US oil drillers add most rigs since July 2015

Texas sees biggest gains, with largest boost in Permian basin

二叠纪盆地一台钻机(法新社/SCANPIX 图片)
二叠纪盆地一台钻机(法新社/SCANPIX 图片)
Published 9 December 2016, 18:39Updated 9 December 2016, 18:39