Well Drilling Mechanism
Description:
Patent for a well drilling mechanism. This invention addresses the time consuming labor of screwing together sections of drilling pipe. This invention "contemplates an apparatus adapted to be attached to the frame of the rotary and operated by the driving mechanism of the rotary...screwing and unscrewing accomplished by mechanical means without manual means" (lines 38-44). Illustration included.
Date:
January 14, 1913
Creator:
Hall, Samuel N.
Partner:
UNT Libraries Government Documents Department