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Nicholas Ellson
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Methods and apparatus to perform pressure testing of geological for...
Patent number
8,015,869
Issue date
Sep 13, 2011
Schlumberger Technology Corporation
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus to apply axial force to a packer in a downhol...
Patent number
7,762,325
Issue date
Jul 27, 2010
Schlumberger Technology Corporation
Nicholas Ellson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drillstring packer assembly
Patent number
7,647,980
Issue date
Jan 19, 2010
Schlumberger Technology Corporation
Pierre-Yves Corre
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
METHOD AND SYSTEM FOR USING WELLBORE INSTRUMENTS WITH A WIRED PIPE...
Publication number
20100071910
Publication date
Mar 25, 2010
NICHOLAS ELLSON
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS AND APPARATUS TO PERFORM PRESSURE TESTING OF GEOLOGICAL FOR...
Publication number
20100050762
Publication date
Mar 4, 2010
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and Apparatus to Apply Axial Force to a Packer in a Downho...
Publication number
20090025983
Publication date
Jan 29, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Nicholas Ellson
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLSTRING PACKER ASSEMBLY
Publication number
20080053652
Publication date
Mar 6, 2008
Pierre-Yves Corre
E21 - EARTH DRILLING MINING