应用流体包裹体研究内蒙古巴彦浩特盆地热演化史  

THE APPLICATION OF THE LIQUID ENCLOSURE TO THERMAL HISTORY IN THE BAYANHAOTE BASIN IN INNER MONGOLIA

作　　者：严永新[1] 李亚玉[1] 胡峻卿[1] 林学庆[1] 田云[1] 

机构地区：[1]河南石油勘探开发研究院,河南南阳473132

出　　处：《现代地质》2002年第3期288-291,共4页Geoscience

摘　　要：通过巴彦浩特盆地石炭系流体包裹体的研究认为 ,不同时代的样品尤其是中晚期包裹体的均一温度与埋藏深度之间存在良好的线性关系。有机质生烃在纵向上可以划分为未熟、低成熟、成熟及高成熟 4个阶段 ,时代上自侏罗系、下至奥陶系 ,跨度较大 ,却经历了相同的地热温度场。本区地温梯度较低 ,仅为 2 8～ 30℃ /km ,所有的升温热事件都发生在中侏罗世以后 ,主要勘探目的层石炭系烃源岩的成熟度处于液态窗阶段 ,有机质成熟、开始生烃的上限时间是侏罗纪以后 。In the Bayanhaote Basin,there is a linear correlation between the depths of the enclosure samples in different ages and the homogenization temperatures of enclosure, especially those in middle and later periods, and there can be divided in vertical direction into four stages which are immature stage,low mature stage, mature stage and high mature stage. Although there is a big span from Ordovician to Jurassic, there underwent the same geothermal temperature field in the period, and the geothermal gradient is low to 28-30 Celsius degrees per kilometer. All the heat events occurred after Middle Jurassic. Carboniferous rock of the main target bed is in liquid windows period. The upper bound of maturing and hydrocarbon generating of organic matter is after Jurassic. So the exploration targets should be reservoir formed in later period.

关 键 词：流体包裹体 巴彦浩特盆地 均一温度 热演化史 地温梯度 内蒙古 成矿流体 

分 类 号：P314.1[天文地球—固体地球物理学]