Apparatus and method for completing a junction of plural wellbores

This invention relates generally to subsurface tools used in the completion of subterranean wells and, more particularly, provides an apparatus and method for use in multilateral completions. A method and apparatus for completing a junction of plural wellbores includes providing a casing junction assembly having plural outlets for communicating with corresponding wellbores. A tool has plural extendable conduits for engaging in the outlets. The casing junction assembly has an integral diverter with guiding surfaces to guide the conduits into the outlets.