An emergency relief well is expected to intersect Southern
California Gas Co.'s damaged injection gas well near Porter Ranch as
soon as Thursday, possibly ending the leak within days, regulatory and
utility officials said Wednesday.
If all goes well with
the intercept, workers could immediately pump slugs of mud and
stabilizing fluids down the relief well into the damaged pipe. If those
materials stop the leak, workers would pump in thick shots of a cement
that would cure and permanently seal the well.
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http://www.latimes.com/science/la-me-0211-porter-ranch-20160211-story.html
