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Will a US shale slowdown impact oil prices?

Production from US shale fields is likely to slow, as low oil prices challenge the economics of unconventional drilling, Nick Cunningham writes. But that doesn't mean oil prices will rebound any time soon.

Just last week I wrote on the possibility of a in oil prices, owing to the fact that huge volumes of supplies could potentially come online in places like Iraq, Libya, and Iran. That is still the case.

But let鈥檚 look at the other side of the coin. Despite the surprising resilience of U.S. shale, production could be now entering an extended period of decline. The EIA that output in the major shale regions could decline by 91,000 barrels per day in July.

An ongoing and deeper contraction is likely. The EIA also a dramatic decline in well completions since October of last year. When prices starting falling, especially after the November 2014 OPEC meeting, rigs started vanishing from the field and drilling companies began completing fewer wells.

That is important because shale wells suffer from rapid decline rates in their production profiles. After about the first year, the initial burst of oil largely peters out, and the decline rate is precipitous. As a result, a large number of fresh wells need to constantly be completed just to keep output flat. ()

With the number of well completions down, falling production from wells that were drilled in the past starts to become more obvious. This 鈥渓egacy decline鈥� is now overtaking new production, most likely forcing overall net production to have dipped into negative territory in May.

The volume of legacy declines will only increase as it will increasingly reflect the huge volume of production that came online in 2013 and 2014. All of that recent production won鈥檛 be replaced as drillers sit on the sidelines. That means the decline in total production will only accelerate in the months ahead. ()

To be sure, some of the decline will be offset by the backlog of wells that have been drilled but not completed. This 鈥渇racklog鈥� could be as large as 2,000 to 4,000 wells. That could result in hundreds of thousands of barrels of oil per day in production, the EIA predicts. Much of that could come online as prices rise, keeping production from falling too far.

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On the other hand, there is also the possibility that the EIA has been overestimating U.S. production for quite some time. With state level data showing production declines in and having taken place months ago, the EIA鈥檚 estimate that production continued to rise until May could be overstating things. It is difficult to get an accurate picture of what is going on in the oil patch in real time, as so much of the published data relies on surveying and extrapolation. That data is subsequently revised as time passes, with the picture only really becoming clear months later.

Consequently, production could actually be a lot lower today than we think, meaning the overall supply and demand picture could actually be tighter than it currently appears. As the markets digest this information, prices could rise a bit. Of course, that would only set off a new round of drilling, again capping the potential gains. ()

But of course, a lot hinges on what happens in places that are not driven by such market forces. As I said last week, Iraq, Libya, and Iran could entirely overwhelm the varying scenarios in North Dakota or Texas. If those countries manage to collectively boost output by 1 million barrels per day or more, that would crash prices, even if revised EIA data reveals a sharper contraction in U.S. shale.

Indeed, in the near term, that is almost certainly the case. What happens in the Middle East will have an enormous impact on the oil markets. And of course, the outcome of the Iran negotiations, with a deadline set for June 30, is the most important factor of all. That will be the most influential variable affecting oil markets, at least for the next few weeks.

By Nick Cunningham Of Oilprice.com

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