本文主要研究内容
作者黄彤飞,张光亚,刘爱香,史艳丽,王敏,邹荃,许昕,杨志强（2019）在《中非Muglad盆地Sufyan凹陷现今地层残余结构特征与成因》一文中研究指出：盆地(或凹陷)结构是由盆地构造与沉积演化决定的,因此分析恢复中非Muglad盆地Sufyan凹陷构造与沉积演化过程对于认识该凹陷现今残余结构具有重要的作用。本文通过对该凹陷现今结构特征描述、地层不整合面识别与剥蚀量恢复以及构造沉降和沉积充填历史恢复,并结合区域构造演化分析,对该凹陷现今结构几何学特征、运动学过程与动力学成因及控油作用进行了研究。结果表明:Sufyan凹陷现今地层剖面主要由第一裂谷作用旋回的沉积构成。该旋回期地层约占凹陷现今沉积地层厚度的79%～81%。凹陷现今残余结构主要受三期裂谷作用差异演化控制,而受晚白垩世挤压剥蚀(厚度介于0～360m之间)的影响较小。造成凹陷三期裂谷旋回差异演化的主要原因是三期伸展应力来源、大小、方向的差异。诱发凹陷第一裂谷旋回期的应力主要来源于由中非剪切带的剪切应力转换的伸展应力。第二裂谷旋回期,中非剪切带运动方向由右旋逐渐转为左旋,造成该凹陷位置的伸展应力场减弱,并逐渐转为挤压状态,使得该演化阶段早期沉积的地层(Darfur群)后期发生反转剥蚀减薄。在该凹陷第三裂谷旋回期,东非裂谷成为非洲大陆新的构造活动区域。受此影响,中非剪切带活动逐渐停止,而红海裂谷张开产生伸展应力场与该凹陷长轴近平行,造成第三期断坳旋回在该凹陷几乎不发育,最终使该凹陷现今早断早衰型残余结构得以形成。该结构控油作用主要体现在主力成藏组合与油气优势运移方向方面。早衰型结构造成了Sufyan凹陷中组合和上组合成藏条件不佳,其下组合Abu Gabra(简称AG,下同)组自生自储自盖型成藏组合为该凹陷的主力成藏组合。挤压反转造成中部构造带形成构造高部位,成为了凹陷油气二次运移的主要指向,是凹陷油气勘探的有利区带。
Abstract
pen de (huo ao xian )jie gou shi you pen de gou zao yu chen ji yan hua jue ding de ,yin ci fen xi hui fu zhong fei Mugladpen de Sufyanao xian gou zao yu chen ji yan hua guo cheng dui yu ren shi gai ao xian xian jin can yu jie gou ju you chong yao de zuo yong 。ben wen tong guo dui gai ao xian xian jin jie gou te zheng miao shu 、de ceng bu zheng ge mian shi bie yu bao shi liang hui fu yi ji gou zao chen jiang he chen ji chong tian li shi hui fu ,bing jie ge ou yu gou zao yan hua fen xi ,dui gai ao xian xian jin jie gou ji he xue te zheng 、yun dong xue guo cheng yu dong li xue cheng yin ji kong you zuo yong jin hang le yan jiu 。jie guo biao ming :Sufyanao xian xian jin de ceng pou mian zhu yao you di yi lie gu zuo yong xuan hui de chen ji gou cheng 。gai xuan hui ji de ceng yao zhan ao xian xian jin chen ji de ceng hou du de 79%～81%。ao xian xian jin can yu jie gou zhu yao shou san ji lie gu zuo yong cha yi yan hua kong zhi ,er shou wan bai e shi ji ya bao shi (hou du jie yu 0～360mzhi jian )de ying xiang jiao xiao 。zao cheng ao xian san ji lie gu xuan hui cha yi yan hua de zhu yao yuan yin shi san ji shen zhan ying li lai yuan 、da xiao 、fang xiang de cha yi 。you fa ao xian di yi lie gu xuan hui ji de ying li zhu yao lai yuan yu you zhong fei jian qie dai de jian qie ying li zhuai huan de shen zhan ying li 。di er lie gu xuan hui ji ,zhong fei jian qie dai yun dong fang xiang you you xuan zhu jian zhuai wei zuo xuan ,zao cheng gai ao xian wei zhi de shen zhan ying li chang jian ruo ,bing zhu jian zhuai wei ji ya zhuang tai ,shi de gai yan hua jie duan zao ji chen ji de de ceng (Darfurqun )hou ji fa sheng fan zhuai bao shi jian bao 。zai gai ao xian di san lie gu xuan hui ji ,dong fei lie gu cheng wei fei zhou da liu xin de gou zao huo dong ou yu 。shou ci ying xiang ,zhong fei jian qie dai huo dong zhu jian ting zhi ,er gong hai lie gu zhang kai chan sheng shen zhan ying li chang yu gai ao xian chang zhou jin ping hang ,zao cheng di san ji duan ao xuan hui zai gai ao xian ji hu bu fa yo ,zui zhong shi gai ao xian xian jin zao duan zao cui xing can yu jie gou de yi xing cheng 。gai jie gou kong you zuo yong zhu yao ti xian zai zhu li cheng cang zu ge yu you qi you shi yun yi fang xiang fang mian 。zao cui xing jie gou zao cheng le Sufyanao xian zhong zu ge he shang zu ge cheng cang tiao jian bu jia ,ji xia zu ge Abu Gabra(jian chen AG,xia tong )zu zi sheng zi chu zi gai xing cheng cang zu ge wei gai ao xian de zhu li cheng cang zu ge 。ji ya fan zhuai zao cheng zhong bu gou zao dai xing cheng gou zao gao bu wei ,cheng wei le ao xian you qi er ci yun yi de zhu yao zhi xiang ,shi ao xian you qi kan tan de you li ou dai 。
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论文作者分别是来自岩石学报的黄彤飞,张光亚,刘爱香,史艳丽,王敏,邹荃,许昕,杨志强，发表于刊物岩石学报2019年04期论文，是一篇关于凹陷结构论文,构造演化论文,中非剪切带论文,凹陷论文,盆地论文,岩石学报2019年04期论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自岩石学报2019年04期论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。