Sounds like another page of the kick-out-the-multinationals-when-commodity-prices-rise trend.

“Talking on state-run radio on Saturday, Idriss Derby, the president of Chad, asked both the companies to leave the country for refusing to pay taxes: ‘Chad has decided that as of tomorrow (Sunday) Chevron and Petronas must leave Chad because they have refused to pay their taxes.’”

Via AlJazeera