Portable apparatus for drilling slim hole wells
United States Patent 3280920
US Patent References:
Drilling apparatus
- - 1829304
Tractor mounted rock drills
- - 2838282
Well drilling machine
- - 2956782
Fluid operable power device for well operations
- - 2998084
Racking mechanism for earth boring equipment
- - 3177944
Drilling apparatus
- - 1829304
Tractor mounted rock drills
- - 2838282
Well drilling machine
- - 2956782
Fluid operable power device for well operations
- - 2998084
Racking mechanism for earth boring equipment
- - 3177944
Inventors:
Paul, Scott
Publication Date:
10/25/1966
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Export Citation:
Assignee:
HYCALOG INC
Primary Class:
Other Classes:
173/164, 175/85, 414/22.550
International Classes:
E21B15/00; E21B19/15; E21B19/00
US Patent References: