Beyond the Ural Mountains stretches the West Siberian plain.

乌拉尔山脉以东是西西伯利亚平原。

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There exist 249 giant and large oil-gas fields in West Siberian province, with over 90% reserves of the total.

西西伯利亚含油气省共有巨型和大型油气田249个，其油气储量占了含油气省总储量的90%以上。

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More than half the oil reserves are believed to occur in three geologic areas - the West Siberian Basin, the East Barents Basins and Arctic Alaska.

一般认为，超过一半的石油储量分布在3个地理区域——西西伯利亚盆地，东白令盆地以及阿拉斯加的北极圈以内地区。

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It needs Arctic production to offset the decline in its main west Siberian oil fields.

ECONOMIST: Resources: Hidden treasure | The

In the case of the Siberian gas pipeline project, Moscow was well aware of the inordinate West European dependency on Soviet natural gas supplies -- ultimately projected to exceed 60% of total European gas consumption -- which would have resulted from the successful completion of both strands of the twin 3, 600-mile pipelines connected to the West European gas grid.

CENTERFORSECURITYPOLICY: CUBA AND THE JURAGUA NUCLEAR POWER COMPLEX