Energy Production
Committee
Understanding the Petroleum Industry
Price Overview | Demand |
Supply | Trade and
Imports | Refining | Stocks
What's Hot: Demand | Supply
| Trade and Imports | Refining
| Stocks
- At any level, global, national etc., primary inventories are the
inventories that correspond to the supply and demand data. The difference between supply
and demand in a particular time period equates to the change in primary stocks over that
period.
- Secondary and tertiary stocks are stocks held in the distribution system
beyond the points at which demand and supply are measured. They therefore include, for
example, gasoline in the tanks of automobiles. Changes in secondary and tertiary stocks
are subsumed into the changes in supply and demand, and only rarely reported. However, by
their distortions of either supply or, more often, of demand, they can still play a role
in the oil market and in determining prices.
- The Asian crisis demonstrated this. Its plummeting exchange rates, savage
credit squeeze and widespread bankruptcies caused consumer stocks in countries like S.
Korea and Thailand to be slashed to unprecedentedly low levels. Use of these stocks pushed
demand even lower than the economic collapse itself was doing, causing a larger, faster
build up of reported stocks, and exacerbating the winter 97/98 slide in oil prices.
- Or remember how panicking consumers, trying to keep their tanks full,
exacerbated the gas lines triggered by the 1973 Arab oil embargo? If all the gas tanks in
todays fleet of 200 million U.S. automobiles and light trucks were suddenly being
kept 90% rather than a half full, that would abruptly pull an additional 30 million
barrels out of the supply system -- the equivalent of over 3½ days of U.S. gasoline
consumption.
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- The key futures market differential is the spread between the price in
the "prompt" or nearest month for a particular crude or product and its price in
some "outer" or later month. When a market is in surplus, supplies available
promptly sell for a discount. In this situation, where current or prompt supplies are
lower priced than the supplies available for future delivery, the market is said to be in contango.
When the market is tight or undersupplied, there is a premium for prompt barrels. In this
situation, where today's supplies are lower priced than tomorrow's, the market is said to
be in backwardation. The contango market encourages storage; the
backwardated market discourages it.
- A contango market provides a low-risk or even a no-risk way to build
stocks, because a company can lock in a profit by putting oil into inventory and
simultaneously selling an equal volume of futures contracts for some later month. To start
the process, the contango has to be large enough to cover the cost of the working capital
incurred in holding stocks (plus any costs associated with the financial instrument). If
the surplus is too large to be absorbed in this way, then the contango will widen further,
to draw other players, such as those that rent storage, into the storage game.
- Once the surplus has been contained, the process will reverse. The
contango will start to shrink, shrinking the number of players that can justify building
stocks and so slowing down the build. Eventually the contango will be too small or will
have been replaced by backwardation. Then, the build will turn into a draw, because
holding stock will have been transformed from a low/no risk to a high risk activity.
- Because the NYMEX provides the most actively traded family of oil market
futures contracts -- West Texas Intermediate crude oil at Cushing, OK, and distillate and
gasoline in New York Harbor -- and third party storage is readily available, the market
with the most effective hedge is the U.S.
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- The strongly-held, consensus view was that the proliferation of specialty
products like RFG would more than offset the stock-reducing benefits of industry
restructuring, resulting in a net increase in product tankage and, therefore, in stocks.
The record-setting lows reached by both distillate and gasoline stocks in 1996 proved this
view wrong.
- What the consensus misjudged was the downstream industrys
determination to contain operating costs, especially as it became increasingly clear that
specialty products were just higher in quality, not in profitability. Consequently,
instead of adding tankage in a business-as-usual response, the industry aggressively
adopted a trade-off between overhead and both flexibility and independence. Changes
included:
- sharing terminals, so others could be closed;
- increasing the use of product exchanges, so each company individually
carries fewer grades but can still supply a full range;
- offering fewer (usually the higher quality) grade choices in certain
markets, e.g. low instead of low and high S diesel;
- moving blending as far downstream as possible, e.g. blending mid-grade
gasoline as it is delivered into tank trucks rather than storing it as an extra grade at
terminals; or moving oxygenate blending from the refinery to the terminal/blender.
- The thrust to ever tighter gasoline regulations is contributing to
lowering the average level of discretionary gasoline stocks in the U.S. Firstly, since one
seasons gasoline now frequently cannot be used during the next season, the optimum
level of summer gasoline at the end of the summer, and winter gasoline at the end of the
winter, has fallen to minimum operating levels for many companies. Secondly, the
regulations and their penalty regime discourage some companies from holding U.S. gasoline
stocks on U.S. soil. Thus, fluctuations in discretionary stocks of gasoline are less than
they used to be, and large, late season fluctuation in demand can have a
disproportionately large impact on price.
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Stocks Chapter
- See also, Specialty
Products and Market Fragmentation, from the Demand Side
- See also, Specialty
Products and Market Fragmentation, from the Refining Side
- See also, Specialty
Products and Market Fragmentation, from the Trade/Import Side
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