David Ralph Stewart

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Richmond, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring system for well casing
- Patent number 9,574,434
- Issue date Feb 21, 2017
- Shell Oil Company
- Michele Scott Albrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Monitoring system for well casing
- Patent number 8,973,434
- Issue date Mar 10, 2015
- Shell Oil Company
- Michele Scott Albrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Use of fiber optics to monitor cement quality
- Patent number 8,776,609
- Issue date Jul 15, 2014
- Shell Oil Company
- Dennis Edward Dria
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for monitoring compaction
- Patent number 6,854,327
- Issue date Feb 15, 2005
- Shell Oil Company
- Frederick Henry Kreisler Rambow
- G01 - MEASURING TESTING
Information Patent Grant
Increased throughput in the manufacture of block copolymers by redu...
- Patent number 6,187,873
- Issue date Feb 13, 2001
- Shell Oil Company
- Dale Lee Handlin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
MONITORING SYSTEM FOR WELL CASING
- Publication number 20150176391
- Publication date Jun 25, 2015
- Shell Oil Company
- Michele Scott ALBRECHT
- E21 - EARTH DRILLING MINING
Information Patent Application
USE OF FIBER OPTICS TO MONITOR CEMENT QUALITY
- Publication number 20120132007
- Publication date May 31, 2012
- Dennis Edward Dria
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEMS AND METHODS FOR MONITORING CORROSION IN A WELL
- Publication number 20120136577
- Publication date May 31, 2012
- Dennis Edward Dria
- E21 - EARTH DRILLING MINING
Information Patent Application
MONITORING SYSTEM FOR WELL CASING
- Publication number 20110185807
- Publication date Aug 4, 2011
- Shell Internationale Research Maatschappij B.V.
- Michele Scott Albrecht
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for monitoring compaction
- Publication number 20040083808
- Publication date May 6, 2004
- Frederick Henry Kreisler Rambow
- G01 - MEASURING TESTING