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Working Gas in Underground Storage
Data Released November 17, 2005 at 10:30 A.M.,
For the Week Ending November 11, 2005
Region Stocks (Bcf) for
November 11, 2005
Stocks (Bcf) for
November 4, 2005
Implied Net
Change (Bcf)
Year Ago Stocks
(Bcf)
East
1,946
1,918
28
1,930 
West
443
439
4
425 
Producing
893
872
21
968 
Total Lower 48
3,282
3,229
53
3,322 
Region 5-Year
(2000-2004) Average Stocks (Bcf)
Difference from
5-Year Average
(Percent)
   
East
1,860 
4.6
  
  
West
386 
14.8
  
  
Producing
857 
4.2
  
  
Total Lower 48
3,103 
5.8
  
  
Notes and Definitions

Note: Because of the forthcoming Thanksgiving holiday, the Weekly Natural Gas Storage Report for the week ending November 18 will be released on November 23 between 12:00 p.m. and 12:10 p.m. (Eastern Time). The official release schedule is accessible by use of the link titled "Schedule" located on the menu bar at the top of this web page.

Note: This report tracks U.S. natural gas inventories held in underground storage facilities. The weekly stocks generally are the volumes of working gas as of the report date. Changes in reported stock levels reflect all events affecting working gas in storage, including injections, withdrawals, and reclassifications between base and working gas.

Note: The weekly storage estimates are based on a survey sample that does not include all companies that operate underground storage facilities. The sample was selected from the list of storage operators to achieve a target standard error of the estimate of working gas in storage which was no greater than 5 percent for each region. Based on a comparison of weekly estimates and monthly data from May 2002 through Agust 2005, estimated total working gas stocks have exhibited an average absolute error of 21 billion cubic feet, or 1.0 percent. For an expanded discussion of the relationship between the current and prior estimates, please see Differences Between Monthly and Weekly Working Gas in Storage.


Storage Highlights:
Working gas in storage was 3,282 Bcf as of Friday, November 11, 2005, according to EIA estimates. This represents a net increase of 53 Bcf from the previous week. Stocks were 40 Bcf less than last year at this time and 179 Bcf above the 5-year average of 3,103 Bcf. In the East Region, stocks were 86 Bcf above the 5-year average following net injections of 28 Bcf. Stocks in the Producing Region were 36 Bcf above the 5-year average of 857 Bcf after a net injection of 21 Bcf. Stocks in the West Region were 57 Bcf above the 5-year average after a net addition of 4 Bcf. At 3,282 Bcf, total working gas is within the 5-year historical range.


Working Gas in Underground Storage Compared with 5-Year Range
Working Gas in Underground Storage Compared with 5-Year Range
  Notes: A weekly record for March 8, 2002, was linearly interpolated between the derived weekly estimates that end March 1 and the initial estimate from the EIA-912 on March 15. The shaded area indicates the range between the historical minimum and maximum values for the weekly series from 2000 through 2004.
Source: Form EIA-912, "Weekly Underground Natural Gas Storage Report." The dashed vertical lines indicate current and year-ago weekly periods.

 

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