The drillhead of IceCube's Enhanced Hot Water Drill emerges from the ice in a December 2010 picture.

冰立方增强型热水钻的钻头从冰层中显露出来。

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To reach the icy depths, scientists designed and built the Enhanced Hot Water Drill, which can penetrate more than 1.2 miles (2 kilometers) of ice in less than two days.

为了达到既定的冰层深度，科学家们设计并建造了增强型热水钻(Enhanced Hot Water Drill)，这种设备可以在不到两天的时间里穿透厚度超过两公里的冰层。

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Because his 500 acres sits on a lousy patch on the water table, every well he drill has to go deeper than the last one.

由于他的500亩土地的地下水环境十分糟糕，钻的井是一个比一个更深。

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They drill down to the shale, then go sideways and inject high-pressure water, sand or other material into the rock.

VOA: special.2009.10.23

Other energy companies are doing much the same, focusing the booming domestic drilling and also high-risk drilling operations at deep-water drill sites.

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Advanced technologies have made it possible to not just extract more oil from conventional sources previously thought tapped, but frack and deep-water drill in spots not even thought of 20 years ago.

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Martin Siegert points out that the water in the drill head will only be a few degrees above 0C as it enters the lake - it inevitably cools as it flows 3km down into a hole that is surrounded by ice at -35C.

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