Inventor · disambiguated record

Walter A. Nagel

Also filed as: NAGEL WALTER A

1 granted patent·47 citations·filing 1983–1983

48Inventor score

Technology areasE21B

Files withMARATHON OIL CO1

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1 record

0173US4420975ASystem and method for determining the relative permeability of an earth formation surrounding a wellboreMARATHON OIL CO·Filed 1983·Granted Dec 20, 1983·47 cites·13 claims

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