问答题

简答题翻译：Gas and oil, either as separate fluids or in mixtures, change their state or phase as reservoir pressure changes。

【参考答案】

天然气和石油，或者是分离的液体，或者是混合物，他们的相态或状态随油藏压力的变化而变化。

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翻译：The problem consists of being able to predict the variation of pressure with elevation along the length of the flow string for known conditions of flow。

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已知消泡剂与柴油比例为1：9，某一天药罐液位40cm，药罐1cm高度对应体积为20L，消泡剂1桶体积为200L，如何加药？

简答题 翻译：Gas and oil, either as separate fluids or in mixtures, change their state or phase as reservoir pressure changes。