Azerbaijan’s state oil firm SOCAR is ramping up production at its new refinery in Turkey and is actively buying sour crude grades for the facility, additionally tightening the already tight sour crude market in the Mediterranean and Europe, crude traders and sources tell Reuters. SOCAR’s oil refinery STAR is designed to have a processing capacity of 200,000 bpd, and it has already reached half that planned capacity, sources familiar with the refinery start-up told Reuters. Full capacity could be reached as soon as next month, and SOCAR…