Penfield Marine beefed up its panamax tanker pool with four tankers owned by Diamlemos Shipping.

The Southport-based operator had previously chartered-in two Diamlemos ships, the 72,354-dwt Kyriakoula (built 2003) and the 72,340-dwt George Nikolos (built 2003). 

Along with those two rolling into the spot trading pool, Penfield will add the 72,291-dwt Archangelos Gabriel (built 2005) and the 72,291-dwt Despina (built 2006). 

Chief executive Tim Brennan says Penfield has "known and worked with Diamlemos for a number of years.