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Joao Marcio DE CASTILHO SANTOS
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Rio de Janeiro, BR
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Patents Grants
last 30 patents
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Patent Grant
System and method for detecting watertightness in the annular space...
Patent number
11,940,352
Issue date
Mar 26, 2024
Petroleo Brasileiro S.A. Petrobras
Paulo Roberto Santos Poli
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
SYSTEM AND METHOD FOR DETECTING FLOODING IN A FLEXIBLE PIPE FROM A...
Publication number
20220128512
Publication date
Apr 28, 2022
Petroleo Brasileiro S.A. - PETROBRAS
Paulo Roberto SANTOS POLI
G01 - MEASURING TESTING
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Patent Application
SYSTEM AND METHOD FOR DETECTING WATERTIGHTNESS IN THE ANNULAR SPACE...
Publication number
20220034747
Publication date
Feb 3, 2022
Petroleo Brasileiro S.A. - PETROBRAS
Paulo Roberto SANTOS POLI
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE, UNIT AND METHOD FOR DETECTING ANNULAR FLOODING WITH GAMMA T...
Publication number
20210247332
Publication date
Aug 12, 2021
PETROLEO BRASILEIRO S.A. - PETROBRAS
Carla ALVES MARINHO FERREIRA
G01 - MEASURING TESTING