French oil firm Total has said it has sold assets in Brunei, Liberia, and Sierra Leone for more than $400 million, as part of its plan to divest $5B worth of assets in 2019-2020 period.The divestments announced Tuesday include non-core assets in both Exploration-Production (Brunei) and Marketing & Services (Sierra Leone and Liberia). In Brunei, Total has sold to Shell its subsidiary Total E&P Deep Offshore Borneo BV…