Case study No. 1 is in North Dakota, where, just eight years ago, a rock formation known as the Bakken, a couple of miles underground, was producing a measly 10,000 barrels of oil per day. Today, it yields almost half a million barrels per day, turning North Dakota into the fourth-largest oil-producing state in the country, as well as the state with the lowest unemployment rate.
Similar development is taking place in other parts of the country, including South Texas and West Texas. Altogether, tight oil production is growing very fast. The total output in the United States was just 200,000 barrels per day in 2000. Around 2020, it could reach 3 million barrels per day — a third of the total U.S. oil production. (And that is a conservative estimate; others are much higher.)
Together, these three developments will radically alter the global flow of oil. The Western Hemisphere will still require supplies from the rest of the world, but not to the same degree — and certainly nowhere near the growing amounts forecast just a few years ago. The need could fall by as much as half by 2020, which will mean declining imports from the Middle East and West Africa.
Oil that would have gone west from those regions will instead flow in increasing volumes to the east — to the booming emerging markets of Asia. And those markets will be in urgent need of additional supplies. China, which today consumes half as much oil as the United States, could by the beginning of the next decade overtake America as the world’s largest oil consumer. All of this points to a major geopolitical shift, with Asian economies having an increasing stake in the stability of Mideast oil supplies. It also raises a very significant question over the next several years: How will responsibility be shared among the great powers for the stability of the Persian Gulf?
For the United States, these new sources of supply add to energy security in ways that were not anticipated. There is only one world oil market, so the United States — like other countries — will still be vulnerable to disruptions, and the sheer size of the oil resources in the Persian Gulf will continue to make the region strategically important for the world economy. But the new sources closer to home will make our supply system more resilient. For the Western Hemisphere, the shift means that more oil will flow north to south and south to north, rather than east to west. All this demonstrates how innovation is redrawing the map of world oil — and remaking our energy future.
outlook@washpost.com
Daniel Yergin is chairman of IHS Cambridge Energy Research Associates and the author of “The Quest: Energy, Security, and the Remaking of the Modern World.”
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