Gary Johnston

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Scotland, GB

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Patents Grantslast 30 patents

Information Patent Grant
Methods for expanding tubular strings and isolating subterranean zones
- Patent number 8,006,771
- Issue date Aug 30, 2011
- Weatherford/Lamb, Inc.
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rotary expansion
- Patent number 7,836,741
- Issue date Nov 23, 2010
- Weatherford/Lamb, Inc.
- Gary Johnston
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods for expanding tubular strings and isolating subterranean zones
- Patent number 7,543,637
- Issue date Jun 9, 2009
- Weatherford/Lamb, Inc.
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Expander tool for use in a wellbore
- Patent number 7,308,944
- Issue date Dec 18, 2007
- Weatherford/Lamb, Inc.
- Gary Johnston
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for expanding tubular strings and isolating subterranean zones
- Patent number 7,275,602
- Issue date Oct 2, 2007
- Weatherford/Lamb, Inc.
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods and apparatus for expanding tubulars
- Patent number 7,017,669
- Issue date Mar 28, 2006
- Weatherford/Lamb, Inc.
- Gary Johnston
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR EXPANDING TUBULAR STRINGS AND ISOLATING SUBTERRANEAN ZONES
- Publication number 20090223680
- Publication date Sep 10, 2009
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHODS FOR EXPANDING TUBULAR STRINGS AND ISOLATING SUBTERRANEAN ZONES
- Publication number 20080017387
- Publication date Jan 24, 2008
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Rotary expansion
- Publication number 20070084599
- Publication date Apr 19, 2007
- Gary Johnston
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Methods and apparatus for expanding tubular strings and isolating s...
- Publication number 20060065408
- Publication date Mar 30, 2006
- Weatherford/Lamb, Inc.
- Annabel Green
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Expander tool for use in a wellbore
- Publication number 20050072569
- Publication date Apr 7, 2005
- Gary Johnston
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods and apparatus for expanding tubulars
- Publication number 20030205386
- Publication date Nov 6, 2003
- Gary Johnston
- E21 - EARTH DRILLING MINING