US supermajor ExxonMobil has officially relinquished 20% of the area of the prolific Stabroek block offshore Guyana.

An Exxon Mobil-led oil consortium has returned 2,534 square kilometers of the Stabroek Block in Guyana back to the government, the Ministry of Natural Resources said in a statement on Wednesday.

GEORGETOWN (Reuters) -An Exxon Mobil-led oil consortium has returned 2,534 square kilometers of the Stabroek Block in Guyana back to the government, the Ministry of Natural Resources said in a ...