Title:
Well logging
United States Patent 2389241

Inventors:
Daniel, Silverman
Publication Date:
11/20/1945
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Assignee:
STANOLIND OIL & GAS CO
Primary Class:
340/854.500
Other Classes:
340/854.600, 340/854.300, 324/347, 324/369
International Classes:
G01V3/24; G01V3/18