The first deepwater well, Liwan 3-1-1, in China, utilizes this technology to install the conductors successfully without the problem of non-stable wellhead.

我国第一口水深超千米的深水井——荔湾3-1-1井利用该技术成功完成了导管的安装，井口装置没有出现井口失稳的问题。

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Therefore, DGD may provide an alternative optimization method for deepwater well casing program design, which can produce remarkable economic and industrial values.

双梯度钻井为深水钻井井身结构设计提供了一种新的优化方法，具有显著的经济效益和工业实用价值。

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Before Deepwater Horizon foundered there had not been a big leak from an offshore oil well for 40 years.

在深水地平线号出事前，那里已有40年未出现一起近海油井严重泄漏的事件。

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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

Halliburton also faces legal challenges, particularly related to the explosion of the Macondo deepwater well that exploded in the Gulf of Mexico.

FORBES: Halliburton's Resilience: Record Revenue, Op. Income Despite Tumbling Oil Prices

ExxonMobil is currently drilling the first deepwater well in Libyan waters.

FORBES: Magazine Article

After more than 100 days, the Deepwater Horizon well has finally been capped.

FORBES: Good Week For BP But RIMM Didn't Fare As Well