| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 01.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
(a) Prepg base fluid by mixing aq fluid with carboxymethyl guar having a C* value of 0.06% wherein said guar is present in amount 0.12-0.24% & wherein base fluid has pH 3.5-11.5 (b) Adding Zr-based crosslinker to base fluid to form cross-linked gel (c) Introducing said gel into title formation at rate & pressure sufficient to fracture formation |
| PATENT PHOTOCOPY | Available on request |
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