The latest Drilling Productivity Report (DPR) of the US government’s Energy Information Administration, released 12 June, indicates that the EIA expects collective output from seven key US shale formations to continue growing strongly in June and July, with the Permian leading the way.

But productivity for new Permian wells is falling – indicative of the fact that as drilling activity has ramped up rapidly, lower quality rigs are being pressed into service and drilling has moved beyond the ‘sweet spots’. (CONTINUED - 1201 WORDS)