Drilling deeper, the greater tube resistance, the higher the pressure needed.

钻孔越深﹐化工泵管路阻力越大﹐必要的压力越高。

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Learning such as drilling, drilling deeper, more able to find the essence of knowledge. Learn to crawl before you go.

学习如钻探石油，钻得愈深，愈能找到知识的精髓。先学爬，然后学走。

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Previous drilling of wells could only reach depths of 1,000 feet, but due to new pumping practices, water deeper than this can now be extracted.

以前钻井深度只能达到1000英尺，但由于有了新的抽水方法，现在可以抽取比这更深的水。

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Moffett believed that drilling deeper below those exhausted sands in the same shallow water areas would be highly productive.

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Drilling deeper wells is one option they favoured.

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The plan is to keep gobbling up old shallow fields, using new technology to get more oil and gas out of them, all the while drilling deeper in search of the motherlode.

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