Patents by Inventor Bill Oneil

Bill Oneil 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).

  • Fracturing with viscoelastic surfactant based fluid
    Patent number: 6904972
    Abstract: A subterranean fracturing fluid, which is relatively harmless to both the environment and subterranean formations includes an amphoteric surfactant, specifically a betaine surfactant and an organic electrolyte or an alcohol in an aqueous medium. Depending upon the proportions of the ingredients, and fluid can be foamed.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: June 14, 2005
    Inventors: Kewei Zhang, Bill Oneil
  • Fracturing liquid
    Publication number: 20030168217
    Abstract: A subterranean fracturing fluid, which is relatively harmless to both the environment and subterranean formations includes an amphoteric surfactant, specifically a betaine surfactant and an organic electrolyte or an alcohol in an aqueous medium. Depending upon the proportions of the ingredients, the fluid can be foamed.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 11, 2003
    Inventors: Kewei Zhang, Bill Oneil