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Based on production data verifiable to date, the Marcellus Shale will become the “King of the Gas Shales” by 2015 at the latest, U.S. energy analysts with Raymond James & Associates Inc. said in a new report.

Colorado Gov. John Hickenlooper said Wednesday the state hopes to avoid a lengthy court battle with the City of Longmont over newly enacted natural gas and oil drilling regulations, which challenge the state’s authority to regulate energy operations.

Carrizo Oil & Gas Inc. beat its guidance and achieved record production and revenue during the second quarter of 2012, thanks in large part to new liquids production in the Eagle Ford Shale and a flatter-than-expected decline in natural gas production from new wells in the Marcellus Shale.

Carrizo Oil & Gas Inc. beat its guidance and achieved record production and revenue during the second quarter of 2012, thanks in large part to new oil production from longer laterals drilled in the Eagle Ford Shale and a flatter-than-expected decline in natural gas production with new wells brought online in the Marcellus Shale.

Houston-based Fayetteville Shale pioneer Southwestern Energy Co. took a hit last quarter from low natural gas prices in the form of a large ceiling test impairment and lower operating income.

Houston-based Fayetteville Shale pioneer Southwestern Energy Co. took a hit last quarter from low natural gas prices in the form of a large ceiling test impairment and lower operating income.

The lowest natural gas prices in a decade — driven lower in large part by production from North American shale plays — are behind many of the decisions being made by regulators and energy companies in the Northwest, but where those prices are likely to go next is a matter of dispute.

The lowest natural gas prices in a decade — driven lower in large part by production from North American shale plays — are behind many of the decisions being made by regulators and energy companies in the Northwest, but where those prices are likely to go next is a matter of dispute.

For a second consecutive year, the vibrant history of North Dakota’s oil and natural gas drilling has been replicated in a large illustrated map indicating all 3,461 wells in the Bakken and Three Forks formation at the end of 2011. The map was jointly published by the North Dakota Petroleum Council (NDPC) and Energy/Environmental Research Center.