岩性油气藏 ›› 2017, Vol. 29 ›› Issue (2): 19–27.doi: 10.3969/j.issn.1673-8926.2017.02.003

• 油气地质 • 上一篇    下一篇

冀中坳陷地层岩性油气藏分布特征与主控因素

金凤鸣1, 崔周旗2, 王权2, 李莉2, 任春玲2, 崔明洋3, 肖伟2   

  1. 1. 中国石油大港油田分公司, 天津 300280;
    2. 中国石油华北油田分公司 勘探开发研究院, 河北 任丘 062552;
    3. 中国石油大学(北京) 地球科学学院, 北京 102249
  • 收稿日期:2017-01-09 修回日期:2017-03-16 出版日期:2017-03-21 发布日期:2017-03-21
  • 第一作者:金凤鸣(1964-),男,博士,教授级高级工程师,主要从事油气勘探地质综合研究与技术管理工作。地址:(300280)天津市大港油田三号院大港油田分公司机关。Email:yjy_jfm@petrochina.com.cn。
  • 基金资助:
    国家重大科技专项“冀中坳陷增储领域精细地质评价与勘探实践”（编号：2011ZX05006-005-003）和中国石油股份有限公司重大科技攻关项目“成熟盆地油气成藏机制与精细勘探目标评价”（编号：2011D－0703）联合资助

Distribution characteristics and main controlling factors of stratigraphic lithologic reservoirs in Jizhong Depression

JIN Fengming1, CUI Zhouqi2, WANG Quan2, LI Li2, REN Chunling2, CUI Mingyang3, XIAO Wei2   

  1. 1. PetroChina Dagang Oilfield Company, Tianjin 300280, China;
    2. Research Institute of Exploration and Development, PetroChina Huabei Oilfield Company, Renqiu 062552, Hebei, China;
    3. School of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China
  • Received:2017-01-09 Revised:2017-03-16 Online:2017-03-21 Published:2017-03-21

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摘要： 为了进一步弄清冀中坳陷不同类型凹陷地层岩性油气藏的分布规律与控制因素，根据各凹陷独特的地质结构和沉积特征，将其细分为继承型、偏移型和早盛型等3 类。通过不同凹陷地层岩性油气藏的分布特征，指出继承型凹陷勘探面积最大、勘探前景最好，偏移型凹陷勘探潜力居中，而早盛型凹陷成藏条件相对较差，同时指出沉积体系与构造背景配置在缓坡带、陡坡带和洼槽区等不同区带均可形成不同类型的地层岩性油气藏分布聚集区。主控因素分析认为，地层超剥带、岩相过渡带、湖岸线变迁带均是形成多种岩性或地层圈闭的有利区带，不同类型的砂岩储集体发生岩性、物性及接触关系等变化强烈，为地层岩性圈闭发育提供了有利条件；有利成岩相带和有利岩相带共同控制了地层岩性油气藏“甜点”的成群成带富集，“五带”附近是深化地层岩性油气藏勘探的重要方向。

Abstract: In order to understand the distribution law and controlling factors of stratigraphic-lithologic reservoirs in sags of Jizhong Depression,these sags were divided into three types(inherited type,migratory type and early prevailing type)according to their unique geological structures and sedimentary characteristics. It shows that the prospects of stratigraphic-lithologic reservoirs are the best in inherited sags with the largest exploration area,are medium in migratory sags,and are relatively poor in early prevailing sags with disadvantage hydrocarbon accumulation conditions. Various plays of stratigraphic-lithologic reservoirs formed by virtue of configuration between sedimentary systems and structural settings,and distributed in different zones,such as gentle slope belt, steep slope belt and trough belt. It is indicated that the zones of stratigraphic overlap denudation belt,lithofacies transition belt and lake strandline change belt are favorable for the formation of various lithologic or stratigraphic traps,and the changes of lithology,physical properties and contact relationships of sandstone reservoirs provide the favorable conditions for the development of lithologic-tratigraphic traps. The enrichment of“sweet spot”of stratigraphic-lithologic reservoirs in groups and belts is controlled by favorable lithofacies belts and favorable diagenetic facies belts. The areas near the“five belts”(lake strandline change belt,lithofacies transition belt,stratigraphic overlap denudation belt,favorable lithofacies belt and favorable diagenetic facies belt)are the important targets for deepening the exploration of stratigraphic-lithologic reservoirs.

中图分类号: 

  • TE122.3
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