Has Permian productivity peaked?

The US shale industry might have just received a huge windfall with the nine-month extension of the OPEC cuts. Shale output was already expected to come roaring back this year, but the extension of the cuts provides even more room in the market for shale drillers to step into.

The sky is the limit, it seems. However, there are growing signs that the US shale industry could be reaching the end of the low-hanging fruit. Or, more specifically, drilling costs are starting to rise and the enormous leaps in production that can be obtained by simply adding more rigs also appears to be running into some trouble.

According to the EIA's Drilling Productivity Report, productivity (as opposed to absolute production) is set to fall next month in the Permian Basin. In other words, the average rig will only be able to produce an estimated 630 barrels per day of initial production from a new well, down 10 b/d from the 640 b/d that such a rig might have produced in May. That is convoluted way of saying that the ever-increasing returns on throwing more rigs at the problem might be hitting a ceiling.

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This is a very notable development – it is the first time that the EIA predicts falling well productivity per rig since it began tracking the data several years ago. Still, because the rig count has increased so much, there will still be more production coming out of the Permian. It's just that as drillers gobble up all the best spots to drill, it will become more and more difficult to find easy pickings.

Moreover, simply drilling the wells is only one part of the equation. As Collin Eaton of Fuel Fix notes, companies are drilling wells at a faster pace than contractors can frac them. The shortage of completion crews means that the backlog of drilled but uncompleted wells (DUCs) has shot up over the past year, rising by more than 60 percent to 1,995 in April 2017 from a year earlier.

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The strain on contractors means that drilling costs will also rise. Oilfield service companies bore the brunt of the market downturn over the past three years, forced to slash their rates because of the lack of work. Oil producers have consistently and repeatedly boasted about their "efficiency gains," but much of the cost-savings came from soaking service companies.

That could be at an end. The rise in drilling activity means that oilfield service companies finally have more leverage to hike their prices. The results could be an upswing in costs for producers. Service costs could jump by 20 percent this year, according to an estimate from S&P Global Platts.