Title:
Well logging
United States Patent 2569390
US Patent References:
Electrical system for exploring drill holes
- - 2249769

Well measurement
- - 2370818


Inventors:
Sewell, Benjamin W.
Publication Date:
09/25/1951
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Assignee:
STANDARD OIL DEV CO
Primary Class:
175/50
Other Classes:
324/356, 340/854.900, 175/207, 73/152.030, 175/104, 242/398
International Classes:
E21B47/00; G01V3/34; G01V3/18