Patents by Inventor Bader M. Alahmad

Bader M. Alahmad 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).

  • Convertible bell nipple for wellbore operations
    Patent number: 11828128
    Abstract: A bell nipple includes a downhole end configured to sealingly couple to an uphole-end of a blow-out preventer. An uphole end of the bell nipple includes a first set of threads along an inner surface of the bell nipple. A thread saver is configured to be received by the uphole end. The thread saver is configured to protect the first set of threads from impact. An extension sub is configured to be received by the uphole end. The extension sub includes a downhole end with a second set of threads configured to engage with the first set of threads. An uphole end of the extension sub includes a third set of threads configured receive a well tool.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: November 28, 2023
    Assignee: Saudi Arabian Oil Company
    Inventors: Ahmed Al-Mousa, Bader M. Alahmad
  • CONVERTIBLE BELL NIPPLE FOR WELLBORE OPERATIONS
    Publication number: 20220213752
    Abstract: A bell nipple includes a downhole end configured to sealingly couple to an uphole-end of a blow-out preventer. An uphole end of the bell nipple includes a first set of threads along an inner surface of the bell nipple. A thread saver is configured to be received by the uphole end. The thread saver is configured to protect the first set of threads from impact. An extension sub is configured to be received by the uphole end. The extension sub includes a downhole end with a second set of threads configured to engage with the first set of threads. An uphole end of the extension sub includes a third set of threads configured receive a well tool.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 7, 2022
    Inventors: Ahmed Al-Mousa, Bader M. Alahmad