[1]孙春燕,胡明毅,薛 丹.松辽北肇源地区泉三段、泉四段岩相类型及组合规律[J].复杂油气藏,2017,(02):10.[doi:10.16181/j.cnki.fzyqc.2017.02.003]
　Sun Chunyan,Hu Mingyi,Xue Dan.Lithofacies types and sedimentary assemblage law: a case of Quan3rd and 4th members in Zhaoyuan area of northern Songliao Basin[J].Complex Hydrocarbon Reservoirs,2017,(02):10.[doi:10.16181/j.cnki.fzyqc.2017.02.003]
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松辽北肇源地区泉三段、泉四段岩相类型及组合规律
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2017年02期
页码:
10
栏目:
油气勘探
出版日期:
2017-06-25

文章信息/Info

Title:
Lithofacies types and sedimentary assemblage law: a case of Quan3rd and 4th members in Zhaoyuan area of northern Songliao Basin
作者:
孙春燕1; 2; 胡明毅1; 2; 薛 丹3
1.长江大学油气资源与勘探技术教育部重点实验室,湖北 武汉 430100; 2.长江大学地球科学学院,湖北 武汉 430100; 3.中国石化江苏油田分公司勘探开发研究院,江苏 扬州 225009
Author(s):
Sun Chunyan1; 2; Hu Mingyi1; 2; Xue Dan3
1.Key Laboratory of Exploration Technologies for Oil and Gas Resources,Ministry of Education,Wuhan 430100,China; 2.College of Geoscience,Yangtze University,Wuhan 430100,China; 3.Exploration & Development Research Institute of Jiangsu Oilfield Company,SINOPEC,Yangzhou 225009,China
关键词:
岩石相 沉积特征 岩相组合 泉三、泉四段 肇源地区
Keywords:
rock facies;  sedimentary characteristics;  lithofacies combination;  Quan3rd and Quan 4th;  Zhaoyuan area
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2017.02.003
文献标志码:
A
摘要:
岩石相是沉积环境在沉积物岩性上的综合表现,包括岩石的颜色、成分、沉积构造和碎屑颗粒结构等特征,以这些特征为依据可反映各沉积成因单元不同规模砂体形成过程中的水动力条件强弱及沉积物搬运方式的差异,进而恢复其沉积环境。通过对研究区60口井岩心观察描述及岩心照片资料分析,结合岩性特征、沉积构造和古生物化石等相标志的资料收集,在松辽盆地肇源地区泉三、泉四段中识别出三大类((粉砂质)泥岩类、(泥质)粉砂岩类和细砾岩-细砂岩类)、24小类岩相类型。沉积时的各种介质条件,具有成因联系的岩石相在垂向上的相互组合构成了3种岩相组合类型,即:单期次河道岩相组合、多期次河道岩相组合和浅湖相反旋律岩相组合。各种组合类型均反映了不同沉积过程和沉积环境下河道砂体的垂向发育序列和平面分布特征,对该区有利储层预测和油气勘探具有重要的指导意义。
Abstract:
Rock facies is a comprehensive performance of sedimentary environment on sediment lithology,which includes the color,the composition,the sedimentary structure,and the structure characteristics of rock debris particle,etc.Based on these features,it can be reflected that the strength of the hydrodynamic conditions and the difference of sediment transport way in the process of forming different scale sandbodies in various sedimentary origin units,and then its sedimentary environment was restored.By viewing the core pictures and analysis data of 60 wells in the study area,combined with the facies mark data of lithologic feature,the sedimentary structure,and the paleontological fossil,among Quan third and fourth members in Zhaoyuan area in Songliao Basin,it was divided into three major categories including(silty)mudstone class,(muddy)siltstone class,and fine sandstone class,and 24 small categories of lithofacies types.Under the condition of sedimentary rock phase,rock facies having genetic relationship in vertical direction can be combined into three type of lithofacies combination,namely: one stage of river lithofacies combination,multi-stages of river lithofacies combination,and reverse rhythmic lithofacies combination of shallow lake facies.All kinds of combination type reflect the vertical and horizontal distribution characteristics of channel sand bodies under different sedimentary process and sedimentary environment.This is significance to the prediction of favorable reservoirs and oil-gas exploration in this area.

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备注/Memo

备注/Memo:
收稿日期:2017-04-16; 改回日期:2017-05-12。
作者简介:孙春燕(1989—),女,博士在读,研究方向为沉积学和层序地层学。E-mail:1045286355@qq.com。
基金项目:国家“十三五”油气重大科技专项(2017ZX05013-006); 大庆油田有限责任公司项目“扶余油层不同类型砂体精细解剖与沉积相模型研究”(DQYT-2014-JS-468)资助。
更新日期/Last Update: 2017-06-25