porter ranch methane leak

More than 20 private lawsuits have been filed on behalf of some of those residents.

"My fear is that when you actually take a hard look at these facilities, there’s going to be a lot to be worried about," one geologist says.

A relief well that the company began drilling in early December should reach the bottom of the 8,500-foot-deep well by late February or sooner, at which time it will be permanently taken out of service.

“This isn’t just a Porter Ranch problem -- the gas doesn’t know borders.”