Pipe-Gripping Device.
Description:
Patent for a device designed to hold and sustain a string of pipe in an elevated position during the process of unscrewing and separating it into sections, primarily used for drilling operations where pipes are connected and disconnected within a borehole.
Date:
September 27, 1921
Creator:
Steen, Buford J.
Item Type:
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Partner:
UNT Libraries Government Documents Department