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EIA Adjusts Storage Data For ANR Change

EIA Adjusts Storage Data For ANR Change

The Energy Information Administration reported that 47 Bcf of working gas in Michigan storage facilities was reclassified as base gas in March, which means working gas levels at the end of the winter heating season were 3% lower than first reported, or 1,430 Bcf compared to 1,477.

The revised level of working gas at the end of March still was 245 Bcf more than at the same time a year earlier and still was the highest level in the past seven years - at the end of March in 1992 there was 1,545 Bcf of working gas, but the record level was achieved in 1983 with 2,148 Bcf of total working gas in storage.

ANR Pipeline confirmed it was responsible for the reclassification. In its last rate case ANR requested that 62.1 Bcf of working gas in its Michigan storage fields be reclassified as base gas, and about 15 Bcf of that was located in five fields that later were abandoned or no longer used for storage: Coldwater, Croton, North Hamilton, Norwich and Orient.

"For accounting purposes it was effective [January] 1997, but in terms of operationally reporting it to EIA, we just got around to it April 1 of this year," said ANR spokesman Joe Martucci.

One other storage change that's likely to occur in Michigan and affect EIA's statistics this summer is the introduction of the Washington 10 storage field in Macomb County. The new field, which is owned and operated by MCN, started injecting gas in April and has 41.6 Bcf of working gas capacity and 400 MMcf/d of deliverability.

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