Patents by Inventor Barbara Jan BAILEY

Barbara Jan BAILEY 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).

  • Downhole valve and method of use
    Patent number: 11274521
    Abstract: In an embodiment is provided a valve that includes a housing, a mandrel connected to the housing and defining an interior volume therebetween, a sleeve having a first end and a second end, the sleeve movably disposed in the interior volume, a chamber defined in the interior volume, the chamber having a first end and a second end, an inlet of a metering device coupled to the second end of the chamber, and an outlet of the metering device adjacent to the first end of the sleeve. In another embodiment is provided a method of using a valve that includes introducing pressure to a central bore of the valve such that a sleeve of the valve moves from a closed, locked position to a test position. The closed, locked position and the test position do not permit fluid communication between a central bore and an exterior of the valve.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: March 15, 2022
    Assignee: COLT PETROLEUM TECHNOLOGY, INC.
    Inventors: Henry Joe Jordan, Jr., Barbara Jan Bailey, Charles David Wintill
  • DOWNHOLE VALVE AND METHOD OF USE
    Publication number: 20220042395
    Abstract: In an embodiment is provided a valve that includes a housing, a mandrel connected to the housing and defining an interior volume therebetween, a sleeve having a first end and a second end, the sleeve movably disposed in the interior volume, a chamber defined in the interior volume, the chamber having a first end and a second end, an inlet of a metering device coupled to the second end of the chamber, and an outlet of the metering device adjacent to the first end of the sleeve. In another embodiment is provided a method of using a valve that includes introducing pressure to a central bore of the valve such that a sleeve of the valve moves from a closed, locked position to a test position. The closed, locked position and the test position do not permit fluid communication between a central bore and an exterior of the valve.
    Type: Application
    Filed: August 5, 2020
    Publication date: February 10, 2022
    Inventors: Henry Joe JORDAN, JR., Barbara Jan BAILEY, Charles David WINTILL