Serinus Energy Plc engages in the exploration, development, and production of oil and gas. Its Satu Mare Concession is one of the exploration blocks in Romania, lying on a prolific oil and gas trend in the Eastern Pannonian Basin. The firm holds over three Tunisia concessions that comprise a diverse portfolio of development and exploration assets. Its three Tunisia concessions include Sabria, Chouech Es Saida and Ech Chouech. The firm holds 45% working interest in Sabria concession, which covers approximately 26,195 gross acres. The Sabria concession comprises an Ordovician light oil field. The company holds 100% working interest in Chouech Es Saida concession, which covers approximately 52,480 acres. The concession produced over 9.8 million barrels-of-oil-equivalent. The company holds a 100% working interest in Ech Chouech concession, which covers over 33,920 acres. The concession has produced oil intermittently from the TAGI Formation.