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Russel C. Hertzog
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Ridgefield, CT, US
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last 30 patents
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Patent Grant
Logging apparatus and method for determining absolute elemental con...
Patent number
4,810,876
Issue date
Mar 7, 1989
Schlumberger Technology Corporation
Peter D. Wraight
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus for constituent analysis of earth formations
Patent number
4,394,574
Issue date
Jul 19, 1983
Schlumberger Technology Corporation
James A. Grau
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus for constituent analysis of earth formations
Patent number
4,317,993
Issue date
Mar 2, 1982
Schlumberger Technology Corporation
Russel C. Hertzog
G01 - MEASURING TESTING
Information
Patent Grant
Random pulsing of neutron source for inelastic neutron scattering g...
Patent number
4,284,886
Issue date
Aug 18, 1981
Schlumberger Technology Corporation
Russel C. Hertzog
G01 - MEASURING TESTING
Information
Patent Grant
Background subtraction system for pulsed neutron logging of earth b...
Patent number
4,232,220
Issue date
Nov 4, 1980
Schlumberger Technology Corporation
Russel C. Hertzog
G01 - MEASURING TESTING