OREANDA-NEWS. June 03, 2014. Chad has suspended all exploration and drilling activities of the local unit of China National Petroleum Corporation in the country for failing to take measures to meet environmental standards in its operations, its oil minister said.

"Despite a first suspension imposed on the company in August 2013, unacceptable practices such as land-filling polluted sites without cleaning them, has continued," oil minister Djerassem Le Bemadjiel said in a statement.