Patents by Inventor Nasser Al Hamraa

Nasser Al Hamraa 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).

  • Reinforcing wellbores prior to casing and cementing
    Patent number: 11421507
    Abstract: A coating reservoir defining a chamber operable retain to a liquid coating. A retractable application assembly includes a nozzle fluidically coupled to the coating reservoir. The nozzle is configured to dispense the liquid coating onto a wall of a wellbore. A spreader is proximal to the nozzle. The spreader is configured to regulate a thickness of the liquid coating dispensed by the nozzle. A flexible coating housing is positioned between the coating reservoir and the nozzle. The coating housing is configured to seal against a wall of the wellbore and seal the nozzle, spreader, and dispensed liquid coating from contamination within the wellbore.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: August 23, 2022
    Assignee: Saudi Arabian Oil Company
    Inventors: Mohammed S. Subahi, Nasser Al Hamraa, Rawan Abdullah Alzowaid, Ahmed Hashim Daghistani, Mohammed Abdulaziz Alshobaian, Moaath Awadh AlQahtani
  • REINFORCING WELLBORES PRIOR TO CASING AND CEMENTING
    Publication number: 20220120157
    Abstract: A coating reservoir defining a chamber operable retain to a liquid coating. A retractable application assembly includes a nozzle fluidically coupled to the coating reservoir. The nozzle is configured to dispense the liquid coating onto a wall of a wellbore. A spreader is proximal to the nozzle. The spreader is configured to regulate a thickness of the liquid coating dispensed by the nozzle. A flexible coating housing is positioned between the coating reservoir and the nozzle. The coating housing is configured to seal against a wall of the wellbore and seal the nozzle, spreader, and dispensed liquid coating from contamination within the wellbore.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 21, 2022
    Inventors: Mohammed S. Subahi, Nasser Al Hamraa, Rawan Abdullah Alzowaid, Ahmed Hashim Daghistani, Mohammed Abdulaziz Alshobaian, Moaath Awadh AlQahtani