Patents by Inventor Varadarjan Dwarakanath

Varadarjan Dwarakanath 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).

  • Patent number: 9422469
    Abstract: In an embodiment of the disclosure, mixtures of different carbon length alcohols are used as the primary feedstock for Guerbet alcohols. Specifically, embodiments relate to a method of synthesizing mixed molecular weight surfactants from a mixture of primary alcohols comprising, receiving a mixture of primary alcohols comprising at least two different chain length primary alcohols and reacting the mixture of primary alcohols to produce a mixture of Guerbet alcohols. The mixture of Guerbet alcohols is then used to produce a surfactant composition comprising surfactants of different molecular weights.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 23, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventors: Varadarjan Dwarakanath, Robert Shong
  • Publication number: 20150376998
    Abstract: The present disclosure provides techniques for inline injection of water and chemicals for a dump flood. The techniques include collecting water from a source reservoir into a water collection zone of an adjacent water injection well, and injecting a chemical solution into the water injection well. The water and the chemical solution are then mixed downhole in a mixer, such as a static mixer. The mixed injection fluid is then directly injected into an adjacent target reservoir.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 31, 2015
    Applicant: Chevron U.S.A. Inc.
    Inventors: Robert Matthew Dean, Varadarjan Dwarakanath, Taimur Malik, Will Sherman Slaughter, Dustin L. Walker
  • Publication number: 20140262282
    Abstract: In an embodiment of the disclosure, mixtures of different carbon length alcohols are used as the primary feedstock for Guerbet alcohols. Specifically, embodiments relate to a method of synthesizing mixed molecular weight surfactants from a mixture of primary alcohols comprising, receiving a mixture of primary alcohols comprising at least two different chain length primary alcohols and reacting the mixture of primary alcohols to produce a mixture of Guerbet alcohols. The mixture of Guerbet alcohols is then used to produce a surfactant composition comprising surfactants of different molecular weights.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: Chevron U.S.A. Inc.
    Inventors: Varadarjan Dwarakanath, Robert Shong