A simple separator vessel used to remove free or entrained gas from fluids circulated in the wellbore, such as mud used during drilling operations.

从井筒的循环流体(如钻井作业中所用的泥浆)中去除游离气或夹带气所用的一种简单的分离容器。

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When the oil and gas reached the rig, they were diverted not overboard, as might have been wiser, but to a system called the mud-gas separator which spewed gas back onto the rig.

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