Don't switch on during drilling operation.

钻井作业期间不能合闸。

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Measuring the amount of natural gas that is leaking during drilling is one challenge.

测算油气井开采过程中逸散的天然气量是一个难题。

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The characteristics of power signal during drilling on machining centers is analyzed in this article.

本文对加工中心钻削过程功率信号的特征进行了分析。

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Environmental attention has recently shifted to the wastewater that comes back to the surface during drilling.

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That has created concerns about the consequences for climate change should the gas escape into the atmosphere during drilling.

CNN: Japan warms to 'fire ice' potential

Mercury was found in the reservoir during drilling at Kipper, delaying the project, while the Turrum project is faced with delays related to structural designs.

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