The biggest retreat from U.S. oil fields on record is showing signs of subsiding. Oil explorers sidelined 41 drilling rigs this week, the smallest drop in three weeks and down from the average 59-rig decline in February. The count has fallen for 15 straight weeks to 825, reaching the lowest level in more than five years, Baker Hughes Inc. said on its website Friday. The country has lost an unprecedented 750 oil rigs in the past 15 weeks as collapsing prices force drillers to let go of thousands of workers and retreat from shale formations. The slide in the rig count threatens to bring to a halt the oil production boom that turned the U.S. into the world’s largest fuel exporter. “While we’re still going to see declines on a weekly basis, the retreat is definitely losing steam,” James Williams, president of energy consulting company WTRG Economics, […]