“proven reserves”造句，怎麼用proven reserves造句

Iraq is thought to have one of the world's largest supplies of crude oil, with 115 billion barrels in proven reserves.

Western China has an obvious comparative advantage in mineral resources, with excellent conditions for mineralization, and there are 130 types of minerals with proven reserves.

In 1958, China's geological mineral workers discovered the world's second largest nickel mine in Jinchuan, Gansu, with a reserve of 5.53 million tons, accounting for 70% of China's domestic proven reserves.

Oil rigs and gas flares punctuate the horizon: his oil, 3.2 billion barrels in proven reserves.

The price of natural gas serves as a lever not only to adjust demand, but to encourage increase in proven reserves and production of natural gas.

The only natural resource tapped thus far is oil, of which the south has quite a bit (6.7 billion barrels in proven reserves, or a 40th of Saudi Arabia’s pool).

[font=Times New Roman]James Arnold of Tullow says there are 700m barrels of proven reserves on the Ugandan side.

At present, there are proven reserves Slate, kaolin, dolomite, iron ore and so on.

Some speculate that, Congo included, the entire Albertine basin may yield even more than Sudan's 6 billion barrels of proven reserves.