Patents by Inventor Rodny Benjamin Masoud Zuleta

Rodny Benjamin Masoud Zuleta 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).

  • Patent number: 10316619
    Abstract: A stage cementing tool includes a top sub-assembly; a bottom sub-assembly; a housing that connects the top and bottom sub-assembly and includes a bore therethrough from the top sub-assembly to the bottom sub-assembly, the housing including a plurality of ports radially arranged in the housing, each port including a fluid path between an interior radial surface of the housing and an outer radial surface of the housing; at least one sleeve that rides on a portion of the housing; and a controller mounted in the housing and configured to control the sleeve to adjust, based on receipt of a command to the controller from the terranean surface, between a first position such that the sleeve mandrel decouples fluid communication from the bore to an exterior of the housing through the fluid paths and a second position such that the sleeve mandrel fluidly couples the bore with the exterior of the housing through the fluid paths.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: June 11, 2019
    Assignee: Saudi Arabian Oil Company
    Inventors: Victor Carlos Costa de Oliveira, Rodny Benjamin Masoud Zuleta, Khaled K. Abouelnaaj, Dean S. Porter
  • Publication number: 20180266208
    Abstract: A stage cementing tool includes a top sub-assembly; a bottom sub-assembly; a housing that connects the top and bottom sub-assembly and includes a bore therethrough from the top sub-assembly to the bottom sub-assembly, the housing including a plurality of ports radially arranged in the housing, each port including a fluid path between an interior radial surface of the housing and an outer radial surface of the housing; at least one sleeve that rides on a portion of the housing; and a controller mounted in the housing and configured to control the sleeve to adjust, based on receipt of a command to the controller from the terranean surface, between a first position such that the sleeve mandrel decouples fluid communication from the bore to an exterior of the housing through the fluid paths and a second position such that the sleeve mandrel fluidly couples the bore with the exterior of the housing through the fluid paths.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 20, 2018
    Inventors: Victor Carlos Costa de Oliveira, Rodny Benjamin Masoud Zuleta, Khaled K. Abouelnaaj, Dean S. Porter