Oil majors including Exxon, Shell, ConocoPhillips, and Santos are ramping up investment in Alaska as the Middle East supply crisis boosts demand for secure long-term oil and gas sources.

Alaska has seen a resurgence of oil industry interest — and investment — driven by discoveries suggesting the state’s crude potential is far greater than previously expected.

Oil majors including Exxon, Shell, ConocoPhillips, and Santos are ramping up investment in Alaska as the Middle East supply crisis boosts demand for secure long-term oil and gas…