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Steve Ervin
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Sugar Land, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Downhole fluid communication apparatus and method
Patent number
8,561,686
Issue date
Oct 22, 2013
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Field joint for a downhole tool
Patent number
8,240,375
Issue date
Aug 14, 2012
Schlumberger Technology Corporation
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fluid communication apparatus and method
Patent number
8,220,536
Issue date
Jul 17, 2012
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
8,215,389
Issue date
Jul 10, 2012
Schlumberger Technology Corporation
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Grant
Field joint for a downhole tool
Patent number
8,042,611
Issue date
Oct 25, 2011
Schlumberger Technology Corporation
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
7,793,713
Issue date
Sep 14, 2010
Schlumberger Technology Corporation
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Grant
Field joint for a downhole tool
Patent number
7,726,396
Issue date
Jun 1, 2010
Schlumberger Technology Corporation
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool having an extendable component with a pivoting element
Patent number
7,690,423
Issue date
Apr 6, 2010
Schlumberger Technology Corporation
Christopher S. Del Campo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
7,584,786
Issue date
Sep 8, 2009
Schlumberger Technology Corporation
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
7,458,419
Issue date
Dec 2, 2008
Schlumberger Technology Corporation
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE FLUID COMMUNICATION APPARATUS AND METHOD
Publication number
20110284212
Publication date
Nov 24, 2011
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
FIELD JOINT FOR A DOWNHOLE TOOL
Publication number
20110272140
Publication date
Nov 10, 2011
SCHLUMBERGER TECHNOLOGY CORPORATION
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR FORMATION EVALUATION
Publication number
20100218943
Publication date
Sep 2, 2010
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Application
FIELD JOINT FOR A DOWNHOLE TOOL
Publication number
20100200212
Publication date
Aug 12, 2010
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FLUID COMMUNICATION APPARATUS AND METHOD
Publication number
20100155053
Publication date
Jun 24, 2010
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR FORMATION EVALUATION
Publication number
20090283266
Publication date
Nov 19, 2009
Raymond V. Nold, III
E21 - EARTH DRILLING MINING
Information
Patent Application
Field Joint for a Downhole Tool
Publication number
20090025926
Publication date
Jan 29, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Stephane Briquet
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Tool Having an Extendable Component with a Pivoting Element
Publication number
20080314587
Publication date
Dec 25, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
Christopher S. Del Campo
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Formation Evaluation
Publication number
20070209793
Publication date
Sep 13, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Raymond V. Nold
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Fluid Communication Apparatus and Method
Publication number
20070151727
Publication date
Jul 5, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for formation evaluation
Publication number
20060076132
Publication date
Apr 13, 2006
Raymond V. Nold
E21 - EARTH DRILLING MINING