Fear of missing out on oil assets in the Permian Basin is overblown, says Janus Henderson analyst Noah Barrett. : Fear of missing out on oil assets in the Permian Basin is overblown, says Janus Henderson analyst Noah Barrett The surge in mergers and acquisitions that some predicted would quickly follow Anadarko Petroleum Corp.’s agreement to be bought by Chevron Corp. for $33 billion may turn out to be more of a steady trickle.