ZIRCONIUM CROSS-LINKING COMPOSITIONS AND PROCEDURES OF THEIR UTILISATION Russian patent published in 2011 - IPC C09K8/68 C09K8/88 E21B43/26 E21B43/22

Abstract RU 2424270 C2

FIELD: oil and gas production.

SUBSTANCE: cross-linking composition includes tri-ethanol-amine of zirconium, tetra(hydroxi-alkyl)ethylene-diamine, water and, not necessarily, multi-atom alcohol. There are also disclosed procedures, including utilisation of above said composition for hydraulic break, and also for blocking penetrable zones and seepage in underground formations.

EFFECT: raised efficiency at oil extracting operations with cross-linking compositions in most hot and deep wells.

13 cl, 17 ex, 3 tbl

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RU 2 424 270 C2

Authors

Putzig Donal'D Ehdvard

Dates

2011-07-20—Published

2007-02-05—Filed