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Oil Cracking of Deep Petroleum in Minfeng Sag in North Dongying Depression, Bohai Bay Basin, China: Evidence from Natural Fluid Inclusions

文献类型：期刊论文

作者Ping Hongwei1,2; Chen Honghan1,2,3; Song Guoqi4; Liu Huimin4
刊名JOURNAL OF EARTH SCIENCE
出版日期2010-08-01
卷号21期号:4页码:455-470
关键词Oil Cracking Fluid Inclusion Homogenization Temperature Fluorescence Bitumen Pyrobitumen Natural Gas Dongying Depression
ISSN号1674-487X
DOI10.1007/s12583-010-0107-z
文献子类Article
英文摘要A fluid inclusion fluorescence and microthermometric study was performed on sandstones from the deep Es(4) reservoir rocks of the Minfeng ((sic)) sag, north of Dongying ((sic)) depression. Two types of oil inclusions (yellow and blue white fluorescence), one type of gas inclusions (blue white fluorescence), and bitumen inclusions (no fluorescence) were detected within quartz and feldspar minerals. The evolution of hydrocarbon fluid inclusions in the lower Es(4) sequence indicates that present oil accumulation was predominantly thermal stress controlled. Homogenization temperatures of aqueous fluid inclusions coexisting with gas-bearing and bitumen-bearing fluid inclusions indicate that oil cracking occurred at temperatures up to 160 degrees C, primary condensate or wet gas generation occurred during 170-195 degrees C. Oil has cracked into condensate or wet gas in the depth of 4 300 - 4 410 m and dry gas and abundant pyrobitumen in the depth of more than 4 410 m in the geological history based on the fluid inclusion extrapolation. Secondary oil cracking is undergoing in present day when the depth of reservoir is more than 4 150 m whose temperature is the threshold temperature of oil cracking (160 degrees C). However, because of the consumption of oil in the first oil cracking process, it may have few chances to find liquid petroleum, and only natural gas can be found when the depth of reservoir is more than 4 410 m, where oil cracks into condensate gas or wet gas according to present-day formation temperature. This study is preliminary but foreshadows a new insight into oil cracking using natural fluid inclusions to trace hydrocarbon evolution in sedimentary basins.
WOS关键词DIAMOND-ANVIL CELL ; SOLID BITUMENS ; WESTERN CANADA ; FLUORESCENCE MICROSCOPY ; THERMAL-MATURATION ; CRUDE OILS ; GAS ; RESERVOIR ; HYDROCARBONS ; SEDIMENTARY
WOS研究方向Geology
语种英语
WOS记录号WOS:000280523200008
出版者CHINA UNIV GEOSCIENCES
资助机构National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068) ; National Natural Science Foundation of China(40372068)
源URL[http://ir.iggcas.ac.cn/handle/132A11/72839]  
专题中国科学院地质与地球物理研究所
通讯作者Ping Hongwei
作者单位1.China Univ Geosci, Minist Educ, Key Lab Tecton & Petr Resources, Wuhan 430074, Peoples R China
2.China Univ Geosci, Fac Earth Resources, Wuhan 430074, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
4.Shengli Oilfield Ltd, SINOPEC, Dongying 257015, Peoples R China
推荐引用方式
GB/T 7714		 Ping Hongwei,Chen Honghan,Song Guoqi,et al. Oil Cracking of Deep Petroleum in Minfeng Sag in North Dongying Depression, Bohai Bay Basin, China: Evidence from Natural Fluid Inclusions[J]. JOURNAL OF EARTH SCIENCE,2010,21(4):455-470.
APA Ping Hongwei,Chen Honghan,Song Guoqi,&Liu Huimin.(2010).Oil Cracking of Deep Petroleum in Minfeng Sag in North Dongying Depression, Bohai Bay Basin, China: Evidence from Natural Fluid Inclusions.JOURNAL OF EARTH SCIENCE,21(4),455-470.
MLA Ping Hongwei,et al."Oil Cracking of Deep Petroleum in Minfeng Sag in North Dongying Depression, Bohai Bay Basin, China: Evidence from Natural Fluid Inclusions".JOURNAL OF EARTH SCIENCE 21.4(2010):455-470.

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来源：地质与地球物理研究所

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