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The state of Texas is losing billions of dollar because of tax rate deductions for shale gas wells using hydraulic fracturing that are classified as “high cost wells,” according to a report by the state Legislative Budget Board (LBB).

Gulf of Mexico operator McMoRan Exploration Co. on Friday reported a big loss in the final three months of 2012 because of impairments and a sharp revenue decrease related in part to its gassy shallow-water operations.

The United States likely will surpass Russia and Saudi Arabia this year to become the largest liquids producer in the world because of tight oil and biofuels growth, according to BP plc. North America also is expected to lead in shale gas output to 2030.

U.S. manufacturers of ammonia-based nitrogen fertilizer made with low cost natural gas feedstock are raking in profits and moving ahead with plans to expand domestic operations.

U.S. natural gas prices for 2013 will be lower than predicted in late October because winter weather so far has been missing in action, Raymond James & Associates’ energy team said this week. Analysts with Goldman Sachs also have reduced their price forecast but said they remain bullish on the market.

Making good on its plan to continue a “strategic redirection” of its business, NuStar Energy LP on Monday said it has agreed sell its San Antonio refinery and related assets, including a terminal in Elmendorf, TX, and a pipeline connecting the terminal and refinery, to Calumet Specialty Products Partners, LP for $100 million, plus closing date inventory estimated to be $15 million.

The National Transportation Safety Board (NTSB) said it will begin packing up the section of the Columbia Gas Transmission pipeline that was damaged in the Tuesday blast in West Virginia for it to be sent to its headquarters in Washington, DC, for closer scrutiny.

The Natural Transportation Safety Board (NTSB) Wednesday began sifting through pieces of the Columbia Gas Transmission system that ruptured near the pipeline’s Lanham Compressor Station sear Sissonville, WV, a rural community of 4,000 about 15 miles north of the state capital, Charleston.

Atlas Pipeline Partners LP (APL) on Monday agreed to pay $600 million for all of the operating assets of privately held Cardinal Midstream LLC, which would give it cryogenic processing plants, associated gathering pipelines and a gas treatment business that includes facilities in the Woodford, Eagle Ford, Haynesville and Fayetteville shales, as well as the Granite Wash and Avalon formations.