By Stephanie Kelly NEW YORK (Reuters) -Oil prices slipped Friday after sharp rises early in the session on concern over potential global supply disruptions from sanctions on major crude exporter Russia. The April Brent crude futures contract was down fell $1.15, or 1.2%, to settle at $97.93 a barrel, after climbing as high as $101.99. The more active May contract shed $1.30, or 1.4%, to $94.12. U.S. West Texas Intermediate (WTI) crude fell $1.22, or 1.3%, to settle at $91.59 a barrel, after hitting a session high of $95.64. For the week, Brent rose about 4.7%, while WTI was on track to rise ab…