This week,government scientists raised their estimate of the leak to between thirty-five and sixty thousand barrels of oil each day.

VOA: special.2010.06.19

But the oil is processed and exported -- at least for now -- from Port Sudan in the north.

VOA: special.2011.01.08

In nineteen twenty-eight, he got a job flying the plane that belonged to a rich oil producer from Oklahoma.

VOA: special.2009.03.18

Those issues also include where to draw the more than two-thousand-kilometer-long border and how to share oil money.

VOA: special.2011.06.04

Oil and gas was found in nineteen sixty-eight near Prudhoe Bay on the North Slope of Alaska.

VOA: special.2009.03.02

However,brown rice does not last as long as white rice because of the oil-rich layer of bran.

VOA: special.2010.06.30

But twenty years ago, in March of nineteen eighty-nine, the tanker ship Exxon Valdez created a huge oil spill along the Alaskan coast.

VOA: special.2009.03.02

But this week, Mr.Obama could report apparent success in a different sort of battle -- against the largest accidental oil spill ever at sea.

VOA: special.2010.08.07

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

VOA: special.2010.02.25

In nineteen thirty-eight, Adair got his first oil-related job with the Otis Pressure Control Company.

VOA: special.2009.03.22

Ms.Casey-Lefkowitz says it would carry the oil more than three thousand kilometers, crossing the central United States -- and the Ogallala -- for processing in Texas.

VOA: special.2011.07.08

Natural micro-organisms in the water helped eat the oil and clean up the spill.

VOA: special.2011.04.23

Her nineteen-part series was called The History of the Standard Oil Company.

VOA: special.2010.04.25

Crews then turned to placing a cap over the pipe -- not to stop it, but to direct at least some of the oil to ships on the surface.

VOA: special.2010.06.04