Released: May 24, 2012 at 10:30 a.m. (eastern time) for the Week Ending May 18, 2012.
Notes and Definitions
Beginning with the report period for the week ending March 16, 2012, EIA is including salt dome and nonsalt-dome subtotals for the Producing Region in the Summary section. The sum of the components may not equal the total for the Producing Region, because of independent rounding.
Summary Working gas in storage was 2,744 Bcf as of Friday, May 18, 2012, according to EIA estimates. This represents a net increase of 77 Bcf from the previous week. Stocks were 750 Bcf higher than last year at this time and 753 Bcf above the 5-year average of 1,991 Bcf. In the East Region, stocks were 381 Bcf above the 5-year average following net injections of 45 Bcf. Stocks in the Producing Region were 274 Bcf above the 5-year average of 790 Bcf after a net injection of 19 Bcf. Stocks in the West Region were 98 Bcf above the 5-year average after a net addition of 13 Bcf. At 2,744 Bcf, total working gas is above the 5-year historical range. Working gas stocks in the Producing Region, for the week ending May 18, 2012, totaled 1,064 Bcf, with 257 Bcf in salt cavern facilities and 807 Bcf in nonsalt cavern facilities. Since May 11, working gas stocks increased 19 Bcf in the salt cavern facilities and remained at the previous week's level in the nonsalt cavern facilities. An historical series of the salt and nonsalt subtotals of the Producing Region is available for download at