再论东濮凹陷沙三段成盐模式
依据井点X衍射矿物和氯同位素垂向分布资料,分析东濮凹陷盐岩垂向序列,并结合咸水蒸发实验和盐湖钻孔资料分析盐岩沉积及保存过程,研究东濮凹陷沙三段成盐模式。结果表明:浅水蒸发成盐过程中保持有足够的水深,为盐下有机质的保存提供便利,浅水盐岩与油页岩及黄铁矿伴生不矛盾;淡水的注入是影响垂向盐韵律组成的关键因素,注入量少时可能引起氯同位素的变化,随着注入量的增大可能引起盐韵律中氯化物乃至硫化物的缺失;凹陷满盆含砂、控边断层上盘缺少粗碎屑的现象可能是边界断层长期小规模活动造成的,东濮凹陷沙三段盐岩更有可能是浅水蒸发成因。...
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Published in | 中国石油大学学报(自然科学版) Vol. 40; no. 3; pp. 9 - 15 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
中石化中原油田分公司勘探开发研究院,河南濮阳,457001%河南理工大学安全科学与工程学院,河南焦作,454003
2016
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Subjects | |
Online Access | Get full text |
ISSN | 1673-5005 |
DOI | 10.3969/j.issn.1673-5005.2016.03.002 |
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Abstract | 依据井点X衍射矿物和氯同位素垂向分布资料,分析东濮凹陷盐岩垂向序列,并结合咸水蒸发实验和盐湖钻孔资料分析盐岩沉积及保存过程,研究东濮凹陷沙三段成盐模式。结果表明:浅水蒸发成盐过程中保持有足够的水深,为盐下有机质的保存提供便利,浅水盐岩与油页岩及黄铁矿伴生不矛盾;淡水的注入是影响垂向盐韵律组成的关键因素,注入量少时可能引起氯同位素的变化,随着注入量的增大可能引起盐韵律中氯化物乃至硫化物的缺失;凹陷满盆含砂、控边断层上盘缺少粗碎屑的现象可能是边界断层长期小规模活动造成的,东濮凹陷沙三段盐岩更有可能是浅水蒸发成因。 |
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AbstractList | TE122; 依据井点X衍射矿物和氯同位素垂向分布资料,分析东濮凹陷盐岩垂向序列,并结合咸水蒸发实验和盐湖钻孔资料分析盐岩沉积及保存过程,研究东濮凹陷沙三段成盐模式.结果表明:浅水蒸发成盐过程中保持有足够的水深,为盐下有机质的保存提供便利,浅水盐岩与油页岩及黄铁矿伴生不矛盾;淡水的注入是影响垂向盐韵律组成的关键因素,注入量少时可能引起氯同位素的变化,随着注入量的增大可能引起盐韵律中氯化物乃至硫化物的缺失;凹陷满盆含砂、控边断层上盘缺少粗碎屑的现象可能是边界断层长期小规模活动造成的,东濮凹陷沙三段盐岩更有可能是浅水蒸发成因. 依据井点X衍射矿物和氯同位素垂向分布资料,分析东濮凹陷盐岩垂向序列,并结合咸水蒸发实验和盐湖钻孔资料分析盐岩沉积及保存过程,研究东濮凹陷沙三段成盐模式。结果表明:浅水蒸发成盐过程中保持有足够的水深,为盐下有机质的保存提供便利,浅水盐岩与油页岩及黄铁矿伴生不矛盾;淡水的注入是影响垂向盐韵律组成的关键因素,注入量少时可能引起氯同位素的变化,随着注入量的增大可能引起盐韵律中氯化物乃至硫化物的缺失;凹陷满盆含砂、控边断层上盘缺少粗碎屑的现象可能是边界断层长期小规模活动造成的,东濮凹陷沙三段盐岩更有可能是浅水蒸发成因。 |
Author | 彭君 冯阵东 国殿斌 程秀申 慕文俊 |
AuthorAffiliation | 中石化中原油田分公司勘探开发研究院,河南濮阳457001 河南理工大学安全科学与工程学院,河南焦作454003 |
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Author_FL | MU Wenjun FENG Zhendong GUO Dianbin CHENG Xiushen PENG Jun |
Author_FL_xml | – sequence: 1 fullname: PENG Jun – sequence: 2 fullname: FENG Zhendong – sequence: 3 fullname: GUO Dianbin – sequence: 4 fullname: CHENG Xiushen – sequence: 5 fullname: MU Wenjun |
Author_xml | – sequence: 1 fullname: 彭君 冯阵东 国殿斌 程秀申 慕文俊 |
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DocumentTitleAlternate | Revisiting salt-forming models in the third member of Shahejie Formation in Dongpu Depression |
DocumentTitle_FL | Revisiting salt-forming models in the third member of Shahejie Formation in Dongpu Depression |
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Keywords | 东濮凹陷 氯同位素 盐岩成因 沙三段 Cl isotope Dongpu Depression salt rock sequence 盐岩序列 the third member of Shahejie Formation origin of salt rock |
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Notes | PENG Jun1, FENG Zhendong2 , GUO Dianbin1 , CHENG Xiushen1 , MU Wenjun2 ( 1. Research Institute of Exploration and Development, Zhongyuan Oilfiled, Puyang 457001, China; 2. College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China) Based on mineral X diffraction and the vertical distribution of chlorine isotopes, vertical sequences in Dongpu Depression and deposition and preservation processes of salt rock were analyzed combining the experiments of saline water evaporation and the salt lake drill data. The salt-forming models in Dongpu Depression from the deep-rooted mechanism were developed. Results suggest that, organic preservation may be facilitated with sufficient water depth during evaporation of saltforming process in shallow water. Salt rock in shadow water may form with oil shale and pyrite. The volume of injected freshwater is the main factor to affect the vertical salt rhythmic deposition: it may cause the Cl isotope to vary when the injection is small, but with r |
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PublicationTitle_FL | Journal of China University of Petroleum(Edition of Natural Science) |
PublicationYear | 2016 |
Publisher | 中石化中原油田分公司勘探开发研究院,河南濮阳,457001%河南理工大学安全科学与工程学院,河南焦作,454003 |
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SubjectTerms | 东濮凹陷 氯同位素 沙三段 盐岩序列 盐岩成因 |
Title | 再论东濮凹陷沙三段成盐模式 |
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