Inventor · disambiguated record

M. Marc Sengul

Also filed as: SENGUL M MARC

2 granted patents·33 citations·filing 1986–1994

62Inventor score

Technology areasE21B

Files withMARATHON OIL CO2

Top patents by PatentIndex Score

2 records

0144US5476145ASelective placement of a permeability-reducing material in a subterranean interval to inhibit vertical flow through the intervalMARATHON OIL CO·Filed 1994·Granted Dec 19, 1995·20 cites·20 claims
0234US4694904ACyclic flooding of a naturally-fractured formationMARATHON OIL CO·Filed 1986·Granted Sep 22, 1987·13 cites·15 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →