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U.S. Shale’s Glory Days Are Numbered

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There are some early signs that the U.S. shale industry is starting to show its age, with depletion rates on the rise, reported OilPrice.com.

A study from Wood Mackenzie found that some wells in the Permian Wolfcamp were suffering from decline rates at or above 15 percent after five years, much higher than the 5 to 10 percent originally anticipated. “If you were expecting a well to hit the normal 6 or 8 percent after five years, and you start seeing a 12 percent decline, this becomes more of a reserves issue than an economics issue,” said R.T. Dukes, a director at industry consultant Wood Mackenzie Ltd., according to Bloomberg. As a result, “you have to grow activity year over year, or it gets harder and harder to offset declines.”

Moreover, shale wells fizzle out much faster than major offshore oil fields, which is significant because the boom in shale drilling over the past few years means that there is more depletion in absolute terms than ever before. A slowdown in drilling will mean that depletion starts to become a serious problem.

A separate study from Goldman Sachs takes a deep look at whether or not the shale industry is starting to see the effects of age. The investment bank says the average life span for “the most transformative areas of global oil supply” is between 7 and 15 years.

Examples of these rapid growth periods include the USSR in the 1960s-1970s, Mexico and the North Sea in the late 1970s-1980s, Venezuela’s heavy oil production in the 1990s, Brazil in the early 2000s, and U.S. shale and Canada’s oil sands in the 2010s. Each had their period in the limelight, but ultimately many of them plateaued and entered an extended period of decline, though some suffering steeper declines than others.

U.S. shale is entering the lower end of this range at about 7 years. While shale is still growing, there are some signs that the “Shale Tail,” which Goldman says is “the phase when shale becomes a less meaningful driver of global oil supply,” may not be that far off.

Goldman lays out the five signals to watch out for, which would indicate that the glory days of shale are over. Although Goldman says the real trouble may be a few years off, there is some evidence that some of those dynamics are beginning to occur. The investment bank offers a breakdown as follows:

1. When inventory is being revised down, not up. This is already occurring in some areas, such as the Eagle Ford. Goldman notes that EOG Resources’ inventory fell in the Eagle Ford in the second quarter, with the company having drilled more wells than it added in new areas.

2. When well productivity stops improving. This one is inconclusive although perhaps it is beginning to become a concern. Goldman notes that the industry posed explosive productivity gains in 2017, but those gains slowed this year. Decline rates have accelerated in the Eagle Ford and Delaware Basin, but in the aggregate, there may still be some room for improvement for a little while.

3. When supply cost rises for structural reasons. Costs have climbed recently, but largely because of cyclical reasons, Goldman argues. High rates of drilling have created bottlenecks and pushed up costs, but those would come down if the cycle soured. It is still early for this metric.

4. When capital shifts to other regions. This looks the least threatening of the five warning signs. U.S. shale remains a top priority and the oil majors have stepped up their spending in shale, pivoting out of other regions. Spending on non-OPEC non-shale crashed post-2014 and hasn’t recovered. There has been some shifting of capital within shale plays – such as from the Permian to the Eagle Ford and the Bakken – but this is mostly due to pipeline constraints.

5. When growth is no longer impactful/meaningful (lagging indicator). Goldman Sachs still sees U.S. shale adding 1 million bpd+ at least through 2020. This indicator won’t become clear until the production gains actually start slowing down.
Related: Are Natural Gas Prices Set To Spike?

The investment bank says that shale-focused companies are still a solid bet through the early 2020s, and it singles out companies like Concho Resources or Pioneer Natural Resources, two large Permian drillers. But by 2025, shale E&Ps will begin to see their stars fade.

At that point, Goldman warns investors to pivot out of shale pure-play companies and focus either on diversified companies that have assets outside of shale, or on the integrated oil majors. “[W]e believe future resource additions outside shale deemed low on the cost curve will likely be positively received by investors,” Goldman stated, citing Hess Corp. as a company that might fit this description because of the huge oil fields it is developing with ExxonMobil in offshore Guyana.

Put another way, depletion will become “a greater theme” in the future, so companies that are sitting on assets that deplete quickly will fall out of favor. Those that can stave off declines will fare much better.

The investment bank still expects U.S. shale to add around 1 million barrels per day each year through 2021 at least. But with early signs of strain, limits on productivity and steeper decline rates, it is clear that the industry’s glory days are numbered.

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