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A TALE
OF TWO CRUDES
by Elliott H.
Gue
Editor, The Energy
Letter
April 27, 2007
I’ve
received considerable e-mail from The
Energy Letter subscribers asking about a rather unusual
phenomenon in the crude oil markets today: a massive, unusual divergence
between the prices of two of the world's most-popular crude oil
benchmarks, Brent and West Texas Intermediate (WTI).
As it turns out, this was a major topic covered in the most-recent issue
of my subscription-based newsletter, The
Energy Strategist (
www.energystrategist.com).
The explanation of this divergence also reveals signs of underlying
strength in global oil demand. I’ve reproduced that analysis below:
Premium Event
One of the most unusual and interesting developments in the past two
months has been the stark divergence in performance between two of the
most common crude oil benchmarks in the world--WTI and Brent crude.
To make a long story short, Brent is a slightly lesser grade of oil than
WTI. Both oils are considered light, sweet crudes, but standard Brent
has an American Petroleum Institute (API) gravity of about 38.1 degrees
and a sulphur content of 0.39 percent. In contrast, WTI has an API
gravity of 40 degrees and a sulphur content of 0.3 percent.
This is one reason why WTI has historically traded at a slight premium
price to Brent. In fact, based on the past seven years of data, WTI has
averaged a premium of $1.72 to Brent. Check out the chart below.

Source: Bloomberg
The
chart above shows the premium of WTI over Brent in terms of dollars per
barrel based on weekly data going back to April 2000. The solid line
shows that average premium of about $1.72.
As you can see, prior to 2006 there were a few short-lived spikes when
the price of Brent temporarily exceeded WTI. But the action in the past
year looks notably different: Brent has moved to a premium on several
occasions.
Since the beginning of 2007, that pattern has become even more notable;
Brent has been trading at an ever-widening premium to WTI. That premium
now exceeds $4 per barrel, a far cry from the normal discount of $1.72.
At first blush, this doesn't appear to make much sense. If Brent is a
slightly inferior crude, then it should trade at a slight discount. If
we factor in current US gasoline prices and current prices for Brent and
WTI, it’s clear that US refiners would prefer to refine WTI over Brent
right now. That's because the crack spread on a barrel of WTI is roughly
$6 more than for a barrel of Brent.
This is why historically whenever Brent has traded at a premium, that
premium has closed quickly. When Brent trades at a significant premium
to WTI, US refiners start refining more WTI (and other types of crude)
and less Brent. This reduces demand for Brent and pushes up demand for
WTI, putting downward pressure on Brent prices relative to WTI.
This is a fancy way of saying that the relationship between Brent and
WTI tends to be stabilized over time because of simple market forces. In
the past, these temporary inversions of the normal WTI/Brent premium
have been caused by short-lived supply disruptions.
Recent experience, however, suggests that other factors have entered the
equation. There are obviously more forces at work in the crude oil
market than just the quality of the crude and current refining
economics. This enigma can be explained when you consider where these
crudes come from and how they're priced.
Major oil producers including Russia and Nigeria use Brent as a
benchmark for pricing the crude they produce. In total, it's estimated
that a little more than 20 million barrels of daily oil production are
priced using Brent as a benchmark; it's a key crude blend for the
European market and, to some extent, for Asia.
In contrast, WTI has historically been more of a US crude oil basket.
Not only is it used as the basis for US-traded oil futures, but it’s
also a key benchmark for US production. Therefore, WTI more closely
reflects US supply/demand fundamentals, while Brent tends to be more
influenced by global events and international supply/demand
fundamentals.
Of course, traditionally the US and global oil markets have been closely
related; the US is, after all, still the world's single-largest consumer
of crude oil, as well as the largest importer. But right now, there are
some very real reasons this traditional relationship has shifted. To
understand this, you need to examine the current oil and gasoline demand
situation in the US as it compares to the rest of the world.
An American Story
According to the latest Oil Market Report, released by the International
Energy Agency on April 12, US gasoline demand is unusually strong right
now. US gasoline demand averaged 9.4 million barrels a day during the
four weeks through April 6, roughly 2.5 percent above the same levels
last year. This is nearly double the long-term average pace of annual
gasoline demand growth.
That demand growth is impressive when you consider that retail gasoline
prices have been rising steadily since January. In the West, prices are
already rising above $3 per gallon, yet there's little sign of slowing
gasoline demand.
This situation is clearly visible when you consider the big shortage
developing in US gasoline inventories as we enter the run-up to the peak
demand summer driving season. Take a look at the chart below.

