 |
HIGHLY BRANCHED POLYMERIC MATERIALS AS COATING ON WEIGHTING AGENTS |
| 摘要 |
<p>A wellbore fluid having at least two phases, the wellbore fluid including a fluid phase; and a solid phase including a powdered solid material coated with a polymer, wherein the polymer is the reaction product of a polyesteramide and a crosslinking agent is disclosed.</p> |
| 申请公布号 |
WO2007149781(A1) |
申请公布日期 |
2007.12.27 |
| 申请号 |
WO2007US71345 |
申请日期 |
2007.06.15 |
| 申请人 |
M-I LLC;BALLARD, DAVID, ANTONY |
发明人 |
BALLARD, DAVID, ANTONY |
| 分类号 |
C09K8/03 |
主分类号 |
C09K8/03 |
| 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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