Gain marks fourth straight weekly rise, Baker Hughes data show Analyst says momentum may slow as oil prices resume slide U.S. oil producers continue to revive drilling in the shale patch, adding rigs for the fourth consecutive week in the longest streak of increases since August. Rigs targeting crude in the U.S. rose by 14 to 371, after 27 had already been added since the start of the month, Baker Hughes Inc. said on its website Friday. Natural gas rigs declined by 1 to 88, bringing the total for oil and gas up by 15 to 462. “The North America market has turned,” Dave Lesar, chief executive officer at Halliburton, told analysts and investors earlier this week on a conference call. “We expect to see a continued modest uptick in the U.S. rig count during the second half of the year.” Still, the increase in drilling may not have […]