Charles Henry Duck JR.

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Cottonport, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic latching device for downhole wellbore intercept operations
- Patent number 9,540,880
- Issue date Jan 10, 2017
- Schlumberger Technology Corporation
- Graham Arthur McElhinney
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Latching Device For Downhole Wellbore Intercept Operations
- Publication number 20150034312
- Publication date Feb 5, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Graham Arthur McElhinney
- E21 - EARTH DRILLING MINING