Summary
Working gas in storage was 3,877 Bcf as of Friday, November 23, 2012, according to EIA estimates. This represents a net increase of 4 Bcf from the previous week. Stocks were 26 Bcf higher than last year at this time and 190 Bcf above the 5-year average of 3,687 Bcf. In the East Region, stocks were 5 Bcf above the 5-year average following net withdrawals of 12 Bcf. Stocks in the Producing Region were 135 Bcf above the 5-year average of 1,152 Bcf after a net injection of 12 Bcf. Stocks in the West Region were 50 Bcf above the 5-year average after a net addition of 4 Bcf. At 3,877 Bcf, total working gas is above the 5-year historical range.

Working gas stocks in the Producing Region, for the week ending November 23, 2012, totaled 1,287 Bcf, with 317 Bcf in salt cavern facilities and 970 Bcf in nonsalt cavern facilities. Working gas stocks increased 6 Bcf in the salt cavern facilities and increased 6 in the nonsalt cavern facilities since November 16. An historical series of the salt and nonsalt subtotals of the Producing Region is available for download at: wngsr_producing_region_salt.xls.

http://ir.eia.gov/ngs/ngs.html