[20160309]IN10461_Aliso Canyon天然气泄漏：州和联邦的回应和监督.pdf

CRS INSIGHTThe Aliso Canyon Natural Gas Leak: State and Federal Response and OversightMarch 9, 2016 (IN10461) | Related AuthorsRichard K. LattanzioPaul W. Parfomak |Richard K. Lattanzio, Specialist in Environmental Policy (rlattanziocrs.loc.gov, 7-1754)Paul W. Parfomak, Specialist in Energy and Infrastructure Policy (pparfomakcrs.loc.gov, 7-0030)BackgroundBetween October 23, 2015, and February 11, 2016, the Aliso Canyon Underground Storage Facility near the Porter Ranch community in Los Angeles County, California, experienced a large and uncontrolled natural gas leak.The Aliso Canyon facility, owned and operated by Southern California Gas Company (SoCalGas), a subsidiary of Sempra Energy, is a depleted oil field that was converted to a natural gas storage reservoir in the 1970s. The facility provides natural gas to the Los Angeles region for residential heating and cooking, for commercial and industrial uses, and as a fuel for electric power plants. According to the Energy Information Administration, the Aliso Canyon facility is the fourth largest among 418 underground natural gas storage sites in the United States.The leak was reportedly caused by damage to a well casing approxima