This museum is worth a stop even if you're not utterly fascinated with the oil business, for it's as much a history and geology museum as a shrine to the prominent local industry (it has a hall of fame and an ironically entertaining 1970s sensibility).
Outside is a big collection of antique oil-drilling equipment. Inside, interactive exhibits include one in which players can drill their own wells and another that simulates the roar of a blowout, an oil well gone wild.