| 新疆塔里木盆地温宿凸起石油地质条件新认识 |
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| 作者姓名： | 杨有星 高永进 张君峰 周新桂 张金虎 苗苗青 |
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| 作者单位： | 中国地质调查局油气资源调查中心,北京 100083 |
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| 基金项目： | 中国地质调查局“新疆塔里木、准噶尔外围油气战略选区调查(编号: DD20160203)”“新疆重点区块油气基础地质调查(编号: DD20189602)”和“塔里木盆地西南与东南坳陷油气基础地质调查(编号: DD20160169)”项目联合资助 |
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| 摘 要： | 为了弄清塔里木盆地温宿凸起构造演化、油源条件及圈闭类型等关键地质问题,通过石油地质条件综合分析,结合样品测试分析,查清了温宿地区油气成藏的关键因素,提出了石油地质条件新认识。结果表明: 温宿凸起为一个继承性发育的古隆起,构造演化主要经历了4个发展阶段; 温宿凸起油气藏类型以构造-岩性型为主; 温宿凸起不发育烃源岩,但发育沟通拜城富烃凹陷的高效输导体系; 温宿凸起新近系吉迪克组油气藏类型以构造-岩性型为主; 油气的生成、运移、聚集主要发生在新近纪—第四纪,具有明显的晚期复式成藏特点; 优越的盖层条件是温宿吉迪克组油气藏形成的重要因素。
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| 关 键 词： | 塔里木盆地 温宿凸起 构造演化 新近系 油气成藏条件 |
| 收稿时间： | 2019-04-22 |
New understanding of petroleum geological conditions of Wensu bulge in Tarim Basin,Xinjiang |
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| Authors: | YANG Youxing GAO Yongjin ZHANG Junfeng ZHOU Xingui ZHANG Jinhu MIAO Miaoqing |
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| Institution: | Oil & Gas Survey, China Geological Survey, Beijing 100083, China |
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| Abstract: | In order to solve the key geological problems, such as the tectonic evolution, oil source conditions and the trap type in Wensu bulge, the authors ascertained the key factors of oil and gas accumulation and put forward the new cognitions about petroleum geology, through the comprehensive analysis of petroleum geological conditions and the results of sample test. The results show that Wensu bulge is an inherited developmental paleo-uplift, and the tectonic evolution has experienced four stages. Wensu bulge reservoir type is dominated by tectonic-lithologic types, without the development of source rocks, but it developed a high-efficiency system for communication with the hydrocarbon-rich sag in Baicheng. The reservoirs of Jidike Formation of the Neogene in Wensu bulge are dominated by tectonic-lithologic reservoirs. The hydrocarbon generation, migration and accumulation mainly occured in the Neogene-Quaternary, with obvious characteristics of late complex accumulation. The superior caprock conditions are important factors for the formation of reservoirs in Jidike Formation. |
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| Keywords: | Tarim Basin Wensu bulge tectonic evolution Neogene System hydrocarbon accumulation condition |
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