Inventor · disambiguated record
Donald L. Luffel
Also filed as: LUFFEL DONALD L
2 granted patents·109 citations·filing 1988–1996
68Inventor score
Technology areasE21B
Files withRESTECH INC2
Top patents by PatentIndex Score
2 records- 0167US4903207AMethod for determining reservoir bulk volume of hydrocarbons from reservoir porosity and distance to oil-water contact levelRESTECH INC·Filed 1988·Granted Feb 20, 1990·46 cites·12 claims
- 0266US5621169AMethod for determining hydrocarbon/water contact level for oil and gas wellsRESTECH INC·Filed 1996·Granted Apr 15, 1997·63 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →