| 东海陆架盆地西湖凹陷不整合面剥蚀厚度恢复 |
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| 引用本文： | 王震,张明利,王子煜,武法东,王林生.东海陆架盆地西湖凹陷不整合面剥蚀厚度恢复[J].石油实验地质,2005,27(1):90-93. |
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| 作者姓名： | 王震 张明利 王子煜 武法东 王林生 |
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| 作者单位： | 1.中国地质大学, 北京, 100083 |
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| 基金项目： | 中国石油化工股份有限公司科技部项目(P00033) |
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| 摘 要： | 东海陆架盆地西湖凹陷晚中生代末期以来,经历了裂陷阶段、坳陷阶段和区域沉降阶段,形成了多个广泛分布的区域性不整合面(地震反射界面):T20,T24,T30等,地层遭受了强烈剥蚀。以东海西湖凹陷为例,对声波时差法和镜质体反射率法求取地层剥蚀厚度的基本原理和计算方法进行了简要介绍,分析了地层剥蚀对油气成藏的影响,对该方法的适用性进行了探讨。
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| 关 键 词： | 声波时差 镜质体反射率 地层剥蚀 不整合面 西湖凹陷 东海陆架盆地 |
| 文章编号： | 1001-6112(2005)01-0090-04 |
| 收稿时间： | 2003-12-25 |
| 修稿时间： | 2003年12月25 |
EROSION THICKNESS RESTORATION OF UNCONFORMITIES IN THE XIHU SAG, THE SHELF BASIN OF EAST CHINA SEA |
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| Wang Zhen,ZHANG Mingli,Wang Ziyu,Wu Fadong,Wang Lisheng.EROSION THICKNESS RESTORATION OF UNCONFORMITIES IN THE XIHU SAG, THE SHELF BASIN OF EAST CHINA SEA[J].Petroleum Geology & Experiment,2005,27(1):90-93. |
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| Authors: | Wang Zhen ZHANG Mingli Wang Ziyu Wu Fadong Wang Lisheng |
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| Affiliation: | 1.China University of Geosciences, Beijing 100083, China2. Research Institute of Exploration and Production, SINOPEC, Beijing 100083, China3. Petroleum University, Beijing 102249, China |
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| Abstract: | Since the final stage of Cretaceous, the Xihu Sag has undergone paar stage, depression stage and regional subsidence stage, developing several extensive surfaces of unconformity (seismic reflection (sequence):) T~~0__2, T~~4__2, T~~0__3, etc. This paper explains the basic principles and calculating methods of obtaining erosion amount using sonic velocity and vitrinite reflectance data of the Xihu Sag. It also analyses the influence of strata erosion on petrloeum accumulation, probing into the applicability of those methods. |
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| Keywords: | sonic velocity vitrinite reflectance strata erosion unconformity the Xihu Sag the shelf basin of East China Sea |
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