The SPR piece is interesting. It shows maps and Google Earth images of the Strategic Petroleum Reserve. The same link also has a write-up about it.

Speaking of the SPR: O&G Journal: Gustav idles 12% of US refining capacity

Nineteen of the 22 major gas pipelines serving the gulf had declared force majeure, idling operations an all offshore segments of their systems.

The Sabine Pipeline gas system declared force majeure because of mandatory evacuations in Vermilion Parish, location of all of its receipt and delivery points and of the Henry Hub interconnection, the delivery point for gas-futures contracts on the New York Mercantile Exchange.

Also closed were the Strategic Petroleum Reserve facilities at Bayou Choctaw and West Hackberry, La., and at Big Hill, Tex. The Bryan Mound, Tex., SPR facility remained in operation.

The DOE office noted that 28 major gas processing plants lie in the path of the storm and were shutting down because of mandatory evacuations in Louisiana and shut-down of gathering lines.