![]() Updated well safety regulations since 2015 largely address the causes of the leak, the report said. SoCalGas, as the utility is known, said it was in compliance with natural gas storage regulations in place at the time. Blade said it found integrity issues in 40 percent of the 124 storage wells it studied for the report. More than 60 casing leaks occurred since the 1970s at the Aliso Canyon gas storage facility and were not investigated, the report found. Those probes could ultimately result in penalties against the company, according to the CPUC. The agencies said the report would help inform their own investigations, which are expected to be completed this year. The report was commissioned by two state regulatory agencies, the California Public Utilities Commission and the Division of Oil, Gas and Geothermal Resources, and conducted by a third party, Blade Energy Partners. Because Southern California Gas, a unit of Sempra Energy, had failed to investigate and analyze leaks since the 1970s, the consequences of such corrosion were not understood, leading to the 2015 incident, the report found. The long-awaited report found that groundwater corroded a 7-inch well casing and made it to rupture, causing the leak. May 17 (Reuters) - The California utility responsible for a massive, 4-month-long gas leak near Los Angeles in 2015 failed to investigate dozens of leaks over decades at the natural gas storage facility, according to a state report released on Friday. (Adds that investigations may lead to penalties) ![]()
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