The current oil futures ended up Friday as investors welcomed the improvement of U.S. consumer sentiment and the efforts of Italy and Greece to resolve their political problems and debt.

On the New York Mercantile Exchange, U.S. crude for December delivery ended at 98.99 dollars a barrel, up $ 1.21, or 1.24%, its highest level since July 26.

For the week, a barrel of WTI gained 4.73 dollars or 5.02%. This is his sixth week of gains.

The same maturity Brent ended at 114.16 dollars, up 45 cents, or 0.4%. For the week, a barrel of North Sea gained 1.96% or 2.19 dollars. This is his third week of gains.