Published on 21 Aug 2005 by New York Times. Archived on 21 Aug 2005.
The Breaking Point
by Peter Maas
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The largest oil terminal in the world, Ras Tanura, is located on the eastern coast of Saudi Arabia, along the Persian Gulf. From Ras Tanura's control tower, you can see the classic totems of oil's dominion -- supertankers coming and going, row upon row of storage tanks and miles and miles of pipes. Ras Tanura, which I visited in June, is the funnel through which nearly 10 percent of the world's daily supply of petroleum flows. Standing in the control tower, you are surrounded by more than 50 million barrels of oil, yet not a drop can be seen.
The oil is there, of course. In a technological sleight of hand, oil can be extracted from the deserts of Arabia, processed to get rid of water and gas, sent through pipelines to a terminal on the gulf, loaded onto a supertanker and shipped to a port thousands of miles away, then run through a refinery and poured into a tanker truck that delivers it to a suburban gas station, where it is pumped into an S.U.V. -- all without anyone's actually glimpsing the stuff. So long as there is enough oil to fuel the global economy, it is not only out of sight but also out of mind, at least for consumers.
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This process is unpredictable; reservoirs are extremely temperamental. If too much oil is extracted too quickly or if the wrong types or amounts of secondary efforts are employed, the amount of oil that can be recovered from a field can be greatly reduced; this is known in the oil world as ''damaging a reservoir.'' A widely cited example is Oman: in 2001, its daily production reached more than 960,000 barrels, but then suddenly declined, despite the use of advanced technologies. Today, Oman produces 785,000 barrels of oil a day. Herman Franssen, a consultant who worked in Oman for a decade, sees that country's experience as a possible lesson in the limits of technology for other producers that try to increase or maintain high levels of output. ''They reached a million barrels a day, and then a few years later production collapsed,'' Franssen said in a phone interview. ''They used all these new technologies, but they haven't been able to stop the decline yet.''
The vague production and reserve data that gets published does not begin to tell the whole story of an oil field's health, production potential or even its size. For a clear-as-possible picture of a country's oil situation, you need to know what is happening in each field -- how many wells it has, how much oil each well is producing, what recovery methods are being used and how long they've been used and the trend line since the field went into production. Data of that sort are typically not released by state-owned companies like Saudi Aramco.
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