Oil revenues are the Iranian regimes orincipal source of income. If all the Iranian oil wells (whose locations are not secret) were totally destroyed, the regimeme of the ayatollahs would soon collapse like a house of cards. Americans and Europeans would have to pay more for fuel for a while, but, actually, that's not a bad thing, as the development of alternative sources of energy would of necessity be accelerated.
Knesset approves 2015-16 state budget in first reading (Haaretz)
from the article: Cries of 'hold me back' may lead Israel to strike Iran