Reginald E. Francis

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Katy, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
One-trip cut-to-release apparatus and method
- Patent number 7,325,612
- Issue date Feb 5, 2008
- Schlumberger Technology Corporation
- James D. Hendrickson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Seal assembly
- Publication number 20070056725
- Publication date Mar 15, 2007
- Chad Lucas
- E21 - EARTH DRILLING MINING
Information Patent Application
One-Trip Cut-to-Release Apparatus and Method
- Publication number 20060243445
- Publication date Nov 2, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- James D. Hendrickson
- E21 - EARTH DRILLING MINING