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Christopher A. Pratt
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Cochrane, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Cavity well system
Patent number
7,571,771
Issue date
Aug 11, 2009
CDX Gas, LLC
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Lining well bore junctions
Patent number
7,373,984
Issue date
May 20, 2008
CDX Gas, LLC
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Adjustable window liner
Patent number
7,299,864
Issue date
Nov 27, 2007
CDX Gas, LLC
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for lining multilateral wells
Patent number
7,207,390
Issue date
Apr 24, 2007
CDX Gas, LLC
Christopher Arnold Pratt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole separator system and method
Patent number
7,174,959
Issue date
Feb 13, 2007
CDX Gas, LLC
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Installation and use of removable heaters in a hydrocarbon containi...
Patent number
7,156,176
Issue date
Jan 2, 2007
Shell Oil Company
Harold J. Vinegar
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Conductor-in-conduit heat sources for in situ thermal processing of...
Patent number
7,004,247
Issue date
Feb 28, 2006
Shell Oil Company
Anthony Thomas Cole
E21 - EARTH DRILLING MINING
Information
Patent Grant
Forming openings in a hydrocarbon containing formation using magnet...
Patent number
6,991,045
Issue date
Jan 31, 2006
Shell Oil Company
Harold J. Vinegar
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
Whipstock liner
Publication number
20070034384
Publication date
Feb 15, 2007
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Application
Cavity well system
Publication number
20060266521
Publication date
Nov 30, 2006
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Application
Well bore cleaning
Publication number
20060201714
Publication date
Sep 14, 2006
Douglas P. Seams
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling normally to sub-normally pressured formations
Publication number
20060201715
Publication date
Sep 14, 2006
Douglas P. Seams
E21 - EARTH DRILLING MINING
Information
Patent Application
Lining well bore junctions
Publication number
20060131032
Publication date
Jun 22, 2006
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Application
Adjustable window liner
Publication number
20060131026
Publication date
Jun 22, 2006
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole separator system and method
Publication number
20050241826
Publication date
Nov 3, 2005
CDX Gas, LLC
Christopher A. Pratt
E21 - EARTH DRILLING MINING
Information
Patent Application
Installation and use of removable heaters in a hydrocarbon containi...
Publication number
20040211569
Publication date
Oct 28, 2004
Harold J. Vinegar
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
Conductor-in-conduit heat sources for in situ thermal processing of...
Publication number
20040211557
Publication date
Oct 28, 2004
Anthony Thomas Cole
E21 - EARTH DRILLING MINING
Information
Patent Application
Forming openings in a hydrocarbon containing formation using magnet...
Publication number
20030173072
Publication date
Sep 18, 2003
Harold J. Vinegar
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL