The French-British company Perenco is the DRC's (Democratic Republic of Congo) sole oil producer and is one of the largest investors in the country. They arrived in the DRC in 2000 after CHEVRON sold their concessions. Perenco's onshore drilling program started in 2002 and offshore in 2004. The company has extensively invested in new wells, they have got between 250 to 800 wells. Perenco will normally continue operating in DRC until 2030.