| 发明名称 |
CEMENT COMPOSITION BASED ON CALCIUM ALUMINATE CEMENT |
| 摘要 |
<p>The present invention relates to a current composition for cementing oil or gas wells. The composition comprises calcium aluminate cement in which the proportion of HC203 is at least 50% by weight, dispersant, microsilica, mineral particles, water and optionally a retarder.</p> |
| 申请公布号 |
EP2714618(A1) |
申请公布日期 |
2014.04.09 |
| 申请号 |
EP20110866983 |
申请日期 |
2011.09.26 |
| 申请人 |
ELKEM AS |
发明人 |
REVIL, PHILIPPE;PENG, HONG |
| 分类号 |
C04B28/06;C04B7/32;C09K8/46 |
主分类号 |
C04B28/06 |
| 代理机构 |
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