Oil prices dip as rising U.S. output could offset OPEC cuts

By Henning Gloystein SINGAPORE (Reuters) - Oil dipped on Tuesday on lingering concerns over global fuel oversupply due to rising U.S. output and doubts that OPEC and other producers would adhere to commitments to cut output in an effort to balance markets and prop up prices. Brent crude futures , the international benchmark for oil prices, were at $55.55 per barrel at 0643 GMT, down 31 cents from their last close. U.S. West Texas Intermediate (WTI) crude futures were down 7 cents at $52.30 per b