The ice pack and icebergs pose various threats to drilling RIGS and crews.

浮冰和冰山对钻机和人员构成多种威胁。

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The first semisubmersible drilling RIGS that it built are now operating in Norway and Brazil.

该公司建造的首批半潜式钻井平台已在挪威和巴西开始运作。

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So is Petrobras of Brazil, which operates more deepwater drilling RIGS than any other oil company.

巴西石油公司也一样，它经营比其他石油公司更深的深海钻井装备。

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Salazar said this week the part of the agency which permits oil and gas drilling and collects royalties will be separated from the part which inspects the safety of oil rigs.

VOA: standard.2010.05.14

In 2005, Katrina and Hurricane Rita destroyed 109 oil platforms and five drilling rigs.

FORBES: Market Scan

Many Louisianans fret that Gulf-based drilling rigs will decamp for West Africa or Brazil.

ECONOMIST: New Orleans five years after Katrina

Some make and sell expensive kit for use on drilling rigs or the seabed.

ECONOMIST: Oil firms you have never heard of are booming