Patent ID: 9638008
Date: 2017-05-02
CPC Classifications: E21B

Claim:
1. A well system, comprising: a deflector arranged within a main bore of a wellbore, the deflector defining a first channel that exhibits a predetermined diameter and communicates with a lower portion of the main bore, and a second channel that communicates with a lateral bore; a bullnose assembly including a body and a bullnose tip arranged at a distal end of the body, the bullnose tip being actuatable between a default configuration, where the bullnose tip exhibits a first diameter, and an actuated configuration, where the bullnose tip exhibits a second diameter different than the first diameter; a piston movably arranged within a piston chamber defined within the bullnose tip; a wedge member operatively coupled to the piston; and a coil arranged about the bullnose tip and in contact with the wedge member, the piston being actuatable to move the wedge member to radially expand the coil, wherein the diameter of the bullnose tip exceeds the predetermined diameter with the coil radially expanded, wherein the deflector directs the bullnose assembly into one of the lateral bore and the lower portion of the main bore based on a diameter of the bullnose tip as compared to the predetermined diameter.