EXPANDABLE AND VARIABLE-LENGTH BULLNOSE ASSEMBLY FOR USE WITH A WELLBORE DEFLECTOR ASSEMBLY.

摘要

A wellbore system is disclosed that includes an upper deflector arranged within a main bore of a wellbore and defining first and second channels, a lower deflector arranged within the main bore and spaced from the upper deflector by a predetermined distance and defining a first conduit exhibiting a predetermined diameter and communicating with a lower portion of the main bore and a second conduit that communicates with a lateral bore, and a bullnose assembly including a body and a bullnose tip arranged at a distal end of the body, the bullnose assembly being actuatable between a default configuration and an actuated configuration, wherein the upper and lower deflectors direct the bullnose assembly into one of the lateral bore and the lower portion of the main bore based on a length and a diameter of the bullnose tip as compared to the predetermined distance and the predetermined diameter, respectively.