GRAPHIC: Porter Ranch Gas Leak Relief Well Operation

A look at what goes into the relief well operation at the site of a gas leak in Porter Ranch

Natural gas has been spewing from a ruptured well at SoCal Gas' Aliso Canyon Storage Facility near Porter Ranch, leading to thousands of residents relocating from the area, with some complaining of health problems.

A relief well that the Southern California Gas Company began drilling in early December should reach the bottom of the 8,500-foot-deep well by late February or sooner, when it will be permanently taken out of service, according to the company.

Below, a look at the relief well operation. Click on the graphic for a larger view.

This graphic shows how crews plan to create a relief well at the site of a gas leak in Porter Ranch.
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