Source: Energy
Information Administration, Bloomberg
This chart uses data going back five years. I’ve included four lines
showing the maximum, minimum, 2007 year-to-date and average US gasoline
inventories during this five year-period.
It's clear that 2007 gasoline inventories were at the high end of the
historic range for the first few weeks of the year. In fact, for much of
January, inventories were actually above the maximum levels recorded in
any year going back to 2002.
But that's all changed. In the past nine weeks, inventories of gasoline
have fallen precipitously; current gasoline inventories are way below
average for this time of year. Even more interesting, those inventories
are actually continuing to fall quickly during a season when US refiners
typically build their inventories.
And I'm not adjusting these figures to account for the
higher-than-normal gasoline demand in the US right now; these are raw
inventory figures from the Energy Information Administration (EIA). If
we adjusted for the recent, sustained, heightened demand, the inventory
picture for gasoline would look even more bullish.
In addition to far stronger-than-normal gasoline demand, gasoline prices
are also rising because of reduced output from US refineries. A series
of refinery accidents, fires and outages have severely curtailed
refinery output so far in 2007. The best measure of this is refinery
utilization, a measure of what percentage of total US refining capacity
is currently working.
Simply put, the higher the percentage, the more petrol that’s flowing
out of refineries. Check out this seasonal chart of refinery utilization
below. Just as with the chart of gasoline inventories, this chart is
based on the past five years worth of data. I’ve once again depicted
the maximum, minimum, and average capacity utilization data in this
five-year history. I’ve also overlaid the current year-to-date (2007)
utilization numbers.

Source: EIA,
Bloomberg
What's clear here is that refinery utilization has remained far below
average this year because of these ongoing refinery outages. This means
even though American consumers are demanding more gasoline and diesel
than normal this year, US refineries aren't able to produce enough gas
to meet that demand. A powerful combination of both strong demand and
weak refinery utilization is behind that precipitous drop in
inventories.
Of course, the one commodity that's not in short supply in the US right
now is crude oil. Check out the chart of current US crude oil
inventories.

