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

1987-02-09

1989-01-17

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

252 8551, 166283, 1663051, 166308, C07F 700

Patent

active

047989025

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: 2824114 (1958-02-01), Bostwick
patent: 2824115 (1958-02-01), Beacham et al.
patent: 2985607 (1961-05-01), Koehler et al.
patent: 3888312 (1975-06-01), Tiner et al.
patent: 4460751 (1984-07-01), Hanlon et al.
patent: 4683068 (1987-07-01), Kucera
patent: 4692254 (1987-09-01), Kucera

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