The tentative rapprochement between Saudi Arabia and Iraq took another step forward with 18 MoUs signed this week. None are earthshattering, but they mark a continued effort to thaw relations that have never recovered from Iraq’s 1990 invasion of Kuwait.

The announcements were made on 5 December at the Basra Oil & Gas International Exhibition & Conference. Saudi Energy Minister Khalid al-Falih was in attendance, marking his second official visit to Iraq in less than two months...