European shares closed largely flat on Friday, although oil majors fell sharply after OPEC decided not to cut its output target.
European shares closed higher on Thursday, even as a further fall in oil prices led to heavy selling in the energy sector.
Oil production is at the highest in a decade in Nigeria, but the surge is not likely to last long.
European stock indexes accelerated losses to close lower on Tuesday, after seesawing during the trading session.
The oil price plunge has not pushed energy shares to new lows, as much of the damage "has already been done" according to asset managers.
Oil companies are shying away from commenting on outlook as crude oil falls to multi-year lows; however, analysts are slashing estimates.
European shares closed marginally higher on Wednesday, after a bumpy day of trading, as investors looked ahead to the Fed's policy statement.
Sanofi shares tumbled up to 6.2 percent on Wednesday after the French drugmaker's board said it was ousting chief executive, Chris Viehbacher.
Total warned that sliding oil prices had hit its third-quarter results and could weigh for the rest of 2014.
Oil prices rose on news Saudi Arabia cut its supply to the market in September and on strong economic data from Europe and China.
Russian prosecutors detain four more Moscow airport workers over a plane crash which killed the CEO of oil company Total.
Oil prices slipped on Wednesday after data showed a second consecutive weekly jump in U.S. crude oil stockpiles.
Total has confirmed that Patrick Pouyanne, head of refining up until now, will take over as chief executive, and Thierry Desmarest as chairman.
Oil prices closed slightly higher after an early rally aided by data showing stronger-than-expected China demand and some technical price recovery.
European shares traded sharply higher as buying was fueled by earnings and reports that the ECB would provide extra liquidity in the near future.
Tributes pour in for Christophe de Margerie after the chief executive of Total died in a business jet crash in Moscow.
The chief exec of Total, Christophe de Margerie, was killed when his private jet collided with a snow plough as it was taking off from Moscow's Vnukovo airport.
European shares closed sharply lower on Friday, as concerns over global growth and weaker economic data from Germany hit risk sentiment.
The OPEC basket of 12 crude oils slid to $94.31, the lowest level since July 2012 even as the U.S. confirmed 14 air strikes against ISIS.
Europe's Total, under pressure from shareholders to improve its cash flow and raise dividends, is looking to sell Blu-Tack maker Bostik.