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Valtair Marcos CRISTANTE
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Vitoria, BR
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Patents Grants
last 30 patents
Information
Patent Grant
Autonomous chemical treatment system and method for drilling and co...
Patent number
12,098,619
Issue date
Sep 24, 2024
Petroleo Brasileiro S.A. Petrobras
Fernando Antonio Moreira Da Silva
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for removing fouling using carbonic acid
Patent number
11,884,877
Issue date
Jan 30, 2024
Petroleo Brasileiro S.A. Petrobras
Fernando Antonio Moreira Da Silva
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR APPLYING THE SCALE INHIBITOR TO COMPLETION FLUIDS DURING...
Publication number
20240229605
Publication date
Jul 11, 2024
PETRÓLEO BRASILEIRO S.A. - PETROBRAS
MARIO GERMINO FERREIRA DA SILVA
E21 - EARTH DRILLING MINING
Information
Patent Application
USE OF MICROCAPSULES CONTAINING ACIDS IN ITS INTERIOR AND METHOD OF...
Publication number
20240218235
Publication date
Jul 4, 2024
Petroleo Brasileiro S.A. - PETROBRAS
Mario Germino Ferreira Da Silva
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR APPLYING THE SCALE INHIBITOR TO COMPLETION FLUIDS DURING...
Publication number
20240133268
Publication date
Apr 25, 2024
PETRÓLEO BRASILEIRO S.A. - PETROBRAS
MARIO GERMINO FERREIRA DA SILVA
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTONOMOUS CHEMICAL TREATMENT SYSTEM AND METHOD FOR DRILLING AND CO...
Publication number
20240018848
Publication date
Jan 18, 2024
Petroleo Brasileiro S.A. - PETROBRAS
FERNANDO ANTONIO MOREIRA DA SILVA
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF ACIDIFICATION, INHIBITION AND DAMAGE REMOVAL FOR WELLS
Publication number
20230193118
Publication date
Jun 22, 2023
Petroleo Brasileiro S.A. - PETROBRAS
Mario Germino Ferreira Da Silva
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR REMOVING FOULING USING CARBONIC ACID
Publication number
20230127921
Publication date
Apr 27, 2023
Petroleo Brasileiro S.A. - PETROBRAS
Fernando Antonio Moreira Da Silva
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD OF AUTOMATIC CHARACTERIZATION AND REMOVAL OF PAD ARTIFACTS I...
Publication number
20230131679
Publication date
Apr 27, 2023
Petroleo Brasileiro S.A. - PETROBRAS
Fernando Antonio Moreira Da Silva
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR REMOVING SCALE FROM A SUBSEA MANIFOLD
Publication number
20220341291
Publication date
Oct 27, 2022
PETROLEO BRASILEIRO S.A. - PETROBRAS
Mario Germino FERREIRA DA SILVA
B08 - CLEANING