SINGAPORE—Oil prices rose on Friday on growing signs of tightness in U.S. markets after Hurricane Ida hit offshore output, although benchmarks were heading for weekly losses of about 1 percent after China announced plans to sell crude from its strategic reserves. Brent crude futures for November rose 44 cents, or 0.6 percent, to $71.89 a barrel by 0324 GMT. U.S. West Texas Intermediate (WTI) crude futures for October was at $68.49 a barrel, up 35 cents, or 0.5 percent. Brent is headed for a second straight weekly loss. Both contracts fell more than 1 percent to settle at their lowest since Aug. 26 on Thursday after China said it would release crude oil reserves to the market via public auction to ease the pressure of high feedstock costs on domestic refiners, in a move that was described as a first. Some analysts said the announcement had likely been made to …