Oil output has halved to 500,000 b/d, and the Libyan National Army’s handover of port facilities to its eastern allies could stymie exports for months to come.

After a major push that saw oil output rise from 260,000 b/d in August 2016 to 1mn b/d over the first five months of 2018 (MEES, 22 December 2017), resurgent political violence has torpedoed Libya’s oil sector. Militias commanded by Ibrahim al-Jathran attacked the Ras Lanuf and Es Sider oil terminals in mid-June, causing...