David Tonner

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for drill cutting analysis
- Patent number 12,012,852
- Issue date Jun 18, 2024
- DIVERSIFIED WELL LOGGING, LLC
- David Tonner
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for drill cutting analysis
- Patent number 11,585,213
- Issue date Feb 21, 2023
- DIVERSIFIED WELL LOGGING, LLC
- David Tonner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drill cutting analysis
- Patent number 10,927,671
- Issue date Feb 23, 2021
- DIVERSIFIED WELL LOGGING, LLC
- David Tonner
- G01 - MEASURING TESTING
Information Patent Grant
Surface gas evaluation during controlled pressure drilling
- Patent number 8,899,348
- Issue date Dec 2, 2014
- Weatherford/Lamb, Inc.
- Anthony Bruce Henderson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Surface Gas Evaluation During Controlled Pressure Drilling
- Publication number 20110139464
- Publication date Jun 16, 2011
- Anthony Bruce Henderson
- E21 - EARTH DRILLING MINING