Patents by Inventor Stuart A. Telfer

Stuart A. Telfer 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).

  • Methods and systems for drilling a multilateral well
    Patent number: 11352849
    Abstract: A deflector assembly for an object in a well. The deflector assembly may include a tubular housing and a core plug. The tubular housing may include a window through a wall of the tubular housing, a deflector below the window. The deflector may include a cavity extending through an axial length of the deflector and a deflector angled surface that is shaped to direct the object toward the window. The core plug may be removably coupleable within the cavity and include a receptacle and a second angled surface that is shaped to direct the object toward the window. The second angled surface is aligned with the deflector angled surface. The core plug may be coupleable with the deflector so as to rotate with the deflector.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 7, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Neil Hepburn, Stuart A. Telfer
  • METHODS AND SYSTEMS FOR DRILLING A MULTILATERAL WELLBACKGROUND
    Publication number: 20210332658
    Abstract: A deflector assembly for an object in a well. The deflector assembly may include a tubular housing and a core plug. The tubular housing may include a window through a wall of the tubular housing, a deflector below the window. The deflector may include a cavity extending through an axial length of the deflector and a deflector angled surface that is shaped to direct the object toward the window. The core plug may be removably coupleable within the cavity and include a receptacle and a second angled surface that is shaped to direct the object toward the window. The second angled surface is aligned with the deflector angled surface. The core plug may be coupleable with the deflector so as to rotate with the deflector.
    Type: Application
    Filed: August 7, 2018
    Publication date: October 28, 2021
    Applicant: HALLIBURTON ENERGCY SERVICES, INC.
    Inventors: Neil Hepburn, Stuart A. Telfer