| 发明名称 |
LIGHTWEIGHT CEMENT SLURRY AND METHOD OF USE |
| 摘要 |
<p>A foamed, thixotropic hydraulic cement slurry and method of using same in cementing subterranean voids. This lightweight cement slurry is particularly useful for cementing in oil or gas wellbores penetrating a weak underground formation which will be broken by cement slurries of ordinary density. ?</p> |
| 申请公布号 |
CA1210413(A) |
申请公布日期 |
1986.08.26 |
| 申请号 |
CA19830432611 |
申请日期 |
1983.07.18 |
| 申请人 |
DOWELL SCHLUMBERGER CANADA INC. |
发明人 |
COPENING, WARD L. |
| 分类号 |
C04B28/14;(IPC1-7):C04B38/00;E21B33/14 |
主分类号 |
C04B28/14 |
| 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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