地层水中微量金属元素组成分布特征与油气藏关系──以松辽盆地北部杨大城子油层为例

A CASE STUDY OF RELATIONSHIP BETWEEN THE COMPONENT DISTRIBUTION OF TRACE METAL ELEMENTS IN STRATIGRAPHIC WATER AND THE HYDROCARBON ACCUMULATION:YANGDACHENGZI OIL RESERVIOR IN THE SONGLIAO BASIN

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 discussed the components and content distribution of trace metal elements in stratigraphic water. The result shows that the content of various metal elements is Fe>Sr>Zn>Mn>Cu>Ni>Cr in stratigraphic water of the Yangdachengzi oil-bearing formation. Ratio of Ni/Cu and Mn/Fe is obviously different in various areas. The content of metal elememts in stratigraphic water is concerned with the hy drocarbon-bearing property of reservoir on the plane. The content of metal elements is gradually decreased from oil and gas bearing areas to water bearing areas.