Site investigation drill and placer exploration drill have much in common.

工程勘察钻机和砂矿钻机之间具有许多共同之处。

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Green campaigners said the spill demonstrated the dangers of oil exploration, and called for an end to proposals to drill in the Arctic.

绿色活动家们称泄漏证明了石油勘探活动的危险性，并呼吁终结在北极钻探的提案。

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A dozen global gas-exploration companies have promised to drill as many as 120 test Wells over the next few years to find out.

全球十来家天然气勘探公司已承诺，将在未来几年内钻探出多达120口的试验井来采气。

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In December, Cuadrilla said it had no intention "at the moment" of drilling to the area south of the village, where it now has permission to drill a borehole for oil and gas exploration.

BBC: Balcombe, West Sussex

Cuadrilla insists the process is safe, but says it has no intention "at the moment" of drilling in the area south of the village, where it has permission to drill a borehole for oil and gas exploration.

BBC: Balcombe, West Sussex

Nonetheless, crude is still at price levels that are significantly higher than historical averages, suggesting that exploration and production companies are bound to get plentiful new contracts to drill for oil and natural gas.

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