UPDATE 1-U.S. drillers add the most oil rigs since July 2015 - Baker Hughes

(Adds Permian rig additions) Dec 9 (Reuters) - U.S. energy companies this week added the most oil rigs since July 2015, extending the seven-month drilling recovery as crude prices rose to a near 17-month high. Drillers added 21 oil rigs in the week to Dec. 9, bringing the total count up to 498, the most since January, but still below the 524 rigs seen a year ago, energy services firm Baker Hughes Inc said on Friday. Since crude prices briefly recovered from