Andrew Duggan

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Expandable annular seal tool and system
- Patent number 11,891,875
- Issue date Feb 6, 2024
- BAKER HUGHES OILFIELD OPERATIONS
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Thermal activation of liner hanger for elastomer-less completion
- Patent number 11,326,411
- Issue date May 10, 2022
- Baker Hughes Oilfield Operations LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Power generation using pressure differential between a tubular and...
- Patent number 11,280,162
- Issue date Mar 22, 2022
- Baker Hughes, a GE company, LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole power generation using pressure differential
- Patent number 11,142,999
- Issue date Oct 12, 2021
- Baker Hughes Oilfield Operations LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ENERGY HARVESTER, METHOD AND SYSTEM
- Publication number 20240376803
- Publication date Nov 14, 2024
- Baker Hughes Oilfield Operations LLC
- Christopher Hern
- E21 - EARTH DRILLING MINING
Information Patent Application
EXPANDABLE ANNULAR SEAL TOOL AND SYSTEM
- Publication number 20240003216
- Publication date Jan 4, 2024
- Baker Hughes Oilfield Operations LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Application
THERMAL ACTIVATION OF LINER HANGER FOR ELASTOMER-LESS COMPLETION
- Publication number 20200399991
- Publication date Dec 24, 2020
- Baker Hughes Oilfield Operations LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE POWER GENERATION USING PRESSURE DIFFERENTIAL
- Publication number 20200347702
- Publication date Nov 5, 2020
- Baker Hughes Oilfield Operations LLC
- Andrew Duggan
- E21 - EARTH DRILLING MINING
Information Patent Application
POWER GENERATION USING PRESSURE DIFFERENTIAL BETWEEN A TUBULAR AND...
- Publication number 20200208498
- Publication date Jul 2, 2020
- BAKER HUGHES, A GE COMPANY, LLC
- Andrew Duggan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER