UPDATE 1-U.S. drillers add oil rigs for fifth straight week -Baker Hughes

(Adds Permian rigs in paragraphs 3-4) By Scott DiSavino May 4 (Reuters) - U.S. energy companies added oil rigs for a fifth week in a row as they follow through on plans to spend more on drilling this year with higher crude prices boosting their profits and pushing nationwide production to record highs. Drillers added nine oil rigs in the week to May 4, bringing the total count to 834, the highest level since March 2015, General Electric Co's Baker Hughes energy services firm