Inventors:
Keith A. Kinnan - Camas Valley OR
Assignee:
The Charles Machine Works, Inc. - Perry OK
International Classification:
E21B 700
Abstract:
A method for steering a drill bit are disclosed that allow steered horizontal drilling to be performed in rocky, semi-hard, or hard soils and rock, including the steps of stopping the advancement and rotation of the drill string, positioning the upper cutting portion so that the upper cutting portion is pointed in the direction it is desired to deflect the drill string, rocking the drill bit in an arc, thrusting the drill string forward while rocking, and rotating the drill bit.