Oil production in the once-gushing North Slope has been in steep decline for a number of years, with this year set to be the worst on record since the pipeline’s inception in 1977, and the Alaskan government is now drowning in debt from oil and gas tax credits that are no longer bringing much-needed cash flow to the state’s struggling economy. So why on Earth is one of the richest men in the world turning his back on Texas and putting his money into Alaskan oil? Self-made multi-billionaire and Texas oilman Jeffery Hildebrand has made…