U.S. West Texas Intermediate (WTI) crude futures fell 20 cents, or 0.5%, to $37.85 a barrel at 0056 GMT, after climbing 3.5% on Wednesday. U.S. West Texas Intermediate (WTI) crude futures fell 20 cents, or 0.5%, to $37.85 a barrel at 0056 GMT, after climbing 3.5% on Wednesday.