Source: EIA,
Bloomberg
This chart is identical in construction to both the gasoline inventory
and capacity utilization charts. What really jumps out from this chart
is that US crude oil inventories are above average for this time of
year; the US has plenty of oil in storage. In fact, US inventories set
new five-year highs several weeks earlier this year before flattening
out more recently.
The large inventories of crude oil in the US have absolutely nothing to
do with weak demand. It's the refiners that use crude oil, not consumers
directly. You don't fill your car with crude oil; you fill it with
gasoline. Refiners buy crude oil to make gasoline and other refined
products.
The reason that oil inventories are so high right now is simply that the
nation's refiners aren't working at anything close to normal capacity;
therefore, they're not refining all the crude inventoried to make
gasoline.
Don't make the mistake of thinking that high US crude oil inventories
are a symptom of a weakening US economy, the latest subprime bust or any
other macroeconomic problem. The true demand picture in the US is
revealed by the gasoline market. Gasoline demand is high, and
inventories are falling at the fastest pace in many years. The broken
link that's causing crude oil inventories to build domestically is the
refiners.
These factors bring us back to the WTI/Brent spread paradox mentioned
earlier in the intro. You can clearly see why US oil
demand is relatively low: Refiners already have plenty of oil and are
unable to refine it fast enough to meet demand.
As I noted earlier, the price of WTI is heavily influenced by the
picture for US crude oil supply and demand. The current high inventories
of crude are weighing on WTI prices.
The Global Picture
Globally, the supply/demand situation for the crude oil markets is
different. Total crude and refined products stocks in the Organisation
for Economic Co-operation and Development (OECD) countries—the
developed world--fell by about 80.5 million barrels in February.
In addition, according to preliminary data for March, inventories
continued to decline in the OECD in a season when inventories typically
build. The IEA estimates that total stocks in the US, Europe and Japan
declined at a rate of more than 1 million barrels per day throughout the
first quarter of the year--a higher-than-average decline for that time
of year.
But what's even more bullish is the global supply picture for oil.
According to the IEA, March oil output from OPEC totaled about 30.1
million barrels, a further 165,000 barrels per day cut from February
levels. When you factor Angola--a new OPEC member in January--out of the
equation, it's the lowest output from OPEC since January 2005. The IEA
has reiterated the fact that OPEC's current oil output isn’t high
enough to allow global oil importers to build their crude stocks ahead
of the summer driving season.
Once
again, the fundamentals of strong growth in demand, coupled with static
to falling supplies, are supporting higher global oil prices. Add in
continued unrest and weak output from Nigeria, terrorist attacks in
Algeria and tension in the Middle East, and there are plenty of reasons
to be concerned that supplies could be cut even further from current
anemic levels.
This scenario brings us back to the Brent/WTI premium. Brent prices tend
to be influenced more strongly by global supply-and-demand fundamentals
than WTI. Global stocks of refined products and oil are low; there's no
crude oil inventory overhang as in the US.
OPEC production is also falling, raising the specter that oil
inventories in Europe and Asia won’t see a strong seasonal build-up
this spring. The current tighter supply/demand environment accounts for
Brent's unusual premium valuation to WTI.
When you couple the tight global supply/demand balance with the unusual
refiner-induced crude build in the U.S, it's easy to see why Brent/WTI
prices are acting so unusually.
What This All Means
The scenario I just outlined is extremely bullish for crude oil and
refined products prices. However, the temporary weakness in WTI relative
to Brent is significantly obfuscating this bullish picture for many
US-based investors.
I’m looking for WTI prices to rise back to their traditional premium
to Brent in the next few months. I’m also looking for both benchmark
oil prices to rise well into the $70s per barrel by midsummer; I’m
basing this projection not on any sort of one-off geopolitical event but
simply on tightening supplies and rising demand.
Consider that US gasoline stocks are already ultra-low and dropping
counter seasonally. To meet surging US gasoline demand, refiners will
need to accelerate their gasoline production soon as the period of peak
demand is now only a couple months away. With gasoline demand already
strong, it looks like this could be another stronger-than-normal summer
driving season.
Already some of the idled refineries are coming back on line, albeit at
reduced capacity levels. Other refineries that have been undergoing
prolonged maintenance this spring are also finally starting to produce
gasoline. Think about the current situation from the refiners'
perspective: They're looking at strong gasoline prices and some of the
strongest refining economics in years.
They're also looking at rapidly falling gasoline inventories that will
approach dangerous levels soon if the drawdown continues. US refiners
are behind on demand and looking at a very profitable refining
environment; they're going to produce at the maximum pace possible this
spring. We're seeing the very early innings of this right now with
refinery capacity utilization slowly ticking higher from low levels.
By definition, as refiners start producing gasoline, they'll be using up
those crude stocks that have kept a lid on WTI prices this year. In
fact, those stocks should draw down rapidly as the nation's refiners
shift into high gear for summer. If, as I expect, gasoline demand
remains solid, those inventories could quickly drop below average
levels.
But with US oil benchmark (WTI) prices below prevailing international
benchmark (Brent) levels, US refiners are going to have trouble finding
any oil to import; better oil prices are available internationally than
in the US. Of course, there are certain oil supplies (such as Venezuelan
heavy crude) that are relatively captive to the US market. However, with
WTI prices so far under international levels, it will be tough for the
US to attract additional barrels.
It's simple economics: If the US is going to attract imports, US
benchmark prices will need to rise toward international levels and WTI
will have to close its discount to Brent.
Moreover, as US crude inventories start to draw lower and the nation
begins importing again in earnest, this will represent another wall of
demand for the international crude oil markets. In other words, strong
US gasoline demand will eventually represent a strong draw on global
crude oil supplies. Those supplies are already tight, and OPEC shows no
sign of letting up on its campaign to cut output.
All told, I see this as a recipe for a significant rally in crude. In
addition, such an environment is bullish for oil exploration and
production activity levels. We’ve seen no letup in the red-hot pace of
international drilling and exploration activity; I expect no such
slowdown to develop. In fact, if anything, the current environment
should accelerate global oilfield activity.
Speaking
Gigs
I'd
like to extend an invitation to all subscribers to join me in New York
City on May 14-15 for the New York Hard Assets Conference at the
Marriott Marquis on Times Square. There are some excellent speakers on
the roster this year, and as always, I’m looking forward to meeting
and speaking to subscribers. For more information and free registration,
visit www.iiconf.com.
Be sure to tell them I sent you.
Elliott H. Gue is editor of The
Energy Letter.

© 2007 Elliott H. Gue
Editorial Archive

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