The U.S. firm, Occidental Petroleum (Oxy), is the second-largest operator after PDO and has the largest presence of any foreign firm in Oman. Oxy operates mainly in northern Oman at Block 62 and Block 9, along with the Mukhaizna field in the south. Lebanese independent, Consolidated Contractors Energy Development (CCED), operates Blocks 3 and 4 with a 50% stake alongside Sweden’s Tethys Oil (30%) and Japan’s Mitsui (20%). Daleel Petroleum is a 50:50 joint venture between Omani private firm Petrogas and Chinese state firm China National Petroleum Corporation (CNPC) and operates Block 5.