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| 鄂尔多斯盆地华池地区三叠系延长组长4+5油层组沉积相研究 | |
| 引用本文： | 张慧元,李文厚,张慧军,田发国,谭晨曦. 鄂尔多斯盆地华池地区三叠系延长组长4+5油层组沉积相研究[J]. 特种油气藏, 2010, 17(2): 27-30 |
| 作者姓名： | 张慧元 李文厚 张慧军 田发国 谭晨曦 |
| 作者单位： | 1. 大陆动力学国家重点实验室,西北大学,陕西,西安,710069 2. 中油吐哈油田分公司,新疆,鄯善,838202 3. 中油长庆油田分公司,陕西,西安,710018 |
| 基金项目： | 国家重点基础研究发展规划(973计划) |
| 摘 要： | 以露头、岩心、测井曲线为基础,通过对研究区内的岩性特征、测井曲线形态及沉积微相特征进行分析,对该区的沉积特征有了更清楚的认识。认为华池地区延长组长4+5油层组主要由三角洲沉积体系和湖泊沉积体系组成,并进一步分为多种亚相。三角洲沉积体系既有北东向的曲流河三角洲沉积,也有南西向的辫状河三角洲沉积。这将有助于在更深层次上对长4+5油层组的储层特征与展布、油气富集规律、圈闭的成藏机理等问题的认识,为该区油气勘探提供一些依据。 |
| 关 键 词： | 沉积体系 三角洲 湖泊 亚相 沉积微相 华池地区 |
Study on sedimentary facies of Chang 4+5 oil unit in Triassic Yanchang formation in Huachi area of Ordos Basin |
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| ZHANG Hui-yuan,LI Wen-hou,ZHANG Hui-jun,TIAN Fa-guo,TAN Chen-xi. Study on sedimentary facies of Chang 4+5 oil unit in Triassic Yanchang formation in Huachi area of Ordos Basin[J]. Special Oil & Gas Reservoirs, 2010, 17(2): 27-30 | |
| Authors: | ZHANG Hui-yuan LI Wen-hou ZHANG Hui-jun TIAN Fa-guo TAN Chen-xi |
| Affiliation: | ZHANG Hui-yuan1,LI Wen-hou1,ZHANG Hui-jun2,TIAN Fa-guo3,TAN Chen-xi1(1. State Key Laboratory of Continental Dynamics,Northwest University,Xi'an,Shaanxi 710069,China,2. Tuha Oilfield Company,PetroChina,Shanshan,Xinjiang 838202,3. Changqing Oilfield Company,Shaanxi 710018,China) |
| Abstract: | This paper studies the sedimentary characteristics through analysis of lithology,logs and sedimentary microfacies based on outcrop,core and well logging data of the study area. It is thought that the Chang 4+5 oil unit of Yanchang formation in Huachi area mainly comprises delta and lacustrine depositional systems which can be further divided into many subfacies. This delta depositional system includes not only NE-trending meandering river delta sedimentation but also SW-trending braided river delta sediment... |
| Keywords: | depositional system delta lacus subfacies sedimentary microfacies Huachi area |
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