The induced electromagnetic field possesses the action of electromagnetic purification, and effectively removes formation of impurity grain, segregation, negative segregation and gas cavity.
感生磁场具有电磁净化的作用，可以有效地消除杂质颗粒以及偏析、负偏析和气孔形成的机率。
Only to find out the well matching region of the gas source, accumulation and phase state segregation conditions, a larger gas reservoir can be discovered while exploring this zone.
勘探该区时，只有查明气源条件、聚集条件和相态分异条件的良好配置区，才可能发现规模较大的气藏。
Natural gas in wellbore is a mixed gas consisting of various gas. Due to molecular weight of all kinds of gas is different, they will occur gravity segregation under the action of gravity field.
井筒内的天然气都是由多种气体组成的混和天然气，由于气体各组分的分子量不同，会在重力场作用下发生重力分异，从而使井筒内混和气体的性质与单一气体有很大差异。
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