But for states with lots of offshore oil rigs, the windfalls soon add up.

但是，拥有的海上钻塔数量越多，就越能大发横财。

Yep. And you know who has offshore rigs?

没错 你知道谁拥有海上钻井平台吗？

Within five years oil firms will be reefing one offshore rig in four, predicts Quenton Dokken of the Gulf of Mexico Foundation, a conservation group.

墨西哥湾基地的Quenton预测，在五年内，石油公司将能把四分之一的海上钻井平台珊瑚礁化。