惠安堡-马家滩上古生界烃源岩及含油气系统  

Upper paleozoic source rocks and related petroleum systems in Huianbu and Majiatan areas

作　　者：白斌[1,2] 邹才能[1] 周立发[2] 朱如凯[1] 刘昊伟[1] 刘哲[3] 张义楷[1] 杨文敬[3] 

机构地区：[1]中国石油勘探开发研究院石油地质实验研究中心,北京100083 [2]西北大学大陆动力学国家重点实验室／地质学系,陕西西安710069 [3]长庆油田勘探部,陕西西安710021

出　　处：《西北大学学报（自然科学版）》2008年第5期801-806,共6页Journal of Northwest University（Natural Science Edition）

基　　金：国家“973”基金资助项目(2003CB214601);国家重大基础研究计划基金资助项目(2002CCC01400)

摘　　要：目的建立鄂尔多斯盆地西缘惠安堡—马家滩地区上古生界含油系统,为寻找油气聚集区提供理论依据。方法采用岩石热解、储集层评价、沉积环境划分等方法对研究区上古生界埋藏史、热演化史进行恢复。结果研究区的成藏模式包括源内式、近源式及远源式3种,具有多源、多灶、多阶段生烃、多期成藏的特点,为复合含油气系统。结论二叠系的煤系烃源岩已进入生气阶段;早白垩世末是上古生界最重要的排气期及天然气运聚期,是复合含油气系统的关键时刻。Aim To set up the petroleum system of Upper Paleozoic in the west margin of Ordos Basin.To prove the method for finging out hydrocarbon accumulation zone.Methods Use the way of Rock-Eval pyrolysis,reservoirs,sedimentary environment,etc.to recover the burial history and thermal history for Upper Paleozoic.Results The reservoir formation model includes such 3 types as in-source,near-source and remote-source.This petroleum system has such characteristics as multiple sources,gas generation and accumulation in multiple stages,and belongs to a compound petroleum system.Conclusion C-P coal argillaceous rocks form its source rock,and has turned into gas-generation stage.The end of early Cretaceous is the most important stage for gas expelled,migration and accumulation,and is the key period of this compound petroleum system.

关 键 词：鄂尔多斯盆地西缘 气源岩 生储盖组合 含油气系统 

分 类 号：TE121.1[石油与天然气工程—油气勘探]