Patents by Inventor Abdullah Radi Ali Al-Kunin

Abdullah Radi Ali Al-Kunin 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).

  • Tubing head adapters with multiple back pressure valves and methods of isolating production tubing
    Patent number: 11473388
    Abstract: A wellhead may include a first back pressure valve, a second back pressure valve, and a tubing head adapter. The tubing head adapter may include a first and second back pressure valve set location that complements and engages an outer surface profile of the first and second back pressure valve, respectively. The first back pressure valve set location may be positioned below the second back pressure valve set location. A first back pressure valve receiving diameter of the first back pressure valve set location may be smaller than a second back pressure valve receiving diameter of the second back pressure valve set location. A method of isolating production tubing in fluid communication with a wellhead may include engaging a first and second back pressure valve at a first and second, respectively, back pressure valve set location of the tubing head adapter.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: October 18, 2022
    Assignee: Saudi Arabian Oil Company
    Inventor: Abdullah Radi Ali Al-Kunin
  • TUBING HEAD ADAPTERS WITH MULTIPLE BACK PRESSURE VALVES AND METHODS OF ISOLATING PRODUCTION TUBING
    Publication number: 20220290523
    Abstract: A wellhead may include a first back pressure valve, a second back pressure valve, and a tubing head adapter. The tubing head adapter may include a first and second back pressure valve set location that complements and engages an outer surface profile of the first and second back pressure valve, respectively. The first back pressure valve set location may be positioned below the second back pressure valve set location. A first back pressure valve receiving diameter of the first back pressure valve set location may be smaller than a second back pressure valve receiving diameter of the second back pressure valve set location. A method of isolating production tubing in fluid communication with a wellhead may include engaging a first and second back pressure valve at a first and second, respectively, back pressure valve set location of the tubing head adapter.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 15, 2022
    Applicant: Saudi Arabian Oil Company
    Inventor: Abdullah Radi Ali Al-Kunin