When Iran’s oil minister, Bjian Zanganeh, took office in 2013, he laid out a grand vision for his country’s oil business after Western sanctions ended, proposing to double production to levels not seen since the energy industry’s heyday here before the 1979 revolution. Now nuclear-related sanctions are gone, and the fate of Iran’s crippled economy and its ability to retake its place in the global energy market rests on an oil industry that is underfunded, politicized and starved of Western technology and know-how….