John Wallis

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for core recovery
- Patent number 10,472,912
- Issue date Nov 12, 2019
- Schlumberger Technology Corporation
- Caleb James Haley
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for performing reservoir simulation using precond...
- Patent number 8,903,694
- Issue date Dec 2, 2014
- Chevron U.S.A. Inc.
- John R. Wallis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Constrained pressure residual preconditioner for efficient solution...
- Patent number 8,775,144
- Issue date Jul 8, 2014
- Chevron U.S.A. Inc.
- Choongyong Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus, method and system for improved reservoir simulation usin...
- Patent number 7,684,967
- Issue date Mar 23, 2010
- Schlumberger Technology Corporation
- John Wallis
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, method and system for improved reservoir simulation usin...
- Patent number 7,516,056
- Issue date Apr 7, 2009
- Schlumberger Technology Corporation
- John Wallis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Simulation method and apparatus
- Patent number 6,230,101
- Issue date May 8, 2001
- Schlumberger Technology Corporation
- John R. Wallis
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Core Recovery
- Publication number 20160053564
- Publication date Feb 25, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Caleb James Haley
- E21 - EARTH DRILLING MINING
Information Patent Application
System and Method For Performing Reservoir Simulation Using Precond...
- Publication number 20120221303
- Publication date Aug 30, 2012
- Schlumberger Technology Corporation
- John R. Wallis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Constrained Pressure Residual Preconditioner For Efficient Solution...
- Publication number 20120150506
- Publication date Jun 14, 2012
- Chevron U.S.A. Inc.
- Choongyong Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus, method and system for improved reservoir simulation usin...
- Publication number 20070010979
- Publication date Jan 11, 2007
- Schlumberger Technology Corporation
- John Wallis
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus, method and system for improved reservoir simulation usin...
- Publication number 20060265204
- Publication date Nov 23, 2006
- Schlumberger Technology Corporation
- John Wallis
- G06 - COMPUTING CALCULATING COUNTING