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Curtis J. Randall
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Missouri City, TX, US
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last 30 patents
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Patent Grant
Method of and apparatus for sonic logging while drilling a borehole...
Patent number
5,852,587
Issue date
Dec 22, 1998
Schlumberger Technology Corporation
Sergio Kostek
G01 - MEASURING TESTING
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Patent Grant
Method of sonic logging while drilling a borehole traversing an ear...
Patent number
5,796,677
Issue date
Aug 18, 1998
Schlumberger Technology Corporation
Sergio Kostek
G01 - MEASURING TESTING
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Patent Grant
Determining impedance of material behind a casing in a borehole
Patent number
4,928,269
Issue date
May 22, 1990
Schlumberger Technology Corporation
Christopher V. Kimball
G01 - MEASURING TESTING