Patents by Inventor Sergio Campelo Almeida

Sergio Campelo Almeida 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).

  • One trip lockdown sleeve and running tool
    Patent number: 11072984
    Abstract: A lockdown sleeve and a running tool that may be used to install the lockdown sleeve within a wellhead in a single trip are provided. The lockdown sleeve, may include two pieces that are rotatably coupled together via threads such that the axial length of the lockdown sleeve can be adjusted by rotation of one portion of the lockdown sleeve relative to the other. The running tool may lower the lockdown sleeve into the wellhead, actuate the lockdown sleeve to lock against an inner wall of the high-pressure wellhead housing and subsequently adjust the length of the lockdown sleeve so that the lockdown sleeve is fully landed on the casing hanger and applying any desired pre-load to the connection.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: July 27, 2021
    Assignee: Dril-Quip, Inc.
    Inventors: Rodrigo Albani Queiroz, Carlos Eduardo Martins Gaban, Sergio Campelo Almeida, Guilherme Pedro Eppinghaus Neto, Fife Ellis
  • ONE TRIP LOCKDOWN SLEEVE AND RUNNING TOOL
    Publication number: 20210010340
    Abstract: A lockdown sleeve and a running tool that may be used to install the lockdown sleeve within a wellhead in a single trip are provided. The lockdown sleeve, may include two pieces that are rotatably coupled together via threads such that the axial length of the lockdown sleeve can be adjusted by rotation of one portion of the lockdown sleeve relative to the other. The running tool may lower the lockdown sleeve into the wellhead, actuate the lockdown sleeve to lock against an inner wall of the high-pressure wellhead housing and subsequently adjust the length of the lockdown sleeve so that the lockdown sleeve is fully landed on the casing hanger and applying any desired pre-load to the connection.
    Type: Application
    Filed: January 7, 2020
    Publication date: January 14, 2021
    Inventors: Rodrigo Albani Queiroz, Carlos Eduardo Martins Gaban, Sergio Campelo Almeida, Guilherme Pedro Eppinghaus Neto, Fife Ellis