The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Oct. 09, 2018
Applicant:
Petróleo Brasileiro S. A.-petrobras, Rio de Janeiro, BR;
Inventors:
Hugo Francisco Lisboa Santos, Rio de Janeiro, BR;
Ney Robinson Salvi Dos Reis, Rio de Janeiro, BR;
Igor Mendes Ursine Krettli, Rio de Janeiro, BR;
Hardy Leonardo Da Cunha Pereira Pinto, Rio de Janeiro, BR;
Lincoln Homero Thome Ferreira, Rio de Janeiro, BR;
Mauricio Galassi, Rio de Janeiro, BR;
Assignee:
PETRÓLEO BRASILEIRO S. A.—PETROBRAS, Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01); B08B 9/051 (2006.01); E21B 23/00 (2006.01); F16L 55/32 (2006.01); F16L 55/44 (2006.01); F16L 101/12 (2006.01); F16L 101/50 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1057 (2013.01); B08B 9/051 (2013.01); E21B 23/001 (2020.05); F16L 55/32 (2013.01); F16L 55/44 (2013.01); B08B 2209/04 (2013.01); F16L 2101/12 (2013.01); F16L 2101/50 (2013.01);
Abstract
The present invention relates to a device for centring and pulling a tool in a pipeline, the device comprising expanding arms, with each expanding arm comprises a wheel suitable for making contact with an inside wall of a pipeline, wherein each wheel comprises at least one magnetic element.