Drillers Extend Revival as Oil Trades Near 17-Month High

An American flag flies at a refinery in Kentucky

Luke Sharrett/Bloomberg
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Oil explorers added rigs for the eighth straight week, extending a ramp-up of activity in the U.S. shale patch as prices hover near $53 a barrel.

Rigs targeting crude in the U.S. rose by 13 to 523 this week, Baker Hughes Inc. said Friday. Drillers have added 207 rigs since the count hit a seven-year low on May 27.