Local Homeland Security Director: Officials concerned cap of giant Napoleonville Dome may ‘shift’ and release butane from cavern

Published: August 15th, 2012 at 2:53 pm ET
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Title: DEQ seeks salt cavern butane scenario
Source: The Advocate
Author: DAVID J. MITCHELL
Date: August 15, 2012

[...]

John Boudreaux, director of the Assumption Parish Office of Homeland Security and Emergency Preparedness, said officials are not concerned that the sinkhole would expand and swallow up the Crosstex cavern, but that the sinkhole could expand and shift the cap of sediment and rock that sits atop Napoleonville Dome.

Such a shift, though it would have to occur across 1,600 feet of caprock, could damage the casing of the well bore leading to the underground cavern, possibly releasing the butane, Boudreaux explained.

“It’s not impossible. No one can say that it can’t happen. The scientists are aware of that, but it’s very unlikely that it would happen,” Boudreaux said.

[...]

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Published: August 15th, 2012 at 2:53 pm ET
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