东营凹陷永安镇三角洲层序地层与沉积体系
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摘要
应用高分辨率层序地层学理论,结合测井—地震数据联合分析等技术手段,建立了东营凹陷永安镇下第三系沙三段—沙二下亚段三角洲层序地层格架,划分出了4个三级层序,9个四级层序。沉积体系的研究结果表明,永安镇三角洲存在多个物源方向,不同时期主要物源方向不相同,但最主要的物源来自东部的青坨子凸起。通过重点分析永安镇三角洲的2个主要发育旋回LSC4和LSC3,有效地解剖永安镇三角洲的空间展布特征和物源方向,建立起沉积体系格架,并分析指出这2期砂体是主要的油气勘探目标。
Combining the theory of high-resolution sequence stratigraphy with the log-seismic data analysis, the framework of the strata sequence of Es~3-Es~2 for the Yonganzhen Delta in the Dongying Sag was established.In general it is divided into four third-level and nine fourth-level sequences.The sedimentary system study shows that there are several deposition sources in Yonganzhen Delta,and the main deposition sources in the various periods are different.But the most important deposition source is from the Qingtuozi uplift in the east.The article gave a detail analysis on the two main sedimentary cycles of LSC4 and LSC3,consequently got the result of distribution characteristics and deposition sources.And the sedimentary system framework was established.In the end it is considered that the sand bodys in these two periods are the main oil and gas exploration targets.
Combining the theory of high-resolution sequence stratigraphy with the log-seismic data analysis, the framework of the strata sequence of Es~3-Es~2 for the Yonganzhen Delta in the Dongying Sag was established.In general it is divided into four third-level and nine fourth-level sequences.The sedimentary system study shows that there are several deposition sources in Yonganzhen Delta,and the main deposition sources in the various periods are different.But the most important deposition source is from the Qingtuozi uplift in the east.The article gave a detail analysis on the two main sedimentary cycles of LSC4 and LSC3,consequently got the result of distribution characteristics and deposition sources.And the sedimentary system framework was established.In the end it is considered that the sand bodys in these two periods are the main oil and gas exploration targets.
引文
1纪友亮,张仕奇.陆相断陷湖盆层序地层学[M].北京:石油工业出版社,1996.1~128
2肖玉茹,何峰煜.高分辨率层序地层学在储层预测中的应用[J].石油实验地质,2003,25(2):169~173
3 Galloway W E.Genetic stratigraphic sequences in basin analy-sis I:Architecture and genesis of flooding-surface boundeddepositional units[J].American Association of Petroleum Geol-ogists Bulletin,1989,73:125~142
4王居峰,蔡希源,邓宏文等.渤海湾盆地东营凹陷中央洼陷带沙三段基准面旋回变化与岩性圈闭[J].石油实验地质,2003,25(4):357~361
5程晓玲,周小进,郭建华.渤海湾盆地东濮凹陷T—R旋回层序地层学与隐蔽油藏研究[J].石油实验地质,2003,25(增刊):548~552,556
6张世奇,纪友亮.陆相断陷湖盆层序地层学模式探讨[J].石油勘探与开发,1996,23(5):5~8
7薛良清.论沉积层序级别的划分[J].石油勘探与开发,1998,25(3):10~14
8邓宏文,王红亮,祝永军.高分辨率层序地层学:原理及应用[M].北京:地质出版社,2002.1~253
2肖玉茹,何峰煜.高分辨率层序地层学在储层预测中的应用[J].石油实验地质,2003,25(2):169~173
3 Galloway W E.Genetic stratigraphic sequences in basin analy-sis I:Architecture and genesis of flooding-surface boundeddepositional units[J].American Association of Petroleum Geol-ogists Bulletin,1989,73:125~142
4王居峰,蔡希源,邓宏文等.渤海湾盆地东营凹陷中央洼陷带沙三段基准面旋回变化与岩性圈闭[J].石油实验地质,2003,25(4):357~361
5程晓玲,周小进,郭建华.渤海湾盆地东濮凹陷T—R旋回层序地层学与隐蔽油藏研究[J].石油实验地质,2003,25(增刊):548~552,556
6张世奇,纪友亮.陆相断陷湖盆层序地层学模式探讨[J].石油勘探与开发,1996,23(5):5~8
7薛良清.论沉积层序级别的划分[J].石油勘探与开发,1998,25(3):10~14
8邓宏文,王红亮,祝永军.高分辨率层序地层学:原理及应用[M].北京:地质出版社,2002.1~253
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