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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BP's business strategy depends on its ability to keep pushing the frontiers of oil exploration: drilling the world's deepest Wells and probing the corners of the Arctic for deposits.

BP的商业战略是依靠在石油开发领域不断拓展的能力：钻探世界上最深的油井，在北极圈各个角落勘探石油。

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But the operation involves drilling thousands of Wells a year and requires a staff of 7,000 engineers.

但是这一行动包括每年钻井数千个，以及需要7000名工程师。

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Some states require natural-gas companies use technology to capture gas during the construction and drilling of wells.

WSJ: Rise in U.S. Gas Production Fuels Unexpected Plunge in Emissions

Though the plant continued pumping gas from existing wells, the strike halted drilling of new wells and froze the site's fracking program, said the three employees.

WSJ: Algeria Probes Possible Role of Local Workers in Attacks

Basically, IDCs are the costs incurred by the oil and gas industry in the drilling of its wells.

FORBES: Oil & Gas Tax Provisions Are Not Subsidies For "Big Oil"