U.S. energy companies added oil rigs for the first time in three weeks, energy services firm Baker Hughes reported on Friday, while the rig count inched up this month as drilling steadied over the last three months. A drilling rig on a lease owned by Oasis Petroleum performs logging operations in the Permian Basin oil and natural gas producing area near Wink, Texas U.S. August 22, 2018. Picture taken August 22, 2018. REUTERS/Nick Oxford Drillers added two oil rigs in the week to Aug. 31, bringing the total count to 862, the General Electric Co unit said in its closely followed report. The oil rig count rose by one in August after gaining three rigs in July and losing one in June. U.S. crude futures were on track to post their second straight weekly gain on concerns about an expected fall in supply from Iran due to […]