This afternoon, Governor Sean Parnell, (NGP Photo-r) will open the four day  Alaska Oil and Gas Congress, Chaired by Dave Harbour, NGP Publisher.  Natural Resources Commissioner Tom Irwin (NGP Photo-l) will deliver tomorrow's Keynote address.  More to come....    *     Alaska Journal of Commerce, by Tim Bradner. Governor Sean Parnell said he is pleased with progress on the pipeline, that he has been told the Denali consortium led by BP and ConocoPhillips will have cost estimates completed by the end of the year, and that ExxonMobil Corp. has aligned itself with TransCanada Corp., which is leading a separate pipeline [...]