Pipe rack for well drilling apparatus
United States Patent 3339747
US Patent References:
/1018729.html
- - 1018729

Off-shore drilling
- - 2606003

Platform for portable drilling masts
- - 2662797

Carton construction
- - 2701089

Drilling
- - 2999549


Inventors:
Sherman, George D.
Publication Date:
09/05/1967
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Assignee:
TEXACO INC
Primary Class:
211/70.400
Other Classes:
175/5
International Classes:
E21B19/14; E21B19/00
Foreign References:
GB228811A