| 松辽盆地南部永平油田泉四段油气成藏条件分析 |
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| 引用本文： | 王新宇,王德海,王思琳,王金娜,刘奇,贾雨东.松辽盆地南部永平油田泉四段油气成藏条件分析[J].世界地质,2020(2):388-397. |
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| 作者姓名： | 王新宇 王德海 王思琳 王金娜 刘奇 贾雨东 |
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| 作者单位： | 吉林大学地球科学学院;吉林大学地球探测科学与技术学院 |
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| 基金项目： | 国家自然科学基金项目(41202072)。 |
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| 摘 要： | 在永平油田基本成藏条件研究的基础上,根据岩芯、测井和地震等资料,总结了松辽盆地南部永平油田油气成藏规律。结果表明,永平油田的油源主要来自于扶余Ⅰ号构造周边生油凹陷的青山口组一段烃源岩,依靠连通性砂体进行侧向运移,气源主要来自于扶余Ⅰ号构造深部沙河子组与火石岭组的煤系地层,利用断裂沟通深部作垂向运移;嫩江组沉积末期与明水组沉积末期的构造运动对本地区的圈闭类型、天然气藏分布和油藏的破坏起到了重要的控制作用;现今的油气分布与各成藏要素形成时间及匹配关系密切相关,稠油藏以构造油藏为主,广泛分布在穹隆背斜两翼及顶部;常规油藏以构造-岩性油藏为主,分布在穹隆背斜东部的局部地区;天然气藏以构造气藏为主,与深断裂相伴生。
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| 关 键 词： | 松辽盆地 永平油田 泉四段 成藏条件 |
Analysis of hydrocarbon accumulation conditions of 4 th Member of Quantou Formation in Yongping Oilfield,southern Songliao Basin |
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| WANG Xin-yu,WANG De-hai,WANG Si-lin,WANG Jin-na,LIU Qi,JIA Yu-dong.Analysis of hydrocarbon accumulation conditions of 4 th Member of Quantou Formation in Yongping Oilfield,southern Songliao Basin[J].World Geology,2020(2):388-397. |
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| Authors: | WANG Xin-yu WANG De-hai WANG Si-lin WANG Jin-na LIU Qi JIA Yu-dong |
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| Institution: | (College of Earth Sciences,Jilin University,Changchun 130061,China;College of Geo-exploration Science and Technology,Jilin University,Changchun 130026,China) |
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| Abstract: | Based on the study of basic reservoir forming conditions in the Yongping Oilfield,according to the core,logging and seismic data,the authors summarize the hydrocarbon accumulation rules of the Yongping Oilfield in the southern Songliao Basin.The oil source of Yongping Oilfield mainly comes from the source rocks of the 1 st Member Qingshankou Formation in the sags around Fuyu I structure.It relies on connected sandstone for lateral migration.The gas source mainly comes from the coal-bearing successions of Shahezi Formation and Huoshiling Foramation in the deep fault of Fuyu I structure,and the faults are used as pathway for vertical migration.The tectonic movement at the end of the Nenjiang Formation and Mingshui Formation played an important role in controlling the trap type,natural gas reservoir distribution and reservoir damage in this area.Current oil and gas distribution is closely related to the formation time and the assemblage of each accumulation element.Heavy oil are mainly accumulated in structural traps,which are located in the two wings and top of the dome anticline.Conventional oil is mainly accumulated in tectonic-lithologic reservoirs and are locally distributed in the eastern part of the dome anticline,while natural gas is accumulated in structural reservoirs and is associated with deep faults. |
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| Keywords: | Songliao Basin Yongping Oilfield 4 th Member of Quantou Formation hydrocarbon accumulation conditions |
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