Silveira, the energy minister, said a single successful drilling area could produce 5.6 billion barrels of oil.

能源部长西尔维拉表示，一个成功的钻探区域可以生产56亿桶石油。

Petrobras argues that a drilling area 175 kilometers off the coast will not affect the indigenous people of northern Brazil.

巴西国家石油公司辩称，距离海岸175公里的钻探区域不会影响巴西北部的土著人民。

Most drilling areas in Europe are near populated areas and environmental groups have raised concerns about water and air pollution from fracking.

欧洲大多数钻探地区都临近人口稠密地区，环保组织担心压裂法会导致水和空气污染。

The oil company said it would continue to look for new drilling areas, but also work to find a way to drill in the area it first targeted.

这家石油公司表示，将继续寻找新的钻探区域，但也会努力找到在最初目标区域钻探的方法。