不能混合形成一种均质混合物的物相，如油和水是不能混溶的流体。

Pertaining to phases that cannot mix to form a homogeneous mixture. Oil and water are immiscible fluids.

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通过腐蚀监测，研究了油溶型和水溶型缓蚀剂的性能，优选缓蚀效果好的缓蚀剂进行了现场试验。

Through erode inspecting, researches delay erode impregnant's capability of type of oil dissolving and type of water dissolving, priority choose the effect well to process local experimentation.

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石油运移的相态主要是油相，天然气可以是水溶相、油溶相、气相和扩散相。

The petroleum migration mainly in an oil phase, as for natural gas migration, it can occur in water-solution, oil-solution, free gas and diffusion phase.

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