依-舒地堑下第三系地层格架与成因单元

• 基础地质·矿床·盆地 • 上一篇下一篇

依-舒地堑下第三系地层格架与成因单元

张帆^1,2, 王孔伟^1,2,刘立¹

1．吉林大学地球科学学院，长春 130061；2．三峡大学三峡库区地质灾害教育部重点实验室，湖北宜昌 443002

收稿日期:2006-03-10 修回日期:1900-01-01 出版日期:2007-01-26 发布日期:2007-01-26
通讯作者: 张帆

Stratigraphic Sequence of Neogence System in Yi-Shu Graben

ZHANG Fan^1,2,WANG Kong-wei^1,2,LIU Li¹

1.College of Earth Sciences, Jilin University,Changchun 130061,China；2. Key Laboratory of Geological Hazards on Three Gorges Reservoir Area,Ministry of Education, China Three Gorges University，Yichang,Hubei 443002,China

Received:2006-03-10 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
Contact: ZHANG Fan

摘要/Abstract

摘要： 依-舒地堑是大庆油田的主探区之一，下第三系是主要勘探目的层，准确地建立地层格架是油气勘探的基础。在占有大量资料的基础上，采用数理统计分析方法，建立了测井曲线、微量元素分层模式，有效地解决了测井曲线局部干扰和地层分析实验样品量少的问题。在综合考虑6种因素的基础上，以生物层序和构造层序单元为基础，建立了依-舒地堑的整体地层格架，提出了依-舒地堑统一地层格架对比方案，指出T₅、T₃、T₁地震反射层具有构造旋回意义，代表盆地演化的不同阶段，T₄、T₂地震反射层具有沉积学以及气候层序的意义。

关键词: 依-舒地堑, 构造层序, 生物层序, 测井曲线, 裂变径迹年龄

Abstract: The Yi-Shu graben is one of major exploring areas, along with the major exploring targets of Paleogene system in Daqing oil field. Building up a stratigraphic framework accurately is the foundation of oil exploration.A kind of layering pattern is built up depending on a great deal of data and using mathematical statistics to analyse well log and trace elements. The method solves the problems of local interfering well log and of lacking layer samples efficiently.With the six factors considered comprehensively, the stratigraphic framework of the Yi-Shu graben is set up based on biosequence and tectonic sequence and a integral and comparative program of the Yi-Shu graben is put forward. T₅,T₃,T₁ seismic reflective layers represent tectonic cycles of different stages in the basin development and T₄,T₂ seismic reflective layers represent sedimentary and climatic sequence.

Key words: Yi-Shu graben, tectonic sequence, biostratigraphic sequence, log curve, fission-track age

中图分类号:

P618.13

张帆, 王孔伟,刘立. 依-舒地堑下第三系地层格架与成因单元[J]. J4, 2007, 37(1): 112-0119.

ZHANG Fan,WANG Kong-wei,LIU Li. Stratigraphic Sequence of Neogence System in Yi-Shu Graben[J]. J4, 2007, 37(1): 112-0119.

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