Good forecasts/bad forecasts: how does the US DOE/EIA come out?

Forecasts are only of value if they are reasonably accurate. In that regard, I decided to look at an analysis I made in 2001,

Future North Sea Oil Production

In the IEO2001, the US DOE/EIA stated the following concerning future North Sea oil production:

In the IEO2001 forecast, North Sea production reaches a peak in 2006, at almost 6.6 million barrels/day (mb/d). Production from Norway, Western Europe