Working gas in storage was 1,747 Bcf as of Friday, May 4, 2007, according to EIA estimates. This represents a net increase of 96 Bcf from the previous week. Stocks were 230 Bcf less than last year at this time and 297 Bcf above the 5-year average of 1,450 Bcf. In the East Region, stocks were 83 Bcf above the 5-year average following net injections of 61 Bcf. Stocks in the Producing Region were 166 Bcf above the 5-year average of 529 Bcf after a net injection of 23 Bcf. Stocks in the West Region were 49 Bcf above the 5-year average after a net addition of 12 Bcf. At 1,747 Bcf, total working gas is within the 5-year historical range.