Patents by Inventor Larry D. Chambers

Larry D. Chambers 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: 11293230
    Abstract: A rotary steerable tool for directional drilling includes a tool body including a flowbore for flowing pressurized fluid therethrough and a plurality of extendable members movably coupled to the tool body for selectively engaging a borehole wall, each extendable member including a piston for moving the extendable member to an extended position. The tool further includes a pressurized fluid supply flow path to provide fluid pressure from the flowbore to the pistons, and a plurality of linear actuators, each independently actuatable to control fluid pressure from the pressurized fluid supply flow path to a respective piston.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: April 5, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ravi P. Nanayakkara, Larry D. Chambers, Brian Doud, Neelesh V. Deolalikar, Michael D. Finke
  • Publication number: 20210062585
    Abstract: A rotary steerable tool for directional drilling includes a tool body including a flowbore for flowing pressurized fluid therethrough and a plurality of extendable members movably coupled to the tool body for selectively engaging a borehole wall, each extendable member including a piston for moving the extend-able member to an extended position. The tool further includes a pressurized fluid supply flow path to provide fluid pressure from the flowbore to the pistons, and a plurality of linear actuators, each independently actuatable to control fluid pressure from the pressurized fluid supply flow path to a respective piston.
    Type: Application
    Filed: February 19, 2018
    Publication date: March 4, 2021
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Ravi P. Nanayakkara, Larry D. Chambers, Brian Doud, Neelesh V. Deolalikar, Michael D. Finke