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Gero D. Testa
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Duncan, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Continuous pumping operations using decoupled pump maintenance
Patent number
12,055,025
Issue date
Aug 6, 2024
Halliburton Energy Services, Inc.
Brad Robert Bull
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
CONTINUOUS PUMPING OPERATIONS USING CENTRAL PUMP AREA
Publication number
20230279759
Publication date
Sep 7, 2023
Halliburton Energy Services, Inc.
Brad Robert Bull
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS PUMPING OPERATIONS USING DECOUPLED PUMP MAINTENANCE
Publication number
20230279758
Publication date
Sep 7, 2023
Halliburton Energy Services, Inc.
Brad Robert Bull
E21 - EARTH DRILLING MINING
Information
Patent Application
Centralizing apparatus
Publication number
20080196883
Publication date
Aug 21, 2008
Gero D. Testa
E21 - EARTH DRILLING MINING
Information
Patent Application
Wellhead isolation mandrel with centralizing device
Publication number
20080110639
Publication date
May 15, 2008
Phillip M. Starr
E21 - EARTH DRILLING MINING