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When the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom.

当钻井平台下沉时，立管在顶部附近的地方断裂，同时另一端仍与底部的防喷器相连。

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The great depth of the leaks from the rig makes staunching them a huge technical challenge.

基于泄漏的严重程度，止漏成为了一道技术上的难题。

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The owner of the rig, Swiss company Transocean, has asked to have its responsibility limited to twenty-seven million dollars.

VOA: special.2010.06.04

BP is the British-based energy company that operated the well and leased the Deepwater Horizon from the rig's owner,Transocean.

VOA: special.2011.04.23

The chief of British Petroleum blames failures by the rig's operator, Transocean of Switzerland.

VOA: special.2010.05.04

Officials said the trailer disconnected from the rig and slammed into the van, ripping it apart.

WSJ: Coroner: NY crash victims include 4 kids, 3 adults

Spokesman, Jamie Jardine, said no-one was injured and staff were gradually being returned to the rig.

BBC: Workers airlifted in rig gas alert

The rig, known as Scarabeo 9, is expected to arrive in November or December.

FORBES: Cuba Chases 5 Billion Barrels of Undiscovered Oil; U.S. Groups Respond