Chinese authorities have detained Qi Meisheng, chairman of CNOOC Gas and Power Group, as part of an investigation into potential corruption, multiple sources familiar with the matter told Upstream.

They said that Qi was apprehended during a CNOOC internal meeting last Friday. In addition to Qi, several other high-ranking CNOOC officials, who formerly held top leadership roles within the company, have also been arrested, according to another source.