William C. Richardson

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Bellaire, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Tracers for heavy oil
- Patent number 6,331,436
- Issue date Dec 18, 2001
- Texaco, Inc.
- William C. Richardson
- G01 - MEASURING TESTING
Information Patent Grant
Chemically assisted thermal flood process
- Patent number 6,305,472
- Issue date Oct 23, 2001
- Texaco Inc.
- William C. Richardson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydrocarbon-assisted thermal recovery method
- Patent number 5,685,371
- Issue date Nov 11, 1997
- Texaco Inc.
- William Charles Richardson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for decreasing permeability around a wellbore
- Patent number 4,721,161
- Issue date Jan 26, 1988
- Texaco Inc.
- William C. Richardson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oxidized alkali lignins and their use in enhanced oil recovery
- Patent number 4,611,659
- Issue date Sep 16, 1986
- Getty Oil Company
- Francis E. DeBons
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CHEMICALLY ASSISTED THERMAL FLOOD PROCESS
- Publication number 20010018975
- Publication date Sep 6, 2001
- WILLIAM C RICHARDSON
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...