Apparatus and methods for deploying tools in multilateral wells

摘要

A downhole tool centralizer assembly (200) for use in a bushing disposed proximate a junction between a main wellbore and a lateral wellbore. The assembly (200) comprises a tubular centralizer retainer (204) having an external surface (230) and an annular recess (228) on the external surface (230), a first sub (202) for releasably coupling to a downhole tool (300) and an annular spring member (240) disposed within the annular recess (228), the annular spring member (240) having an outer diameter greater than a predetermined inner diameter of the bushing.