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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SAMMS has successfully cleaned wastewater in a variety of Settings, including a coal plant, an offshore oil rig and a chemical manufacturer.

SAMMS已经成功地在包括煤厂、离岸石油钻塔和化学品生产厂等各种环境下清洁污水。

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By using a real case of an offshore oil project as example, this paper presents the method and approach utilized in the process of framework planning and design stage for schedule control.

以某海洋石油工程项目的进度控制管理为例，阐述在设计阶段网络计划的编制、设计过程中进度控制的方法和手段。

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The official explanation was bad weather from hurricane Dolly, which might have interfered with a planned helicopter trip to an offshore oil platform.

NPR: Top Of The News

When an offshore oil rig is outdated, or can no longer cost-effectively pump oil, most countries require that the oil rigs be wholly decommissioned.

FORBES: Environmental Scientists Urge That Decommissioned Oil Rigs Be Transformed Into Artificial Reefs

Chevron sunk an offshore oil rig in 1937 in 14 feet of water and by 1947 drillers were working on rigs out of sight of land.

FORBES: On The Gulf Coast, Somebody Will Pay