The new requirements include a minimum 300-foot separation between the walls of new brine caverns and a salt dome’s outer edge. The current rules for brine caverns have no minimum separation.

The new requirements include a minimum 300-foot separation between the walls of new brine caverns and a salt dome’s outer edge. The current rules for brine caverns have no minimum separation.

The Napoleonville salt dome found beneath Bayou Corne stretches three miles long and one mile wide, reaching depths of at least 30,000 feet. These domes can create natural traps for oil and gas ...

It took several hours for the sinkhole to form on the northwestern portion of the Hull salt dome. It measured about 100 meters (328 feet) from east to west and 115 meters (49 feet) from north to ...

This diorama of a salt dome shows its size. Each of those layers is a separate mineral deposit. ... Instead of mountain-sized deposits, salt layers in West Texas can be several hundred feet thick.

The $280 million project includes two new salt dome natural gas storage caverns. ... The underground facility could hold more than 14-billion cubic feet of gas, but primarily helium.