WYE BLOCK HAVING AUTOMATICALLY ALIGNED GUIDE STRUCTURE

摘要

A subterranean well completion system and associated methods of servicing wells provide convenient access to selected ones of multiple tubing strings installed in wells. In a described embodiment, a completion system includes a wye block device which has an access control assembly separately conveyed into a housing assembly installed in a well. The access control assembly is conveyed into the housing assembly when it is desired to access a selected one of multiple tubing strings attached to the housing assembly.