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Patrick Laursen
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for riserless drilling
Patent number
7,150,324
Issue date
Dec 19, 2006
Halliburton Energy Services, Inc.
Patrick Emmett Laursen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for removing cuttings
Patent number
6,840,337
Issue date
Jan 11, 2005
Halliburton Energy Services, Inc.
James B. Terry
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for interconnecting continuous tubing strings having side...
Patent number
6,766,853
Issue date
Jul 27, 2004
Halliburton Energy Services, Inc.
Henry L. Restarick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus for interconnecting well tool assemblies in c...
Patent number
6,561,278
Issue date
May 13, 2003
Henry L. Restarick
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Methods and apparatus for interconnecting well tool assemblies in c...
Publication number
20040194950
Publication date
Oct 7, 2004
Henry L. Restarick
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for riserless drilling
Publication number
20040065475
Publication date
Apr 8, 2004
Halliburton Energy Services, Inc.
Patrick Emmett Laursen
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual-gradient drilling using nitrogen injection
Publication number
20040065440
Publication date
Apr 8, 2004
Halliburton Energy Services, Inc.
Leldon Mark Farabee
E21 - EARTH DRILLING MINING
Information
Patent Application
Well treatment apparatus and method
Publication number
20040040707
Publication date
Mar 4, 2004
Ronald G. Dusterhoft
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for removing cuttings
Publication number
20040040749
Publication date
Mar 4, 2004
Halliburton Energy Services, Inc.
James B. Terry
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and apparatus for interconnecting well tool assemblies in c...
Publication number
20030181085
Publication date
Sep 25, 2003
Henry L. Restarick
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and apparatus for interconnecting well tool assemblies in c...
Publication number
20020112861
Publication date
Aug 22, 2002
Henry L. Restarick
E21 - EARTH DRILLING MINING