Summary
Working gas in storage was 2,576 Bcf as of Friday, April 27, 2012, according to EIA estimates. This represents a net increase of 28 Bcf from the previous week. Stocks were 840 Bcf higher than last year at this time and 857 Bcf above the 5-year average of 1,719 Bcf. In the East Region, stocks were 425 Bcf above the 5-year average following net injections of 20 Bcf. Stocks in the Producing Region were 325 Bcf above the 5-year average of 715 Bcf after a net withdrawal of 1 Bcf. Stocks in the West Region were 107 Bcf above the 5-year average after a net addition of 9 Bcf. At 2,576 Bcf, total working gas is above the 5-year historical range.

Working gas stocks in the Producing Region, for the week ending April 27, 2012, totaled 1,040 Bcf, with 249 Bcf in salt cavern facilities and 791 Bcf in nonsalt cavern facilities. Working gas stocks decreased 5 Bcf in the salt cavern facilities and increased 4 Bcf in the nonsalt cavern facilities, since April 20. An historical series of the salt and nonsalt subtotals of the Producing Region, reflecting all published revisions and dating back to January 7, 2011, is available for download at: wngsr_producing_region_salt.xls.

For more:

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