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Having previously announced System Overrun Limitations (SOL) in all market-area zones for last Thursday and then extending them into Friday, Northern Natural Gas said late Thursday the SOLs would remain in place through Saturday, Sunday and Monday.

Newfield Exploration Co. said it will spend about $1.7 billion this year on exploration and production activity, with two-thirds directed to oil plays and the rest focused on liquids-rich natural gas. The amount is equivalent to the company’s estimate of 2011 cash flow from operations.

Targa Resources Partners has signed a nonbinding memorandum of understanding (MOU) for development of a pipeline to transport y-grade natural gas liquids (NGL) from processing facilities in the Eagle Ford Shale to Mont Belvieu, TX, and a new fractionation train at the Targa-operated Cedar Bayou fractionation facility (CBF).

Billionaire Carl Icahn, known for investing in what he considers underperforming companies and helping them to achieve a better value, has become Chesapeake Energy Corp.’s second-largest shareholder, according to a filing with the Securities and Exchange Commission (SEC).

There were more than 14,000 oil and gas field operators in the United States last year, but the largest 100 of them as determined by total operated reserves accounted for nearly 90% of proved oil and gas reserves, according to a U.S. Energy Information Administration (EIA) report.

There were more than 14,000 oil and gas field operators in the United States last year, but the largest 100 of them as determined by total operated reserves accounted for nearly 90% of proved oil and gas reserves and included shale giant Chesapeake Energy Corp. and other companies active in the nation’s shale plays, according to a U.S. Energy Information Administration (EIA) report.

There were more than 14,000 oil and gas field operators in the United States last year, but the largest 100 of them as determined by total operated reserves accounted for nearly 90% of proved oil and gas reserves, according to a U.S. Energy Information Administration (EIA) report.

Most locations recorded price increases — a majority of them in double digits — Monday as frigid conditions were forecast in most of Canada and the U.S. Some low-linepack issues and wellhead freezeoffs contributed to firmness in the West, and the return of industrial load from a longer-than-usual holiday weekend was also a bullish factor. But the previous Wednesday’s 0.3-cent gain by expiring December futures was considered insignificant.

Saying customers were overnominating gas at the Kemmerer and Roosevelt stations, Northwest asked them to secure supplies north of Plymouth Compressor Station “to meet the demand created by colder temperatures in all of our market areas in the upcoming days.”