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Gregory B. Chitwood
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Dallas, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
RE41118
Issue date
Feb 16, 2010
Halliburton Energy Services, Inc.
Michael M. Brezinski
166 - Wells
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
7,404,437
Issue date
Jul 29, 2008
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
7,363,986
Issue date
Apr 29, 2008
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
7,299,882
Issue date
Nov 27, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
7,264,047
Issue date
Sep 4, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
7,252,142
Issue date
Aug 7, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable sand control screen and method for use of same
Patent number
7,048,048
Issue date
May 23, 2006
Halliburton Energy Services, Inc.
Philip D. Nguyen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular isolators for expandable tubulars in wellbores
Patent number
6,854,522
Issue date
Feb 15, 2005
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Screen assemblies and methods of securing screens
Patent number
6,062,307
Issue date
May 16, 2000
Halliburton Energy Services, Inc.
Syed Hamid
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20080251250
Publication date
Oct 16, 2008
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20070267201
Publication date
Nov 22, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20070114018
Publication date
May 24, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20070114019
Publication date
May 24, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20070114016
Publication date
May 24, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Isolators for Expandable Tubulars in Wellbores
Publication number
20070114044
Publication date
May 24, 2007
Halliburton Energy Services, Inc.
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular isolators for expandable tubulars in wellbores
Publication number
20050092485
Publication date
May 5, 2005
Michael M. Brezinski
E21 - EARTH DRILLING MINING
Information
Patent Application
Expandable sand control screen and method for use of same
Publication number
20040261994
Publication date
Dec 30, 2004
Philip D. Nguyen
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular isolators for expandable tubulars in wellbores
Publication number
20040055758
Publication date
Mar 25, 2004
Michael M. Brezinski
E21 - EARTH DRILLING MINING