SoCalGas CEO Dennis Arriola, second from right, takes questions from the media Thursday, Feb. 18, 2016, during the announcement that the Porter Ranch gas leak has been permanently sealed during a news conference in Chatsworth, Calif., on Thursday, Feb. 18, 2016. The announcement certifying that the ruptured well had been plugged with cement brought a point of closure in the long-running drama that has disrupted life in the Porter Ranch community and drawn attention to a massive underground storage facility owned by Southern California Gas Co.