Well-managed companies like Murphy Oil (MUR) seldom make the headlines. Yet day-in and day-out solid operational decisions often provide home-run opportunities with little fanfare. Recently, Murphy Oil news indicated that a partnership with well-regarded Exxon Mobil (XOM) successfully bid on some acreage off Brazil. Exxon Mobil has already reported considerable success elsewhere in the world drilling for large finds. Such finds rarely do much for Exxon Mobil's stock as the company is quite large, so the discoveries are often not that big a deal. But they can be a company game-changer