To deepen a wellbore with the drill bit. To drill ahead.

用钻头加深井眼，往深处钻进。

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On Thursday (July 8) BP said its operation to drill a new relief well to stop the Deepwater Horizon leak was ahead of schedule.

周四(7月8日)，英国石油公司表示，他们为了停止“深水地平线”继续漏油而打钻的一口新的减压油井将提前完成。

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The strict management system of company and the drill mechanism ahead of time certainly ensure to provide high-quality products, more perfect management system and service to each cooperator.

公司严格的管理体系与超前的训练机制，确保为每位合作者提供更优质的产品，更完善的管理体系与服务。

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Pyongyang has been threatening to strike back if the drill goes ahead.

BBC: US envoy Bill Richardson warns of Korea tinderbox

He added that the company who own the exploratory licences, Tamboran has made public plans for 200 "nine acre concrete drill pads" should fracking go ahead, and local people were concerned about the impact on Fermangh's core economic drivers of tourism, fishing and agriculture.

BBC: Hydraulic fracturing

The companies are in the process of preparing to drill again in the Gulf in the days ahead.

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