| 发明名称 |
THIXOTROPIC CEMENTING COMPOSITIONS |
| 摘要 |
<p>A thixotropic cementing composition for use in oil and gas wells comprises a hydraulic cement slurry including as an additive a complex reaction product of a water soluble carboxyalkyl, hydroxyalkyl or mixed carboxyalkyl hydroxyalkyl ether of cellulose, and a polyvalent metal salt, for example a reaction product of hydroxyethylcellulose and zirconyl chloride.</p> |
| 申请公布号 |
CA1062287(A) |
申请公布日期 |
1979.09.11 |
| 申请号 |
CA19760246315 |
申请日期 |
1976.02.23 |
| 申请人 |
HALLIBURTON COMPANY |
发明人 |
OSTROOT, GABRIEL W.;CHATTERJI, JITEN |
| 分类号 |
C04B7/02;(IPC1-7):04B7/02;04B31/36 |
主分类号 |
C04B7/02 |
| 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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