All have negative weekly chart profile, and four of the five match the pattern for oil with closes last week above their 200-week simple moving averages.

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Worries are now growing that the pattern of previous oil price shocks may be repeated: inflation, interest rate hikes and, finally, years of painful recession.

BBC: Archive

The July 2010 seasonal peak coincided with a sideways pattern in crude oil that was completed in the fall when crude oil again started to move higher.

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Whether that reduction continues depends first on oil prices and second on the pattern of global demand.

ECONOMIST: The world economy

The pattern is down and for now crude oil remains vulnerable to additional weakness near term.

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The next seasonal low in February 2008 coincided with the completion of a continuation pattern (line 3) as crude oil then accelerated to the upside.

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Oil, they expect, will like be repeating the pattern of 2011 and 2012.

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Given the broader concerns about global growth and weakening demand for crude oil in the months ahead, this triangle could be a potential topping pattern.

FORBES: Crude Oil Wants To Slip Below $80 Again, Test $78

The dramatic migration pattern can be chalked up to the rapid development of an oil- and gas-rich shale formation in the western part of the state.

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