"The new cuts are underpinning that the OPEC+ group is intact and that Russia is still an integral and important part of the group," SEB analyst Bjarne Schieldrop said.
Higher prices will likely spell more income for Moscow to fund its expensive war in Ukraine, upsetting Saudi-U.S. relations further, Schieldrop said.
"The U.S. administration may also argue that higher oil prices will counter its efforts to put out the inflation fire," he added.
[1/2] An OPEC flag is seen on the day of OPEC+ meeting in Vienna in Vienna, Austria October 5, 2022.
"Producing countries apparently want to see oil prices rise to $90-$100/bbl, but higher oil prices also mean higher risk of economic downturn and sluggish demand," he added.