During drilling, hole deviation has a series of damage to drilling engineering.

在钻井过程中, 井斜给钻井工程带来了一系列危害,并造成了巨大损失.

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It can improve gas suction effect, reduce drilling hole amount and save construction investment.

采用优化后的方法可以提高瓦斯抽放效果, 减少钻孔数量从而节省施工投入.

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