U.S. drillers add oil rigs for sixth consecutive week -Baker Hughes

By Scott DiSavino May 11 (Reuters) - U.S. energy companies added oil rigs for a sixth week in a row as crude prices continue to soar to multi-year highs after new sanctions on Iran are anticipated to take some supply out of the market, further supporting U.S. drilling and pushing production to record highs. Drillers added 10 oil rigs in the week to May 11, bringing the total count to 844, the highest level since March 2015, General Electric Co's Baker Hughes energy services fi