By the 2nd week of January, US refineries will start to be back in maintenance again. Surprise upside in refinery throughput could push crude builds lower . From last US Crude Oil Inventories 'At 431.1 million barrels, U.S. crude oil inventories are at the five year average for this time of year. Total motor gasoline inventories increased by 9.1 million barrels last week and are about 5% above the five year average for this time of year. Finished gasoline and blending components inventories both increased last week. Distillate fuel inventories increased by 5.3 million barrels last week and are about 8% below the five year average for this time of year. Propane/propylene inventories increased by 0.7 million barrels last week and are about 17% above the five year average for this time of year. Total commercial petroleum inventories increased last week by 14.8 million barrels last week.'