Thursday, November 17, 2011

LPG storage in Arizona salt caverns


We recently got an inquiry about how deep the salt caverns are in Arizona that hold liquid petroleum gas (LPG).

Steve Rauzi, Oil & Gas Administrator, says the man-made caverns in the Holbrook basin salt beds are generally 950-1050 feet deep, while those in the Luke salt beds are generally 1650-2750 feet deep.

The Holbrook salt deposit is getting a lot of attention recently due to the large potash deposit near the top of the salt beds, at an average depth of about 1,200 feet.

[right, schematic diagram of salt caverns used for natural gas storage. The situation for LPG storage is basically the same, although natural gas is usually under high pressure]

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