Inventor · disambiguated record
Warren W. Walhaug
Also filed as: WALHAUG WARREN W
3 granted patents·73 citations·filing 1984–1985
74Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0161US4625803AMethod and apparatus for injecting well treating liquid into the bottom of a reservoir intervalSHELL WESTERN E & P INC·Filed 1985·Granted Dec 2, 1986·33 cites·10 claims
- 0252US4615388AMethod of producing supercritical carbon dioxide from wellsSHELL WESTERN E & P INC·Filed 1984·Granted Oct 7, 1986·21 cites·5 claims
- 0351US4615389AMethod of producing supercritical carbon dioxide from wellsSHELL OIL CO·Filed 1984·Granted Oct 7, 1986·19 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →