Title:
Means for orienting well tools in well bores
United States Patent 2567507
Inventors:
Eastman, Brown Guy
Application Number:
US12772949A
Publication Date:
09/11/1951
Filing Date:
11/16/1949
Assignee:
John, Eastman H.
Primary Class:
Other Classes:
166/117.5
International Classes:
E21B7/08; E21B47/024
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Other References:
None