| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 10.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
A universal additive for improving the properties of a cement slurry to be used for cementing a well comprising - Ferrous chloride, ferric chloride or mixt thereof present in amount 0.5-30 parts - Dispersing agent which controls the rheology of slurry - Organic acid which controls the visc. of slurry - Hydratable polymer which increases the visc. of slurry - Ultra-fine particulate hydraulic cement having max size of 15 microns & specific surface of 12,000 square.cm/gram & present in amount 1-50 parts |
| PATENT PHOTOCOPY | Available on request |
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