General Khalifa Haftar has shut off more than half of Libya’s oil exports, and the National Oil Company (NOC) has declared force majeure, taking a whopping 800,000 barrels per day of crude offline for export, and costing the country some $55 million in lost revenues daily. And now, with the country’s entire 1.2 million bpd in production facing a complete shutdown, the market remains confused as to just how much oil is already offline. According to the NOC, four key ports - Hariga, Brega, Sidra and Ras Lanuf - are closed…