Oil prices dipped on Monday as a rising U.S. rig count implied further increases in output, marking one of the few factors tamping back crude in an otherwise bullish environment. Brent crude futures were at $73.91 per barrel at 0630 GMT, down 15 cents, or 0.2 percent from their last close. U.S. West Texas Intermediate (WTI) crude futures were down 18 cents, or 0.3 percent, at $68.22 a barrel. “We expect for oil prices to recede slightly today as market anticipates on the prospect of rising production in the U.S.,” Singapore-based Phillip Futures said on Monday. U.S. drillers added five rigs drilling for new production in the week ended April 20, bringing the total to 820, the highest since March 2015, according Baker Hughes energy services firm. […]