The industry is short on prospects,and it faces diverse challenges in its quest to ramp up U.S.exploration drilling.In his classic Geology of Petroleum,A.I.Levorson defined a prospect as"a set of circumstances,both geologic and economic,that justify the drilling of a wildcat well."Clearly,with today's prices,those circumstances can occur more frequently than in years past.Yet,a popular refrain among E&P companies is that there aren't enough good prospects left to drill.
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