| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 10.99 |
| PATENT ASSIGNEE | Schlumberger Technology |
| PATENT CLAIMS |
- Aq hydrated gum - Buffer for pH 9-11 - Metal ion for gum crosslinking - The well treat fluid having reduced concn level of gum of 10-32 pounds of gum/1000 gallons of fluid Wherein the fluid is effective to delay release of metal ions & facilitates a elevated concn of metal ions at the crosslinking pH to facilitate effective use of fluid at subterranean T |
| PATENT PHOTOCOPY | Available on request |
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