"Oil prices generally traded in the $70 to $80 per barrel range for most of 2010," said Marcela Donadío, Americas Oil & Gas Leader for Ernst & Young LLP. ""And while natural gas prices were weak, they were stable in 2010. This created a healthy environment for investing in finding reserves and the technology for producing them. Stability in price - despite an uncertain regulatory environmenl - made reserve replacement and growth possible."
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