| 临清坳陷中二叠世古地理恢复 |
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| 引用本文： | 宁文峰,梁吉坡,仲崇秋.临清坳陷中二叠世古地理恢复[J].山东国土资源,2012,28(6):1-5. |
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| 作者姓名： | 宁文峰 梁吉坡 仲崇秋 |
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| 作者单位： | 山东科技大学;山东省地质科学实验研究院 |
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| 摘 要： | 临清坳陷是一个中-新生代的断陷盆地,多期断层活动、多套生储盖组合、多种圈闭类型的地质条件,决定了临清坳陷可形成多类型的油气藏,具有良好的油气勘探前景。以临清坳陷中二叠世沉积地层为主要研究对象,观察钻井取心,详细分析测井标志,建立等时地层格架,基于等时地层格架进行古地理的恢复。研究表明,研究区共划分为2个层序,层序1为河控浅水三角洲环境,层序2过渡为内陆河流环境,对该区的勘探工作及勘探实践具有重要的理论和现实意义。
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| 关 键 词： | 中二叠世 古地理恢复 层序地层 临清坳陷 |
Paleogeographic Reconstruction of Linqing Depression in Middle Permian |
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| NING Wenfeng,LIANG Jipo and ZHONG Chongqiu.Paleogeographic Reconstruction of Linqing Depression in Middle Permian[J].Land and Resources in SHANDONG Province,2012,28(6):1-5. |
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| Authors: | NING Wenfeng LIANG Jipo and ZHONG Chongqiu |
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| Institution: | 1(1.Shandong University of Scinece and Technology,Shandong Qingdao 266590,China;2.Shandong Institute and Laboratory of Geological Sciences,Shandong Jinan 250013,China) |
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| Abstract: | Linqing depression is a Mesozoic-Cenozoic depression basin.geological conditions,such as multi-stage activities,several sets of combinations of reservoirs,several types of traps determine that Linqing depression basin could form a variety of oil and gas reservoirs.It has good prospects for oil and gas exploration.In this paper,setting middle Permian sedimentary strata in Linqing depression as the study object,through analysis on detailed of well drilling and logging signs,an isochronai stratigraphic frame has been set up.Ancient geography has been recovered based on isochronai stratigraphic frame.As showed by the study result,this area can be divided into two sequences.No.1 sequence is river controlling shallow water delta environment,while No.2 sequence transferred to inland river environment.It is important theoretical and practical significance for exploration work and practices. |
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| Keywords: | Middle Permian Paleogeographic reconstruction sequence stratigraphy Linqing depression |
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