Filled oil drums are seen at Royal Dutch Shell Plc’s lubricants blending plant in the town of Torzhok, north-west of Tver, November 7, 2014. Oil prices slipped after gains earlier on Thursday and the previous day as overproduction and large volumes of unsold crude and ample refined products around the world weighed on markets. Brent crude futures were trading at $42.77 a barrel at 0942 GMT, down 33 cents from their last close and down from an intra-day high of $43.65 a barrel. U.S. West Texas Intermediate (WTI) crude futures were trading at $40.69 per barrel, down 14 cents, and after hitting an intra-day high of $41.41 per barrel and rising 3.3 percent in the previous session. “Prices began to recover following the publication of the U.S. inventory data [on Wednesday], and continued to do so into the morning,” Commerzbank said in a note. U.S. gasoline stocks dropped 3.26 […]