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DAISETTA, Texas -- A monster sinkhole the size of several football fields is causing serious concern in the Liberty County town of Daisetta.
Originally posted by whatukno
But this is only going to get as large as the pocket of oil that used to be there was. I don't know how big the oil field was to begin with but whatever size it is thats how big the hole will end up being.
Sunoco, which manufactures petroleum and petrochemical products, secured two 6-inch crude oil pipelines near the sinkhole that had started to leak Wednesday, said Lester Edwards, hazardous materials coordinator for Liberty County.
The ground might have caved in because of the collapse of an old salt dome where oil brine and natural gas are stored underground, officials said. Daisetta sits on a salt dome, one of the most common types of traps for oil.
Daisetta isn’t the only area with salt domes and the possibility for a sinkhole. The Big Hill, or Spindletop, site, and High Island have areas of salt domes close enough to the surface to possibly sink if certain conditions arise.
A salt dome is an underground arch of sedimentary rock with a mass of rock salt at its core. The dome may collapse when, as the salt moves upward, comes into contact with the water table.
“The real question is what triggered the collapse,” he said. “And if the salt dissolved away from the cap rock, is it supported again?”
A company that sits near the edge of a massive sinkhole in Southeast Texas has been accused of violating permits for disposal of saltwater, which some geologists suggest may have caused the crater.
The company has received citations for two violations from the state. One was for exceeding the amount of wastewater it was permitted to inject into the ground, Nye said. Deloach was allowed to inject 90,000 barrels of waste water per month, but Nye said the firm last year was injecting between 128,000 and 192,000 barrels per month.
The company was also cited for failing to conduct its annual leak test on the piping in the disposal well before April 30.
Officials with Deloach could not immediately be reached for comment on Saturday.