Patent ID: 9617791
Date: 2017-04-11
CPC Classifications: E21B

Claim:
1. A method for drilling a lateral borehole, comprising: positioning a deflection member within a wellbore, the deflection member having an inclined guide surface; positioning a bit within the wellbore, the bit being coupled to a directional drilling system for selectively steering the bit, the directional drilling system including a plurality of expandable pads; anchoring the deflection member within the wellbore; guiding the bit over the guide surface of the deflection member, toward a sidewall of the wellbore for drilling of a lateral borehole; and using the directional drilling system to elevate the bit relative to the guide surface to minimize contact between the bit and the deflection member, wherein using the directional drilling system includes selectively expanding the plurality of expandable pads against the inclined guide surface of the deflection member.