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Patents Grantslast 30 patents

Information Patent Grant
In-tubing wellbore sidetracking operations
- Patent number 6,374,918
- Issue date Apr 23, 2002
- Weatherford/Lamb, Inc.
- John D. Roberts
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
IN-TUBING WELLBORE SIDETRACKING OPERATIONS
- Publication number 20010047872
- Publication date Dec 6, 2001
- JOHN D. ROBERTS
- E21 - EARTH DRILLING MINING