Patents by Inventor Vikram Unnikrishnan

Vikram Unnikrishnan 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).

  • System and method for performing a straddle frac operation
    Patent number: 11725479
    Abstract: A frac system includes a first packer assembly having a first compression set packer and a first indexing member, and a second packer assembly arranged upstream of the first packer assembly. The second packer assembly includes a second packer, a second indexing member, a bypass inlet arranged upstream of the second packer, and a frac port arranged downstream of the second packer. The bypass inlet is fluidically connected to the frac port through a bypass flow path and is selectively opened without disengaging the second packer.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: August 15, 2023
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventors: Eugene Stolboushkin, Vikram Unnikrishnan, Matthew Solfronk
  • SYSTEM AND METHOD FOR PERFORMING A STRADDLE FRAC OPERATION
    Publication number: 20220403713
    Abstract: A frac system includes a first packer assembly having a first compression set packer and a first indexing member, and a second packer assembly arranged upstream of the first packer assembly. The second packer assembly includes a second packer, a second indexing member, a bypass inlet arranged upstream of the second packer, and a frac port arranged downstream of the second packer. The bypass inlet is fluidically connected to the frac port through a bypass flow path and is selectively opened without disengaging the second packer.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 22, 2022
    Applicant: Baker Hughes Oilfield Operations LLC
    Inventors: Eugene Stolboushkin, Vikram Unnikrishnan, Matthew Solfronk
  • TOP DOWN FRAC SLEEVE, METHOD AND SYSTEM
    Publication number: 20220325607
    Abstract: A frac assembly including a housing, a port defined radially through the housing, a sleeve disposed in the housing, a self-displacing seat disposed on the sleeve, and a biasing member disposed between the sleeve and the housing. A method for fracturing a wellbore including dropping an object into the wellbore, landing the object on a frac assembly in the wellbore, pressuring the wellbore, reclosing a sleeve of the frac assembly.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 13, 2022
    Applicant: Baker Hughes Oilfield Operations LLC
    Inventors: Aaron Young, Vikram Unnikrishnan, Eugene Stolboushkin