OCR Text |
Show Klectrie Oil Well Drills. A patent haa been granted for an ele. trical drill for oil wells. Tlie device con-sists con-sists of a series of motors in tandem, connected in such a way as to make one motor. The dosigu La been to get the ,xwer within a six inrh diameter, so thut the entire mechanism, which mnch resembles a common boiler, can be lowered low-ered in the well, and the power can be applied at the bottom. The drill bits are firmly fastened, on the rod, which ia worked rapidly in and out of a cylinder, after the manner of a piston rod. New Yerk TeleTam. |