Gelation additive for hydraulic fracturing fluids

Details Gelation additive for hydraulic fracturing fluids Gelation additive for hydraulic fracturing fluids

1997-05-16

1998-06-30

Nazario-Gonzalez, Porfirio

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

Organic compounds

Heavy metal containing

556 52, 507271, C07F 700

Patent

active

057736383

ABSTRACT:
A method of formulating an organo-zirconium compound is accomplished by combining in solution a dialdehyde such as glyoxal with zirconium carbonate. The reacting solution forms an organo-zirconium compound and carbon dioxide which is evolved as a gas from the solution. This eliminates the need to filter or wash the organo-zirconium compound in order to remove undesirable by-products. The organo-zirconium compound can be used as a crosslinking agent for crosslinking aqueous polymer gels used in fracturing fluids for fracturing subterranean formations of oil and gas wells.

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Konunova, Ts. B., et al., "Study of the Complexing of Zirconium and Hafnium With Aldehydes and Ketones", Chemistry of inorganic coordination compounds, University of Kishinev, Kishinev, Russia, 1978.
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