Patents by Inventor FENGXIANG YOU

FENGXIANG YOU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • HIGH TEMPERATURE AQUEOUS-BASED ZIRCONIUM CROSSLINKING COMPOSITION AND USE
    Publication number: 20090114390
    Abstract: A fracturing fluid or crosslinking composition suitable for use at high temperature (275-340° F., 135-171° C.) comprising (a) an aqueous liquid, (b) brine, (c) a thermal stabilizer, (d) a non-delaying alkaline buffer sufficient to provide a pH less than 9, (e) an organic acid, (f) hydroxypropyl guar and (g) a zirconium crosslinking agent. The composition is useful as a fracturing fluid in oil field applications, for example, for hydraulically fracturing a subterranean formation or selectively plugging a permeable zone or leak in a subterranean formation.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 7, 2009
    Inventor: FENGXIANG YOU