Christopher R. Matthews-Ewald

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
One trip wellbore cleanup and setting a subterranean tool method
- Patent number 9,879,505
- Issue date Jan 30, 2018
- Baker Hughes, a GE company, LLC
- James L. Holloway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Borehole abandonment method using retrievable inflatable bridge plu...
- Patent number 9,458,693
- Issue date Oct 4, 2016
- Baker Hughes Incorporated
- Christopher R. Matthews-Ewald
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
One Trip Wellbore Cleanup and Setting a Subterranean Tool Method
- Publication number 20160305219
- Publication date Oct 20, 2016
- BAKER HUGHES INCORPORATED
- James L. Holloway
- E21 - EARTH DRILLING MINING