Crews work on stopping a gas leak at a relief well at the Aliso Canyon facility above the Porter Ranch area of Los Angeles on Dec. 9, 2015.
Crews work on stopping a gas leak at a relief well at the Aliso Canyon facility above the Porter Ranch area of Los Angeles on Dec. 9, 2015. Dean Musgrove The Associated Press
Crews work on stopping a gas leak at a relief well at the Aliso Canyon facility above the Porter Ranch area of Los Angeles on Dec. 9, 2015. Dean Musgrove The Associated Press