William E Blevins

8230949, Jul 31, 2012

Feb 22, 2010

12/660122

William C. Blevins - Sandy Hook KY, US
Brian J. Froehlich - Galena OH, US

E21B 27/04

175 88, 175171

An auger boring machine having spoils ejector having a power source attached to an auger, a plurality of large casings extending linearly from the power source, a plurality of small casings located linearly within the large casings and centered within the large casings with the auger extending linearly within the small casings, a cutting head attached to the terminal end of the large casings, and a spoils ejector, with the spoils ejector attached to the auger and to the cutting head, with the spoils ejector located between the terminal end of the small casings and the cutting head, with the spoils ejector enclosed within the large casings, with the spoils ejector having a front, a back, first and second sides each attached to the front and to the back, first and second curved plates each attached the front, the back, and to the first and second sides, at least one of the sides having a collector aperture formed therein adjacent one of the curved plates, with the back having formed therein at least one spoils port.