在足够低的压力下不含溶解气的石油或失掉挥发组分的稠油或残油即称为死油。

Oil at sufficiently low pressure that it contains no dissolved gas or a relatively thick oil or residue that has lost its volatile components.

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针对目前海上油井在油嘴处的结腊、死油等问题，研制出一种自动控制油嘴温度的油嘴套。

Based on the question of wax deposit and dead oil in choke of offshore Wells, a self-regulating temperature choke seat is developed by author.

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美国海岸警卫队的官员称，测试结果显示该石油来自英国石油公司，但是那是陷入墨西哥湾底部的死油，并不是从密封的井中渗出的新鲜石油。

Coast Guard officials say tests show the oil is BP's, but it's considered dead oil that's been trapped on the Gulf floor, not fresh oil that is seeping from the plugged well.

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