Patent ID: 9140082
Filing Date: 2015-09-22
Classification: E21B

Abstract:
1. A wellbore system, comprising: an upper deflector arranged within a main bore of a wellbore and defining first and second channels that extend longitudinally through the upper deflector; a lower deflector arranged within the main bore and spaced from the upper deflector by a predetermined distance, the lower deflector defining a first conduit that extends longitudinally through the lower deflector and communicates with a lower portion of the main bore and a second conduit that extends longitudinally through the lower deflector and communicates with a lateral bore; and a bullnose assembly including a body, a bullnose tip arranged at a distal end of the body, and a sleeve member arranged about the body, wherein one of the bullnose tip and the sleeve member is axially movable to vary a length of the bullnose tip, wherein the upper and lower deflectors direct the bullnose assembly through the second conduit and into the lateral bore or through the first conduit and into the lower portion of the main bore based on the length of the bullnose tip as compared to the predetermined distance.