Patents by Inventor Cash Elston

Cash Elston 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).

  • Safety valve with electrical actuators
    Patent number: 11905790
    Abstract: A downhole valve assembly includes a safety valve and an actuator that opens and/or closes the valve. The actuator can be an electro-hydraulic actuator (EHA), an electro mechanical actuator (EMA), or an electro hydraulic pump (EHP). The downhole safety valve can also include an electric magnet.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: February 20, 2024
    Assignee: Schlumberger Technology Corporation
    Inventors: Christian Chouzenoux, Cash Elston, Olivier Loeuillet, Francesco Vaghi, Oguzhan Guven
  • FLOW CONTROL VALVE WITH EROSION PROTECTION
    Publication number: 20230036187
    Abstract: The disclosure herein generally relates to flow control valves having mechanisms to prevent, inhibit, reduce the likelihood or extent of, and/or protect against erosion of components of the flow control valve, for example, due to the effects of leakage flow.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 2, 2023
    Inventors: Brad Swenson, David Clayton, David Gomez Ramirez, Oguzhan Guven, Cash Elston, Ivan Caliu Candiani, Bernardo Machado
  • SAFETY VALVE WITH ELECTRICAL ACTUATORS
    Publication number: 20230018892
    Abstract: A downhole valve assembly includes a safety valve and an actuator that opens and/or closes the valve. The actuator can be an electro-hydraulic actuator (EHA), an electro mechanical actuator (EMA), or an electro hydraulic pump (EHP). The downhole safety valve can also include an electric magnet.
    Type: Application
    Filed: February 24, 2021
    Publication date: January 19, 2023
    Inventors: Christian Chouzenoux, Cash Elston, Olivier Loeuillet, Francesco Vaghi, Oguzhan Guven