Patents by Inventor Hassan Wafi Otaif

Hassan Wafi Otaif 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).

  • INVERTED TAPERED OVERSHOT
    Publication number: 20230272686
    Abstract: An overshot for removing a fish from a wellbore includes a first catch that attaches to a fishing assembly and one or more additional catches that connect, in sequence, to the first catch. Each catch of the one or more additional catches includes a different internal diameter from other catches of the one or more additional catches. The one or more additional catches are connected, in order, according to their respective internal diameters. The overshot attaches to a top of the fish.
    Type: Application
    Filed: February 28, 2022
    Publication date: August 31, 2023
    Applicant: SAUDI ARABIAN OIL COMPANY
    Inventors: Hassan Wafi Otaif, Ibrahim A. Ghamdi
  • Inverted tapered overshot
    Patent number: 11725470
    Abstract: An overshot for removing a fish from a wellbore includes a first catch that attaches to a fishing assembly and one or more additional catches that connect, in sequence, to the first catch. Each catch of the one or more additional catches includes a different internal diameter from other catches of the one or more additional catches. The one or more additional catches are connected, in order, according to their respective internal diameters. The overshot attaches to a top of the fish.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: August 15, 2023
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Hassan Wafi Otaif, Ibrahim A. Ghamdi