| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 11.99 |
| PATENT ASSIGNEE | Atlantic Richfield |
| PATENT CLAIMS |
A cement slurry compn useful for cementing oil wells comprising - Cement - Water - Synthetic hectorite clay sufficient to reduce solids seggrega tion & free water development |
| PATENT PHOTOCOPY | Available on request |
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