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Bit for Well-Drilling Apparatus.

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).
Date: April 3, 1894
Creator: Horton, Stephen A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Tube Holder

Description: Patent for a well tube holder for removing pipes from wells and holding them in place. Illustrations included.
Date: May 3, 1910
Creator: Preston, Lyman L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from Thos. L. James to D. W. Kempner, October 3, 1956]

Description: Letter from Thomas Leroy James to Daniel W. Kempner discussing several matters of interest, such as the recent lack of rain, the purchase of several steers and their prices, the completion of the harvest of corn and cotton, the operation of the dehydration plant, the consideration of the drilling of wells, the trading and acquisition of various acres of land, the completion of a drive in, the inquiry into building a country club and the delivery of a letter to Jackie.
Date: October 3, 1956
Creator: James, Thomas Leroy
Item Type: Refine your search to only Letter
Partner: Rosenberg Library

Tool for Unscrewing Pipe-Joints from Wells

Description: Patent for "new and useful Improvements in Tools for Unscrewing Pipe-Joints from Wells" (lines 5-6). "The object of the invention is to provide a device... whereby the joints of pipe that have become stuck in the well may be unscrewed and withdrawn" (lines 12-16).
Date: September 3, 1918
Creator: Matula, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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