岩性油气藏 ›› 2025, Vol. 37 ›› Issue (5): 111–121.doi: 10.12108/yxyqc.20250510

• 地质勘探 • 上一篇    

松辽盆地龙虎泡油田白垩系构造-岩性圈闭类型及成藏主控因素

张云峰1, 史晓东2, 刘宗堡3, 杨雪微4, 王鸿军2, 郝彬5   

  1. 1. 辽宁石油化工大学 石油天然气工程学院, 辽宁 抚顺 113001;
    2. 中国石油大庆油田有限责任公司 第九采油厂, 黑龙江 大庆 163853;
    3. 东北石油大学 地球科学学院, 黑龙江 大庆 163318;
    4. 中国石油大庆油田有限责任公司 第五采油厂, 黑龙江 大庆 163513;
    5. 中国石油勘探开发研究院 西北分院, 兰州 730020
  • 收稿日期:2024-12-04 修回日期:2025-03-18 发布日期:2025-09-06
  • 第一作者:张云峰(1988—),男,博士,讲师,主要从事油气成藏及储层沉积学方面的教学与科研工作。地址:(113001)辽宁省抚顺市望花区丹东路西段1号。Email:756948048@qq.com。
  • 通信作者: 刘宗堡(1982—),男,博士,教授,主要从事储层沉积学及油气成藏机理方面教学和研究工作。Email:lzbdqpi@163.com。
  • 基金资助:
    国家自然科学基金“基于储层构型理论解析的三角洲相致密砂岩储集性多级次表征研究”(编号:42172161),黑龙江省自然科学基金联合基金重点项目“火山和热液作用下古龙页岩黏土矿物转化机制对储层可压性的控制”(编号:ZL2024D003)联合资助。

Structural-lithologic trap types and main controlling factors of hydrocarbon accumulation of Cretaceous in Longhupao Oilfield,Songliao Basin

ZHANG Yunfeng1, SHI Xiaodong2, LIU Zongbao3, YANG Xuewei4, WANG Hongjun2, HAO Bin5   

  1. 1. College of Petroleum Engineering, Liaoning Petrochemical University, Fushun 113001, Liaoning, China;
    2. No. 9 Oil Production Plant, PetroChina Daqing Oilfield Co., Ltd., Daqing 163853, Heilongjiang, China;
    3. College of Earth Sciences, Northeast Petroleum University, Daqing 163318, Heilongjiang, China;
    4. No. 5 Oil Production Plant, PetroChina Daqing Oilfield Co., Ltd., Daqing 163513, Heilongjiang, China;
    5. PetroChina Research Institute of Petroleum Exploration & Development-Northwest, Lanzhou 730020, China
  • Received:2024-12-04 Revised:2025-03-18 Published:2025-09-06

摘要: 利用岩心、录井、测井和生产动态等资料,基于构造特征和砂体几何学特征,对松辽盆地龙虎泡油田白垩系构造-岩性圈闭类型进行了识别和划分;从源岩条件、油源断层输导及构造和砂体配置关系对成藏主控因素进行了研究,总结了不同类型圈闭的油气成藏模式。研究结果表明:①龙虎泡油田白垩系构造-岩性圈闭主要发育于葡萄花油层,发育水下分流河道、河口坝、前缘席状砂3种微相,具有北部物源控制的三角洲前缘亚相薄窄砂体特征。②研究区构造-岩性圈闭可分为西部斜坡带断层-岩性圈闭、东部鼻状构造带鼻状构造-岩性圈闭和中部洼陷区断鼻-岩性圈闭三大类,可进一步细分为断层-条带砂体型、断层-片状砂体型、断层-透镜砂体型,鼻状构造-条带砂体型、鼻状构造-片状砂体型、鼻状构造-透镜砂体型,断鼻-条带砂体型和断鼻-片状砂体型等8个亚类。③研究区构造-岩性圈闭的成藏受“源-断-储-势”联合控制,青山口组一段源岩提供了充足的油气资源,油源断裂提供了油气垂向运移通道,构造与砂体配置关系控制了圈闭内的油气富集。④研究区发育“油源断层垂向输导+有利沉积微相富集”的断层-岩性圈闭成藏模式、“砂体侧向输导+正向构造富集”的鼻状构造-岩性圈闭成藏模式以及“断-砂复合输导+连片砂体/厚层砂体富集”的断鼻-岩性圈闭成藏模式。

关键词: 构造-岩性圈闭, 鼻状构造, 油源断裂, 三角洲前缘亚相, 白垩系, 龙虎泡油田, 松辽盆地

Abstract: Based on structural characteristics and sand body geometry features,the structural-lithologic trap types of Cretaceous in Longhupao Oilfield of Songliao Basin were identified and classified by utilizing data from rock cores,master logging,well logging,and production dynamics. The main controlling factors for reservoir formation were studied from three aspects,such as source rock conditions,oil source transport fault,and the relationship between structure and sand body configuration. Oil and gas accumulation models of different types of traps were summarized. The results show that:(1)Cretaceous structural-lithologic traps in Longhupao Oilfield are mainly developed in Putaohua oil layer,with three microfacies ,such as underwater distributary channels,estuary bar,and front sheet sands,which maintain the characteristics of thin and narrow sand bodies in the delta front subfacies controlled by the northern source.(2)The structural-lithologic traps in the study area can be divided into three categories:fault-lithologic traps in the western slope zone,nose shaped structural-lithologic traps in the eastern nose shaped structural zone,and fault-nose shaped structural-lithologic traps in the central subsag zone. They can be further subdivided into eight subtypes:fault-strip sand type,fault-sheet sand type, fault-lens sand type,nose shaped structural-strip sand type,nose shaped structural-sheet sand type,nose shaped structural-lens sand type,fault nose-strip sand type,and fault nose-sheet sand type.(3)The formation of structural-lithologic traps in the study area is jointly controlled by“source-fault-reservoir-potential”. Source rocks from the first member of Qingshankou Formation provide sufficient oil and gas resources,oil source faults serve as vertical migration pathways for oil and gas,and the relationship between structure and sand body configuration controls the enrichment of oil and gas within traps.(4)There are three types of structural-lithologic trap accumulation models developed in the study area:fault-lithologic trap accumulation model of“vertical transport of oil source faults and enrichment of favorable sedimentary microfacies”,nose shaped structure-lithologic trap accumulation model of“lateral transport of sand bodies and enrichment of positive structures”,and faultnose shaped structure-lithologic trap accumulation model of“fault and sand composite transport,and enrichment of connected sand bodies or thick sand bodies”.

Key words: structural-lithologic trap, nose shaped structure, oil source fault, delta front subfacies, Cretaceous, Longhupao Oilfield, Songliao Basin

中图分类号: 

  • TE122.2
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