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Drilling Apparatus
Patent for a drilling apparatus for wells. This drill is designed to be applied to a rotary and used with a pipe tong to screw and unscrew pipe joints.
Date:
October 25, 1921
Creator:
Reeves, George G.
System:
The Portal to Texas History
Fishing-Tool.
Patent for improvements on the Fishing-Tool, including illustrations. The tool was improved in order to make the boring of wells using pipes more efficient.
Date:
October 4, 1921
Creator:
McMillian, John F.
System:
The Portal to Texas History
Drill Head For Oil Wells
Patent for Drill Head for oil wells, one object of the invention is to provide a drill head having the capacity to drill through strata of soft formation as may exist between rock layers and in broken formations of clay and boulders, as well as through rock formations themselves, the said drilling head being provided with roller bits or cutters and also with a fish tail cutter.
Date:
October 25, 1921
Creator:
Sorensen, Sam
System:
The Portal to Texas History