Inventor · disambiguated record
David R. Thigpen
Also filed as: THIGPEN DAVID R
5 granted patents·135 citations·filing 1980–1992
82Inventor score
Files withSHELL OIL CO5
Top patents by PatentIndex Score
5 records- 0192US5068043APreformed surfactant-optimized aqueous alkaline floodSHELL OIL CO·Filed 1989·Granted Nov 26, 1991·82 cites·32 claims
- 0265US4502541AStaged preformed-surfactant-optimized aqueous alkaline floodSHELL OIL CO·Filed 1983·Granted Mar 5, 1985·21 cites·10 claims
- 0361US4493371ARecovering oil by injecting aqueous alkali, cosurfactant and gasSHELL OIL CO·Filed 1983·Granted Jan 15, 1985·19 cites·6 claims
- 0439US4279305AProcess for stimulating a well with a saline surfactant sulfate, alkanol and acid systemSHELL OIL CO·Filed 1980·Granted Jul 21, 1981·7 cites·8 claims
- 0534US5223153AIron hydroxide removal methodSHELL OIL CO·Filed 1992·Granted Jun 29, 1993·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →