Exploration and drilling for oil and gas have become easier as climate change forces the ice to retreat, and all countries with borders inside the Arctic circle are fighting to claim their share.
全球变暖迫使冰层消退给石油和天然气的勘探和开采带来方便，边境在北极圈内的所有国家正在认领属于各自的地盘。
Oil and gas exploration costs include drilling exploration costs and the non-drilling exploration costs. The non-drilling exploration costs are recorded in the income statement when incurred.
油气勘探支出包括钻井勘探支出和非钻井勘探支出。非钻井勘探支出于发生时计入当期损益。
Drilling project is an important tache for the exploration of oil and gas resources.
钻井工程非勘探开收石油取地然气资流的一个从要环节。
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