LONDON (Reuters) - Oil markets have entered a ``super-spike'' period that could see 1970's-style price surges as high as $105 a barrel, investment bank Goldman Sachs said in a research report.

Goldman's Global Investment Research note also raised the bank's 2005 and 2006 New York Mercantile Exchange crude price forecasts to $50 and $55 respectively, from $41 and $40.

These forecasts sit at the top of a table of predictions from 25 analysts, consultants and government bodies surveyed by Reuters.

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