| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Cement slurry compn useful for cementing oil wells compri sing - Cement - Water - Synthetic hectorite clay to reduce solids segregation & free water development |
| PATENT PHOTOCOPY | Available on request |
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