Patos-Marinëz is an Albanian oil field that was discovered in 1928. It is the biggest on-shore oil field in Europe, and with its 11,854 barrels (1,884.6 m3) per day the biggest oil producing field in Albania. The Patos Marinëz oil field is located 10 kilometres (6 mi) east of the city of Fier in south central Albania. Its proven reserves are about 2 billion barrels (320×106 m3). Patos Marinëz has only heavy oil and is in production since the 1930s.

Patos-Marinza Oil Field - Wikipedia