Summary
Working gas in storage was 2,877 Bcf as of Friday, June 1, 2012, according to EIA estimates. This represents a net increase of 62 Bcf from the previous week. Stocks were 713 Bcf higher than last year at this time and 687 Bcf above the 5-year average of 2,190 Bcf. In the East Region, stocks were 347 Bcf above the 5-year average following net injections of 38 Bcf. Stocks in the Producing Region were 249 Bcf above the 5-year average of 842 Bcf after a net injection of 11 Bcf. Stocks in the West Region were 91 Bcf above the 5-year average after a net addition of 13 Bcf. At 2,877 Bcf, total working gas is above the 5-year historical range.

Working gas stocks in the Producing Region, for the week ending June 1, 2012, totaled 1,091 Bcf, with 260 Bcf in salt cavern facilities and 831 Bcf in nonsalt cavern facilities. Working gas stocks decreased 1 Bcf in the salt cavern facilities and increased 12 Bcf in the nonsalt cavern facilities since May 25. 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