There are indications that limited investment has taken a toll on exploration, as Nigeria’s rig count dropped year-on-year by 27.8 per cent to 135 in the year 2020, from 187 in 2019. <br /> The oil rig count, major index for measuring level of activities in the upstream oil sector, was contained in the latest industry data released by the Organisation of Petroleum Exporting Countries, OPEC. #Oil #OilOuput