Proactive Investors - Shares in FTSE 100 heavyweights Shell PLC (LON:SHEL) and BP PLC (LON:BP) slipped on Friday as oil prices appeared to head towards their largest weekly decline in almost a year.
At US$72.65 a barrel on Friday morning, Brent crude had fallen more than 8% over the course of the week, white West Texas Intermediate was down 9% at US$69.17.
This was in spite of news the OPEC+ cartel would delay a planned increase in production from October to December.
Fears over a supply surplus into next year have emerged recently, with the fall also coming despite data from the US showing crude inventories had dropped to their lowest level in roughly a year last week.
Easing political tensions in Libya, which had seen exports slashed, prompted prices to fall heavily earlier in the week.
Shell fell 1.4% on Friday, while BP dipped 0.9%.