Patents by Inventor Thurman H. Carter

Thurman H. Carter 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).

  • Apparatus to actuate a downhole tool
    Patent number: 6550551
    Abstract: The invention provides an apparatus for actuating a downhole tool by utilizing a pressure differential created by fluid flowing through a conduit. The conduit is in communication with a pressure sensing line that is selectively exposable to areas of the conduit having different pressures. By exposing the pressure sensing line to a portion of the conduit having a predetermined pressure therein, the pressure sensing line cause actuation of a hydraulic tool therebelow.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: April 22, 2003
    Assignee: Weatherford/Lamb, Inc.
    Inventors: David J. Brunnert, Thurman H. Carter, David M. Haugen, Gary D. Ingram, David W. Teale
  • Apparatus to actuate downhole tool
    Publication number: 20020060096
    Abstract: The invention provides an apparatus for actuating a downhole tool by utilizing a pressure differential created by fluid flowing through a conduit. The conduit is in communication with a pressure sensing line that is selectively exposable to areas of the conduit having different pressures. By exposing the pressure sensing line to a portion of the conduit having a predetermined pressure therein, the pressure sensing line causes actuation of a hydraulic tool therebelow.
    Type: Application
    Filed: January 8, 2002
    Publication date: May 23, 2002
    Applicant: WEATHERFORD/LAMB, INC.
    Inventors: David J. Brunnert, Thurman H. Carter, David M. Haugen, Gary D. Ingram, David W. Teale