松辽盆地滨北地区油气运移优势通道的预测

Predict the Dominant Migration Channels in Binbei Area,Songliao Basin

通过对滨北地区萨葡高储层的油气输导层砂体展布、区域盖层底面形态、断层倾角和流体压差等地质条件的综合研究,分别阐明了级差优势、流向优势、流压优势和分割槽优势等4种类型优势通道的分布特征及其对油气运移的控制作用,然后采用了单因素叠加和多信息叠合两种研究方法对滨北地区萨葡高储层的油气运移优势通道进行了预测,沿克山—依龙背斜带向北的方向应该是萨葡高储层油气优势运移的主要方向,而自乌裕尔凹陷向富裕构造带次之。

Such geological conditions in Sa,Pu and Gao oil reservoirs of Binbei area as the sandbody distribution of petro-leum carried bed,the bottom feature of regional seal,the fault dip and the fluid baric difference were studied.And the distribution characteristics of four dominant channels,including rank difference,flow direction,flowing pressure and separation groove,and their effect on hydrocarbon migration were presented.The dominant migration channels in Sa,Pu and Gao oil reservoirs were predicted by two study methods of both single-factor stackingand multi-information coincidence.Results show that the superior channel should be along the Keshan-Yilong anticline belt northward,and the inferior one for Wuyuer Depression-Fuyu Structurel Belt,respectively.