New 'super-spike' might mean $200 a barrel oil Goldman's projections foretell persistent turbulence in energy prices By Steve Gelsi, MarketWatch Last update: 1:42 p.m. EST March 7, 2008 NEW YORK (MarketWatch) -- With $100-a-barrel here for now, Goldman Sachs says $200 a barrel could be a reality in the not-too-distant future in the case of a "major disruption." Goldman on Friday also boosted by $10 the low end of its 2008-2012 projected range for crude to $60 a barrel -- significantly lower than current prices, to be sure, but a possible mark for oil if "normalized" trends return to the...