| 准噶尔盆地夏盐南部侏罗系三工河组沉积特征及其控制因素 |
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| 引用本文： | 沈伟,方石,路建国,张永波,刘明杨,谭建华,相加林.准噶尔盆地夏盐南部侏罗系三工河组沉积特征及其控制因素[J].世界地质,2018,37(2):507-517. |
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| 作者姓名： | 沈伟 方石 路建国 张永波 刘明杨 谭建华 相加林 |
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| 作者单位： | 1. 吉林大学 地球科学学院, 长春 130061;2. 新疆万盾能源科技有限责任公司, 新疆 克拉玛依 834000;3. 新疆油田公司 陆梁油田作业区, 新疆 克拉玛依 834000 |
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| 基金项目： | 国土资源部杰出青年科技人才培养计划项目（201311111）和国家自然科学基金项目（3A414BA74422，3A509J084422）联合资助. |
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| 摘 要： | 利用岩性、测井曲线、地震反射特征以及储层反演,揭示了夏盐南部下侏罗统三工河组各砂组的沉积相类型主要为湖泊、扇三角洲和重力流;物源主要来自研究区北部和东部两个方向;研究区东部发育扇三角洲前缘,中西部地区发育重力流;其中,三工河组二段上部和三工河组三段半深湖相对发育,三工河组一段上部重力流最发育;三工河组二段下部滨浅湖相对发育。整体上水体由深变浅再变深与该时期气候演化耦合,且气候是研究区沉积演化的主控因素。
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| 关 键 词： | 准噶尔盆地 夏盐南部 三工河组 沉积相 控制因素 |
| 收稿时间： | 2018-02-12 |
| 修稿时间： | 2018-04-28 |
Sedimentary characteristics and its control factors of Jurassic Sangonghe Formation in southern Xiayan area,Junggar Basin |
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| SHEN Wei,FANG Shi,LU Jian-guo,ZHANG Yong-bo,LIU Ming-yang,TAN Jian-hua,XIANG Jia-lin.Sedimentary characteristics and its control factors of Jurassic Sangonghe Formation in southern Xiayan area,Junggar Basin[J].World Geology,2018,37(2):507-517. |
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| Authors: | SHEN Wei FANG Shi LU Jian-guo ZHANG Yong-bo LIU Ming-yang TAN Jian-hua XIANG Jia-lin |
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| Institution: | 1. College of Earth Sciences, Jilin University, Changchun 130061, China;2. Xinjiang Wandun Energy Technology Co., Ltd., Karamay 834000, Xinjiang, China;3. Luliang Oil Recovery Factory, Xinjiang Oilfield Company, Karamay 834000, Xinjiang, China |
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| Abstract: | Based on lithology,well logs,seismic reflections and reservoir inversion,it is revealed that the sedimentary facies distribution of the lower Jurassic Sangonghe Formation in the southern Xiayan area of Junggar Basin is mainly lake,fan delta and gravity flow. The provenances are mainly in the north and in the east of the study area. The fan delta front is developed in the eastern part of the study area,and the gravity flow is developed in the central and western regions. The semi-deep lacustrine facies is relatively developed on the top of second member and third member of Sangonghe Formation. The gravity flow mostly occurred on the top of first member of Sangonghe Formation. The shore-shallow lake mainly developed at the bottom of second member of Sangonghe Formation. In general,the water depth variation is coupled with the climate evolution of the period, which was from deep to shallow to deep,and climate is the main controlling factor of the sedimentary evolution in the study area. |
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| Keywords: | Junggar Basin southern Xiayan area Sangonghe Formation sedimentary facies control factors |
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