A fleet of docked rigs sits in the Nabors yard in the Port of Iberia,… The number of rigs drilling for oil in the U.S. climbed three in the past week to 428, continuing a trend of increases, according to oil-field services company Baker Hughes Inc. BHI 1.05 % The U.S. oil-rig count is typically viewed as a proxy for activity in the sector. After peaking at 1,609 in October 2014, low oil prices put downward pressure on production and the rig count fell sharply. The oil rig count has generally been rising since the beginning of the summer. The nation’s gas-rig count fell by 2 to 94 in the past week. The U.S. offshore-rig count rose by 1 rigs at 23, which is 9 fewer than a year ago. On Friday, crude oil prices fell following comments from the Russian energy minister that dampened hopes for a broader […]