In 2007, according to Petroleum Intelligence Weekly, 70% of world oil production was controlled by national oil companies.

2007年，根据石油情报周刊，世界70%的石油生产被国有石油公司控制。

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Most oil production is now controlled by national oil companies.

目前，大部分石油生产由国家石油公司控制。 这些公司并不像私营生产商那样顺应市场形势变化。

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A small, dark plume along the edge of the slick, not far from the original location of the Deepwater Horizon rig, indicates a possible controlled burn of oil on the ocean surface.

距离深海钻塔的原始位置不远处，一缕小而黑的油膜痕迹，显示海面上石油有可能被控制燃烧。

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Before long, he controlled ninety-five percent of the oil processing industry in the United States.

VOA: special.2010.02.25

The usual summertime correction in oil prices is now setting up risk-controlled buying opportunities for several strong oil-services stocks and a primary sector ETF.

FORBES: Profit from Oil's Seasonal Low

Such worries have been amplified by Argentina's expropriation last month of YPF, a Spanish-controlled oil firm.

ECONOMIST: Brazil��s economy

According to Bernstein Research, Chesapeake would make an excellent acquisition target, especially for Asian state-controlled oil companies.

FORBES: McClendon Out At Chesapeake - Is A Takeover Next?