Summary
Working gas in storage was 3,261 Bcf as of Friday, August 10, 2012, according to EIA estimates. This represents a net increase of 20 Bcf from the previous week. Stocks were 442 Bcf higher than last year at this time and 363 Bcf above the 5-year average of 2,898 Bcf. In the East Region, stocks were 118 Bcf above the 5-year average following net injections of 29 Bcf. Stocks in the Producing Region were 174 Bcf above the 5-year average of 930 Bcf after a net withdrawal of 4 Bcf. Stocks in the West Region were 71 Bcf above the 5-year average after a net drawdown of 5 Bcf. At 3,261 Bcf, total working gas is above the 5-year historical range.

Working gas stocks in the Producing Region, for the week ending August 10, 2012, totaled 1,104 Bcf, with 220 Bcf in salt cavern facilities and 883 Bcf in nonsalt cavern facilities. Working gas stocks decreased 6 Bcf in the salt cavern facilities and increased 2 Bcf in the nonsalt cavern facilities since August 03. 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