UPDATE 2-OPEC+ mulls speeding up oil output hikes again, sources say

* OPEC+ may accelerate hikes after adding 137,000 bpd in Oct * November hike could be 2 or 3 times the size of October hike * Russia uncomfortable with large hike, source says * Eight OPEC+ countries meet on Sunday (Adds more sources, OPEC statement on X) By Alex Lawler, Olesya Astakhova and Dmitry Zhdannikov LONDON, Sept 30 (Reuters) – OPEC+ may speed up production increases in November from the 137,000 barrels per day hike it made for October at its meeting on Sunday as its leader Saudi Arabia pushes to regain market share, three sources familiar with the talks said. The group has made no final decision yet and member Russia could oppose a larger increase because it is unable to raise output owing to Western sanctions and is worried about weakening seasonal demand, one of the three sourc