Vermilion Energy Inc., together with its subsidiaries, engages in the acquisition, exploration, development, and optimization of petroleum and natural gas in North America, Europe, and Australia. It owns 79% working interest in 665,300 net acres of developed land and 87% working interest in 423,200 net acres of undeveloped land, and 439 net producing natural gas wells and 3,402 net producing oil wells in Canada; and 96% working interest in 248,900 net acres of developed land and 91% working interest in 222,100 net acres of undeveloped land in the Aquitaine and Paris Basins, and 335 net producing oil wells and 2.0 net producing gas wells in France. The company also owns 49% working interest in 930,000 net acres of land and 47 net producing natural gas wells in the Netherlands; and 32,700 net developed acres and 1,151,200 net undeveloped acres of land, and 105 net producing oil wells and 8 net producing natural gas wells in Germany. In addition, it owns offshore Corrib natural gas field located to the northwest coast of Ireland; and 100% working interest in the Wandoo offshore oil field and related production assets that covers 59,600 acres located on Western Australia's northwest shelf. Further, the company holds 144,600 net acres of land in the Powder River basin, and 182 net producing oil wells in the United States; and 951,900 net acres of land in Hungary, 242,800 net acres of land in Slovakia, and 2.2 million net acres of land in Croatia. Vermilion Energy Inc. was founded in 1994 and is headquartered in Calgary, Canada.