| 延安地区上三叠统长6期沉积特征及其演化 |
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| 引用本文： | 王震,吴汉宁,李英,王靖华,柏冠军,赵希刚.延安地区上三叠统长6期沉积特征及其演化[J].煤田地质与勘探,2005,33(6):17-20. |
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| 作者姓名： | 王震 吴汉宁 李英 王靖华 柏冠军 赵希刚 |
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| 作者单位： | 西北大学大陆动力学教育部重点实验室/地质学系,陕西,西安,710069 |
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| 基金项目： | 国家＂973＂基金资助项目（2003CB214600） |
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| 摘 要： | 通过对川口油田测井曲线和岩心分析,总结了延安地区上三叠统长6期沉积微相特征,建立了长6期岩性和测井曲线的响应模式.再结合分析沉积的演化过程、电性和物性特征、骨架砂体的几何形态和沉积演变,得出该地区沉积相和演化模式.认为从长64到长61期沉积环境为湖泊、三角洲前缘、三角洲平原亚相到河流相.长61、长62是主力储层,其物性最好.
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| 关 键 词： | 长6油层组 沉积特征 沉积相与演化模式 延安地区 |
| 文章编号： | 1001-1986（2005）06-0017-03 |
| 收稿时间： | 2005-02-28 |
| 修稿时间： | 2005年2月28日 |
Sedimentary characteristics and evolution during Upper Triassic Chang 6 stage in Yan'an Area |
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| WANG Zhen,WU Han-ning,LI Ying,WANG Jing-hua,BAI Guan-jun,ZHAO Xi-gang.Sedimentary characteristics and evolution during Upper Triassic Chang 6 stage in Yan''''an Area[J].Coal Geology & Exploration,2005,33(6):17-20. |
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| Authors: | WANG Zhen WU Han-ning LI Ying WANG Jing-hua BAI Guan-jun ZHAO Xi-gang |
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| Abstract: | According to analysis results of logging curve and cores in Chuankou oilfield,the study area's rock-logging model of Chang 6 is established.Moreover,the sedimentary facies and evolution model are also established through analyzing sedimentary evolution processes,logging and physical characters,the geometry form of sandbody framework.A conclusion is got that the facies of lake,delta front and plain and river appear in turn.The intervals of Chang 6_1 and Chang 6_2 are the main oil-bearing intervals and their characters are the best among 4 oil-bearing intervals of Chang 6. |
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| Keywords: | Chang 6 oil-bearing interval sedimentary characteristic sedimentary facies evolution model Yan'an area |
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