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John D. Sherwood
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Cambridge, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Determination of density for metering a fluid flow
Patent number
7,987,733
Issue date
Aug 2, 2011
Schlumberger Technology Corporation
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Grant
System and method for operational management of a guarded probe for...
Patent number
7,857,049
Issue date
Dec 28, 2010
Schlumberger Technology Corporation
John D. Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation fluid sampling apparatus and methods
Patent number
7,841,406
Issue date
Nov 30, 2010
Schlumberger Technology Corporation
Alexander F. Zazovsky
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for real-time management of formation fluid sampl...
Patent number
7,757,760
Issue date
Jul 20, 2010
Schlumberger Technology Corporation
John D. Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation fluid sampling apparatus and methods
Patent number
7,654,321
Issue date
Feb 2, 2010
Schlumberger Technology Corporation
Alexander F. Zazovsky
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for investigating a gas-liquid mixture
Patent number
7,650,799
Issue date
Jan 26, 2010
Schlumberger Technology Corporation
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Grant
Determination of density for metering a fluid flow
Patent number
7,562,587
Issue date
Jul 21, 2009
Schlumberger Technology Corporation
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for lifting liquids from gas wells
Patent number
7,428,929
Issue date
Sep 30, 2008
Schlumberger Technology Corporation
John Sherwood
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method and apparatus for lifting liquids from gas wells
Patent number
7,210,532
Issue date
May 1, 2007
Schlumberger Technology Corporation
John Sherwood
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Fluid sampling methods and apparatus for use in boreholes
Patent number
6,719,049
Issue date
Apr 13, 2004
Schlumberger Technology Corporation
John D. Sherwood
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FORMATION FLUID SAMPLING APPARATUS AND METHODS
Publication number
20100018704
Publication date
Jan 28, 2010
ALEXANDER F. ZAZOVSKY
E21 - EARTH DRILLING MINING
Information
Patent Application
DETERMINATION OF DENSITY FOR METERING A FLUID FLOW
Publication number
20090234593
Publication date
Sep 17, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Application
DETERMINATION OF DENSITY FOR METERING A FLUID FLOW
Publication number
20090114038
Publication date
May 7, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR INVESTIGATING A GAS-LIQUID MIXTURE
Publication number
20080223146
Publication date
Sep 18, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
Ian Atkinson
G01 - MEASURING TESTING
Information
Patent Application
Formation Fluid Sampling Apparatus and Methods
Publication number
20080156487
Publication date
Jul 3, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
Alexander F. Zazovsky
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR REAL-TIME MANAGEMENT OF FORMATION FLUID SAMPL...
Publication number
20080125973
Publication date
May 29, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
John D. Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR OPERATIONAL MANAGEMENT OF A GUARDED PROBE FOR...
Publication number
20080073078
Publication date
Mar 27, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
John D. Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR LIFTING LIQUIDS FROM GAS WELLS
Publication number
20070175641
Publication date
Aug 2, 2007
John Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for lifting liquids from gas wells
Publication number
20050155769
Publication date
Jul 21, 2005
SCHLUMBERGER TECHNOLOGY CORPORATION
John Sherwood
E21 - EARTH DRILLING MINING
Information
Patent Application
Fluid sampling methods and apparatus for use in boreholes
Publication number
20030217845
Publication date
Nov 27, 2003
SCHLUMBERGER TECHNOLOGY CORPORATION
John D. Sherwood
E21 - EARTH DRILLING MINING