Oil companies have lowered their forecasts for long-term crude oil prices as demand prospects diminish, thereby reducing the value of their assets as a result.
Izinkampani zika-Oyili zehlise ukubonwa kwamanani entengo engapheli yesikhathi eside njengoba umbono wokudingeka kwezidingo uyaphela, wehlise inani lentengo yempahla yabo.