Patents by Inventor Hyok Chong Tan

Hyok Chong Tan 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).

  • VISCOELASTIC SURFACTANTS CROSSLINKED WITH DIVALENT IONS AND METHODS FOR MAKING AND USING SAME
    Publication number: 20150007989
    Abstract: Viscoselastic surfactant systems including at least one viscoelastic surfactant and at least one divalent metal compound, where the systems are useable for enhancing oil production in oil wells that coproduce high volumes of gas and/or water and for enhancing gas injection uniformity into injection formations and methods including treating producing or injecting formations with the systems to enhance oil production in treated producing zones or enhance injection efficiency in injection zones.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 8, 2015
    Inventors: Hyok Chong Tan, Billy J. Gray