西南石油大学学报(自然科学版) ›› 2010, Vol. 32 ›› Issue (5): 41-46.DOI: 10.3863/j.issn.1674-5086.2010.05.006

• 地质勘探 • 上一篇    下一篇

蠡县斜坡中南部油气分布与成藏模式研究

杨 帆1，于兴河2，李胜利2，张 峰3，任小军4
   

  1. 1.中国石油勘探开发研究院，北京 海淀 100083； 2.中国地质大学（北京）能源学院，北京 海淀 100083；3.中国石油华北油田公司油藏评价部，河北 任丘 062552; 4.中国石化国际勘探开发有限公司，北京 海淀 100083
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-10-20 发布日期:2010-10-20

THE PATTERN OF HYDROCARBON DISTRIBUTION AND HYDROCARBON ACCUMULATION MODEL IN THE SOUTH OF LIXIAN SLOPE

YANG Fan1,YU Xing-he2,LI Sheng-li2,ZHANG Feng3,REN Xiao-jun4   

  1. 1.Research Institute of Petroleum Exploration and Development,CNPC,Haidian Beijing 100083,China;2.School of Energy Resources,China University of Geosciences(Beijing),Haidian,Beijing,100083,China;3.Reservoir Evaluation Department,Huabei Oilfield,CNPC,Renqiu Hebei,062552,China;4.International Petroleum Exploration and Production Corporation,SINOPEC,Haidian Beijing,100083,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-10-20 Published:2010-10-20

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摘要： 蠡县斜坡中南部勘探程度相对较低，对已知油藏的油气富集规律和成藏模式认识不清，以往认为该区主要以“阶梯式”运移成藏模式为主，但与实际油藏的分布存在矛盾。经过对斜坡中南部的断层活动期次和沉积体系的研究，认为该区垂向输导受晚盛晚衰断层的控制，为连通砂体提供了油气侧向输导途径。综合分析已知油藏的分布并进行油源对比研究，可以得出斜坡中南部的成藏模式具双油源、长距离、多层位、浅层平行运聚的特点。根据这一特点指明了下一步滚动勘探的方向和思路，即“立足找浅层，地震寻构造，精细画岩性”。

关键词: 蠡县斜坡中南部, 油藏分布, 成藏模式, 平行运聚

Abstract: The exploration degree in middle-south part of Lixian Slope is relatively low,making the hydrocarbon distribution pattern and hydrocarbon accumulation model of the known reservoirs unclear.It is assumed that the hydrocarbon accumulation model is mainly “stepped-like”,but this model conflicts with the distribution of reservoir.Through comprehensive study of faults activity phases and depositional system,we conclude that the late developed and late ended faults control the vertical migration path,while connected sand bodies provide lateral migration path for oil and gas.Combining the distribution of known reservoirs and research of oil-source correlation,we find that the hydrocarbon accumulation model in middle south part of Lixian Slope is characterized by dual source,long distant migration,multi- oil-bearing zone and shallow formation parallel migration.This model provides the direction and clue for further exploration and development,which is “based on shallow formation;finding subtle structure trap by finely seismic interpretation and determining sedimentary micro-facies accurately.”

Key words: middle south part of Lixian Slope, reservoir distribution, accumulation model, parallel migration

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