Patents by Inventor Nei Mariano DA FONSECA JUNIOR

Nei Mariano DA FONSECA JUNIOR 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).

  • Device, unit and method for detecting annular flooding with gamma transmission in a flexible pipe
    Patent number: 11796487
    Abstract: The present invention is related to technologies used to inspect flexible undersea pipes, in particular to detect flooding of the annular space in said pipes. The present invention discloses a device for detecting annular flooding with gamma transmission in a flexible pipe, comprising a structure (07), in which said structure (07) contains in its interior, a first pressure vessel (10) containing an encapsulated radioactive source (03) in its interior, a second pressure vessel (11) containing radiation sensors (04) in its interior, and a third pressure vessel (12), containing electronic means for collecting and amplifying signals (05) in its interior, in which said radiation sensors (04) are connected to the electronic means (05) for collecting and amplifying signals using an internal cable (13).
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: October 24, 2023
    Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO—UFRJ
    Inventors: Carla Alves Marinho Ferreira, Carlos Eduardo Maia De Souza, Edgar Francisco Oliveira De Jesus, Joao Marcio De Castilho Santos, Nei Mariano Da Fonseca Junior, Ricardo Tadeu Lopes
  • SYSTEM AND METHOD FOR DETECTING FLOODING IN A FLEXIBLE PIPE FROM A FLEXIBLE PIPE CONNECTOR
    Publication number: 20220128512
    Abstract: This invention provides a system for detecting flooding in a flexible pipe from a connector of the flexible pipe, comprising: an ROV (3) comprising an arm element (18) designed to move an ultrasound sensor (13), until the ultrasound sensor (13) comes into contact with the connector (14) of the flexible pipe (17); and means for taking ultrasound measurements with respect to the state of the annulus of the flexible pipe (17) from a chamber of the connector of the flexible pipe (17) in contact with the annulus of the flexible pipe (17).
    Type: Application
    Filed: September 20, 2019
    Publication date: April 28, 2022
    Applicant: PETRÓLEO BRASILEIRO S.A. - PETROBRAS
    Inventors: Paulo Roberto SANTOS POLI, Nei Mariano DA FONSECA JUNIOR, Marco Antonio DA SILVA, João Marcio DE CASTILHO SANTOS, Gustavo PINTO PIRES, Carlos Eduardo MAIA DE SOUZA
  • DEVICE, UNIT AND METHOD FOR DETECTING ANNULAR FLOODING WITH GAMMA TRANSMISSION IN A FLEXIBLE PIPE
    Publication number: 20210247332
    Abstract: The present invention is related to technologies used to inspect flexible undersea pipes, in particular to detect flooding of the annular space in said pipes. The present invention discloses a device for detecting annular flooding with gamma transmission in a flexible pipe, comprising a structure (07), in which said structure (07) contains in its interior, a first pressure vessel (10) containing an encapsulated radioactive source (03) in its interior, a second pressure vessel (11) containing radiation sensors (04) in its interior, and a third pressure vessel (12), containing electronic means for collecting and amplifying signals (05) in its interior, in which said radiation sensors (04) are connected to the electronic means (05) for collecting and amplifying signals using an internal cable (13).
    Type: Application
    Filed: March 12, 2020
    Publication date: August 12, 2021
    Inventors: Carla ALVES MARINHO FERREIRA, Carlos Eduardo MAIA DE SOUZA, Edgar Francisco OLIVEIRA DE JESUS, Joao Marcio DE CASTILHO SANTOS, Nei Mariano DA FONSECA JUNIOR, Ricardo TADEU LOPES