Alaskas Piping line
A prize of $ 9 billion oil pipeline in Alaska, is the most expensive private financing of construction projects in history. In agreement with its grandeur and refinement technique, he never precedent Engineering, financial, environmental and legal headaches. All have not been reduced; surprising that, given the USA pinch of energy, pipeline operators are most unsafe where they can all players in the oil market, as the transport of the line (it was even some question of delivery Japan). Yet this week, almost a decade after the project design and more than three years after the start of construction of the pipeline in Alaska starts with its first oil by nearly 800 miles of wildlife prohibit, from Prudhoe Bay, north of the Arctic Circle, on the hot-water port of Valdez, which lies 120 km east of Anchorage.
It is a slow, carefully monitored travel. First, 6 million cu. ft. of nitrogen are blown by the pipeline to clean the air in the system, reducing the threat posed by steam explosions of oil. Following a cylindrical connector, such as “pig”, is removed from the line. Finally, after a signal Valdez, worker opens the floodgates of Prudhoe, so long suppressed crude oil to the occupation of the line behind the pig. The removal of oil is pushing the pig by 48-inch diameter steel wire to 1 mph How are you, the cylinders to push the tube, can not deny that each be included (for example tools to let workers vergesslich) and emit emits a beep indicating their location. Eight pumping stations contribute to oil production along push pork and walking is accompanied by inspection crews cylinders, examining their signals.
Oil above or below 800 rivers and rivers, including the Yukon. It is 4800 feet in the Brooks Mountain Range, shot down east of Fairbanks, 3300 m climb in the Alaska Range and, finally, file a half-million barrels. Valdez in the storage tanks required for loading tankers. The trip lasts a month, when more than boredom. But if everything goes well, a continuous ribbon of oil-9 million barrels. only to fill the pipeline should be of the entire Alaskan tundra in mid-July. The flow will gradually intensified and reached 600000 barrels. daily until August, 1.2 million barrels. in October.
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