A pump jack operates at a well site leased by Devon Energy Production Company near Guthrie, Oklahoma September 15, 2015. U.S. oil drillers cut rigs for an eighth week in a row to the lowest level since October 2009, oil services company Baker Hughes Inc said Friday, even with futures at six-month highs as some energy firms focus on completing wells rather than drilling new ones. Drillers cut 10 oil rigs in the week to May 13, bringing the total rig count down to 318, Baker Hughes said in its closely followed report. The number of U.S. oil rigs currently operating compares with the 660 rigs operating in the same week a year ago. In 2015, drillers cut on average 18 oil rigs per week for a total of 963 for the year, the biggest annual decline since at least 1988 amid the biggest rout in crude prices in […]