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John Francis Brown
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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
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
Method and apparatus for balanced pressure sampling
Patent number
7,913,554
Issue date
Mar 29, 2011
Schlumberger Technology Corporation
Simon H. Bittleston
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus for the measurement of hydrogen sulphide and...
Patent number
7,758,734
Issue date
Jul 20, 2010
Schlumberger Technology Corporation
Li Jiang
G01 - MEASURING TESTING
Information
Patent Grant
Wellbore formation evaluation system and method
Patent number
7,568,521
Issue date
Aug 4, 2009
Schlumberger Technology Corporation
Jonathan Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for balanced pressure sampling
Patent number
7,565,835
Issue date
Jul 28, 2009
Schlumberger Technology Corporation
Simon H. Bittleston
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid analysis method and apparatus
Patent number
7,458,252
Issue date
Dec 2, 2008
Schlumberger Technology Corporation
Darcy Freemark
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore formation evaluation system and method
Patent number
7,428,925
Issue date
Sep 30, 2008
Schlumberger Technology Corporation
Jonathan Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
7,178,591
Issue date
Feb 20, 2007
Schlumberger Technology Corporation
Christopher S. Del Campo
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR IDENTIFYING OPTIMAL ALLOCATIONS OF PRODUCTION...
Publication number
20160063411
Publication date
Mar 3, 2016
Venkatesh Coimbatore Ravichandran
G06 - COMPUTING CALCULATING COUNTING
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
DOWNHOLE FLUID COMMUNICATION APPARATUS AND METHOD
Publication number
20100155053
Publication date
Jun 24, 2010
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR BALANCED PRESSURE SAMPLING
Publication number
20090250212
Publication date
Oct 8, 2009
Simon H. Bittleston
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE FORMATION EVALUATION SYSTEM AND METHOD
Publication number
20080041593
Publication date
Feb 21, 2008
Jonathan Brown
E21 - EARTH DRILLING MINING
Information
Patent Application
System and Method for Obtaining Well Fluid Samples
Publication number
20070236215
Publication date
Oct 11, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Martin Innes
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
Wellbore formation evaluation system and method
Publication number
20070114021
Publication date
May 24, 2007
Jonathan Brown
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and apparatus for the measurement of hydrogen sulphide and...
Publication number
20060243603
Publication date
Nov 2, 2006
Li Jiang
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID ANALYSIS METHOD AND APPARATUS
Publication number
20060243033
Publication date
Nov 2, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Darcy Freemark
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for balanced pressure sampling
Publication number
20060101905
Publication date
May 18, 2006
Simon H. Bittleston
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR FORMATION EVALUATION
Publication number
20060042793
Publication date
Mar 2, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Christopher S. Del Campo
E21 - EARTH DRILLING MINING