AV

Angelo Marinho Vianna

PS Petróleo Brasileiro S.A.—Petrobras: 2 patents #73 of 1,087Top 7%
Overall (All Time): #1,784,228 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12129423 Well conditioning method for wireline logging using dedicated aqueous based drilling fluid composition Walter Francisco Cardoso Junior, Fabio Fabri, Sebastiao De Andrade Loureiro, Kaio Augusto Gonzaga, Leonardo Silva De Almeida 2024-10-29
12123267 Method of application of low salinity viscous fluid in drilling saline formations Jorge Luiz De Queiros E Feijo, Leonardo Silva De Almeida, Walter Francisco Cardoso, Jr., Fabio Fabri 2024-10-22