David R. Thigpen

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Iron hydroxide removal method
- Patent number 5,223,153
- Issue date Jun 29, 1993
- Shell Oil Company
- Jimmie B. Lawson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Preformed surfactant-optimized aqueous alkaline flood
- Patent number 5,068,043
- Issue date Nov 26, 1991
- Shell Oil Company
- David R. Thigpen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparing an aqueous alkaline solution for recovery of oil from a r...
- Patent number H475
- Issue date Jun 7, 1988
- Shell Oil Company
- Jimmie B. Lawson
- 166 - Wells
Information Patent Grant
Staged preformed-surfactant-optimized aqueous alkaline flood
- Patent number 4,502,541
- Issue date Mar 5, 1985
- Shell Oil Company
- Jimmie B. Lawson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recovering oil by injecting aqueous alkali, cosurfactant and gas
- Patent number 4,493,371
- Issue date Jan 15, 1985
- Shell Oil Company
- Joseph Reisberg
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for stimulating a well with a saline surfactant sulfate, al...
- Patent number 4,279,305
- Issue date Jul 21, 1981
- Shell Oil Company
- Randolph H. Knapp
- E21 - EARTH DRILLING MINING