Patents by Inventor Mark Marcos Pina

Mark Marcos Pina 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).

  • Thrust washer and diffuser for use in a downhole electrical submersible pump
    Patent number: 10465695
    Abstract: In accordance with some embodiments of the present disclosure, a thrust washer and a diffuser for use in a downhole electrical submersible pump are disclosed. The pump may include a shaft and a motor communicatively coupled to the shaft. The motor may be operable to rotate the shaft. The pump may further include an impeller coupled to the shaft. The impeller may contain a balance ring, a balance hole, and a hub. The pump may further include a diffuser disposed adjacent to the impeller. The pump may further include a thrust washer coupled to the impeller. The thrust washer may be located between the balance ring and the hub without blocking the balance hole to allow fluid flow through the impeller and the diffuser. The pump may further include a discharge operable to direct fluid flow out of the multi-stage electrical submersible pump.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: November 5, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Mitul Patel, Dezhi Zheng, Mark Woodmansee, Mark Marcos Pina
  • THRUST WASHER AND DIFFUSER FOR USE IN A DOWNHOLE ELECTRICAL SUBMERSIBLE PUMP
    Publication number: 20170211582
    Abstract: In accordance with some embodiments of the present disclosure, a thrust washer and a diffuser for use in a downhole electrical submersible pump are disclosed. The pump may include a shaft and a motor communicatively coupled to the shaft. The motor may be operable to rotate the shaft. The pump may further include an impeller coupled to the shaft. The impeller may contain a balance ring, a balance hole, and a hub. The pump may further include a diffuser disposed adjacent to the impeller. The pump may further include a thrust washer coupled to the impeller. The thrust washer may be located between the balance ring and the hub without blocking the balance hole to allow fluid flow through the impeller and the diffuser. The pump may further include a discharge operable to direct fluid flow out of the multi-stage electrical submersible pump.
    Type: Application
    Filed: August 26, 2014
    Publication date: July 27, 2017
    Inventors: Mitul Patel, Dezhi Zheng, Mark Woodmansee, Mark Marcos Pina