Bayou Corne is being swallowed by a sinkhole

25 Aug

Texas Brine’s operation sits atop a three-mile-wide, mile-plus-deep salt deposit known as the Napoleonville Dome, which is sheathed by a layer of oil and natural gas, a common feature of the salt domes prevalent in Gulf Coast states. The company specializes in a process known as injection mining, and it had sunk a series of wells deep into the salt dome, flushing them out with high-pressure streams of freshwater and pumping the resulting saltwater to the surface. From there, the brine is piped and trucked to refineries along the Mississippi River and broken down into sodium hydroxide and chlorine for use in manufacturing everything from paper to medical supplies.

Bayou Corne is the biggest ongoing disaster in the United States you haven’t heard of.

What happened in Bayou Corne, as near as anyone can tell, is that one of the salt caverns Texas Brine hollowed out—a mine dubbed Oxy3—collapsed. The sinkhole initially spanned about an acre. Today it covers more than 24 acres and is an estimated 750 feet deep. It subsists on a diet of swamp life and cypress trees, which it occasionally swallows whole. It celebrated its first birthday recently, and like most one-year-olds, it is both growing and prone to uncontrollable burps, in which a noxious brew of crude oil and rotten debris bubbles to the surface. But the biggest danger is invisible; the collapse unlocked tens of millions of cubic feet of explosive gases, which have seeped into the aquifer and wafted up to the community. The town blames the regulators. The regulators blame Texas Brine. Texas Brine blames some other company, or maybe the regulators, or maybe just God.

Bayou Corne is the biggest ongoing industrial disaster in the United States you haven’t heard of. In addition to creating a massive sinkhole, it has unearthed an uncomfortable truth: Modern mining and drilling techniques are disturbing the geological order in ways that scientists still don’t fully understand. Humans have been extracting natural resources from the earth since the dawn of mankind, but never before at the rate and magnitude of today’s petrochemical industry. And the side effects are becoming clear. It’s not just sinkholes and town-clearing natural gas leaks: Recently, the drilling process known as fracking has been Imagelinked to an increased risk of earthquakes.

http://www.motherjones.com/environment/2013/08/bayou-corne-sinkhole-disaster-louisiana-texas-brine

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