Zirconium chelates and their use for cross-linking

Details Zirconium chelates and their use for cross-linking Zirconium chelates and their use for cross-linking

1988-08-26

1989-11-28

Terapane, John F.

Compositions

Leather or fur treating

166294, 166295, 523130, E21B 4326

Patent

active

048836052

ABSTRACT:
A water-soluble zirconium chelate formed from a tetraalkyl zirconate and hydroxyethyl-tris-(hydroxypropyl) ethylene diamine, and use of the chelate as cross-linking agents in hydraulic fracturing fluids and in gels that are used for selectively plugging permeable zones in subterranean formations or for plugging subterranean leaks.

REFERENCES:
patent: 3301723 (1967-01-01), Chrisp
patent: 4579670 (1986-04-01), Payne
patent: 4686052 (1987-08-01), Baranet et al.
patent: 4702848 (1987-10-01), Payne

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