Ratings on (KOG) (NE), (UPL) (WLL) (ENP) Upgraded by Analysts

Analysts upgraded ratings on Kodiak Oil & Gas Corp. (NYSE: KOG), Noble Corp (NYSE: NE), Ultra Petroleum Corp. (NYSE: UPL), Whiting Petroleum Co. (NYSE: WLL) and Encore Energy Partners (NYSE: ENP).

Global Hunter Securities upgraded Kodiak Oil & Gas Corp. (KOG) from a “neutral” rating to an “accumulate” rating.

FBR Capital upgraded Noble Corp (NE) from a “market perform” rating to an “outperform” rating. They have a price target of $55.00 on the company, up from $48.00.

CapitalOne Southcoast upgraded Ultra Petroleum Corp. (UPL) from a “neutral” rating to an “add” rating. They have a price target of $56.00 on the company, up from $50.00.

Global Hunter Securities upgraded Whiting Petroleum Co. (WLL) from a “neutral” rating to an “accumulate” rating.

Robert W. Baird upgraded Encore Energy Partners (ENP) from a “neutral” rating to an “outperform” rating. They have a price target of $25.00 on the company.