Gelation additive for hydraulic fracturing fluids

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

1997-09-29

1998-08-25

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Well treating

Contains inorganic component other than water or clay

507244, 507266, 507267, 507903, 507922, 556 55, 525370, 525371, 166308, C09K 300, C07F 700, E21B 4317

Patent

active

057983208

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

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