Oil prices settled higher again on Tuesday, notching a monthly gain of more than 5 percent, but analysts said bullish sentiment that has driven Brent crude to its highest in more than two years could encourage U.S. producers to export more oil. Brent LCOc1 settled up 47 cents or 0.7 percent to $61.37, close to its July 2015 highs reached earlier this week, and up around 37 percent from its 2017 lows hit in June. U.S. West Texas Intermediate crude (WTI) CLc1 settled up 23 cents or 0.4 percent to $54.38, still near its highest since February and close to its highest for more than two years. Traders and brokers said investors were adjusting positions after price rises of around 5 percent in October. […]