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本文论述了松辽盆地北部杨大城子地层水中微量金属元素组成，研究了地层水中微量金属元素含量的分布特征．研究结果表明，杨大城子地层水中各种元素总的含量特征是Fe＞Sr＞Zn＞Mn＞Cu＞Ni＞Cr。Ni／Cu和Mn／Fe的比值，因地区不同具有明显的差异。平面上地层水中金属元素含量与储层的含油气性有关，含油气区地层水中金属元素含量高，接近含油气区次之，远离含油气区最低。
This paper discusses the trace metal elements in the formation water of Yang Dacheng Formation in the northern Songliao Basin, and studies the distribution characteristics of trace metal elements in the formation water. The results show that the total content of various elements in the formation water of Yang Dachengzi is characterized by Fe> Sr> Zn> Mn> Cu> Ni> Cr. The ratio of Ni / Cu and Mn / Fe is obviously different due to different regions. The content of metal elements in formation water is related to the oil and gas in reservoirs. The content of metal elements in formation water with oil and gas zones is high, which is close to that of oil-bearing zones and the lowest.