GEOCHEMICAL

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Paleoenvironmental reconstruction and organic matter accumulation of the paleogene shahejie oil shale in the Zhanhua Sag, Bohai Bay Basin, Eastern China
《Petroleum Science》2024年第3期1552-1568,共17页Xiao-Lin Wang Xiao-Min Zhu Jin Lai Xing-Yue Lin Xiang Wang Yu-Shan Du Chao Huang Yu-Rui Zhu 
supported by the National Natural Science Foundation of China(No.42272110)。
The controlling factors of organic-rich shale accumulation is essential for the exploration and development of shale oil and gas resources.The sedimentary environment plays a vital role in the formation of organic-ric...
关键词：Elemental geochemical PALEOENVIRONMENT Organic matter accumulation Paleogene shahejie formation Zhanhua Sag Bohai Bay Basin 
Distribution and geochemical significance of alkylbenzenes for crude oil with different depositional environments and thermal maturities
《Petroleum Science》2024年第2期777-790,共14页Bing-Kun Meng Dao-Fu Song Yuan Chen Sheng-Bao Shi 
supported by Doctor’s Scientific Research Initiation Project of Yan’an University(YAU202213093);National Natural Science Foundation of China(Grant No.41503029)。
A total of 45 alkylbenzenes were detected and identified in crude oils with different depositional environments and thermal maturities from the Tarim Basin,Beibuwan Basin,and Songliao Basin using comprehensive two-dim...
关键词：1 2 4 5-Tetramethylbenzene GC×GC-TOFMS Organic matter origin Depositional environment 
Intelligent geochemical interpretation of mass chromatograms:Based on convolution neural network
《Petroleum Science》2024年第2期752-764,共13页Kai-Ming Su Jun-Gang Lu Jian Yu Zi-Xing Lu Shi-Jia Chen 
financially supported by China Postdoctoral Science Foundation(Grant No.2023M730365);Natural Science Foundation of Hubei Province of China(Grant No.2023AFB232)。
Gas chromatography-mass spectrometry(GC-MS)is an extremely important analytical technique that is widely used in organic geochemistry.It is the only approach to capture biomarker features of organic matter and provide...
关键词：Organic geochemistry BIOMARKER Mass chromatographic analysis Automated interpretation Convolution neural network Machine learning 
Organic geochemical and petrographic characteristics of the Cambrian-Ordovician organic-rich marine shales in Scandinavia
《Petroleum Science》2023年第5期2637-2647,共11页Xiao-Wei Zheng Niels-HSchovsbo Lei-Bo Bian Arka Rudra Hamed Sanei 
This work used organic geochemistry and organic petrology to study the depositional environment,organic matter characteristics,and thermal maturity of the Cambrian-Ordovician organic-rich marine shales in the Baltic B...
关键词：Lower paleozoic Organic petrology Initial hydrogen index Original geochemical properties 
Geochemical,mineralogical,and petrological analyses for the interpretation of the sedimentary environment of the Middle-Late Ordovician Majiagou Formation(northern China)as a tool for more effective gas exploration
《Petroleum Science》2022年第6期2519-2532,共14页Jie Gao Da-Wei Lv A.J.(Tom) van Loon Dun Wu 
financially supported by the National Key R&D Plan of China (Grant No. 2017YFC0601405);the National Natural Science Foundation of China (Grant No. 41772096);the Youth Innovation Team Development Plan of Universities in Shandong Province, the Shandong Province Key Research and Development Plan (Grant No. 2019GGX103021);the SDUST Research Fund (Grant No.2018TDJH101)
Core samples from the deeply buried Ordovician Majiagou Formation below the Huainan Coalfield(E China) have been investigated for their carbonate types,major and trace elements(including rare earth elements) and C and...
关键词：Majiagou Formation Middle Ordovician Major-element analysis REE analysis Trace-element analysis Hydrocarbon exploration 
Identification and geochemical significance of unusual C24 tetracyclic terpanes in Shahejie Formation source rocks in the Bozhong subbasin,Bohai Bay Basin被引量：2
《Petroleum Science》2022年第5期1993-2003,共11页Ning Wang Yao-Hui Xu Fei-Long Wang Yan Liu Qian Huang Xing Huang 
supported by open fund of Key Laboratory of Exploration Technologies for Oil and Gas Resources(Yangtze University),Ministry of Education,No.K2021-13;China Postdoctoral Science Foundation(2021M692751);Tianjin branch of CNOOC(CCL2020TJT0NST1956)。
C_(24)tetracyclic terpanes are common compounds in source rocks and crude oils,and C_(24)17,21-secohopane is the most common and widely used source-related indicator.In this study,three unusual C_(24)tetracyclic terpa...
关键词：Unusual tetracyclic terpanes 10β(H)-des-A-oleanane 10β(H)-des-A-lupane Geochemical significance Shahejie Formation Bozhong subbasin 
Source of silica and its implications for organic matter enrichment in the Upper Ordovician-Lower Silurian black shale in western Hubei Province,China:Insights from geochemical and petrological analysis被引量：4
《Petroleum Science》2022年第1期74-90,共17页Quan-Sheng Cai Ming-Yi Hu Bao-Min Zhang Ngong Ngia An Liu Rui-Quan Liao Oumar Kane Hai Li Zhong-Gui Hu Qing-Jie Deng Jun-Jun Shen 
financially supported by the Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education(China University of Geosciences)(Grant no.TPR-2021-13);the Science and technology research project of Hubei Provincial Department of Education(Grant no.Q20211304);the National Science and Technology Major Project of China(Grant no.2016ZX05034001002;2017ZX05035001-002)。
To improve the understanding of the relationship between silica source and organic matter accumulation,the origin of silica and its implications for organic matter enrichment in the Upper OrdovicianLower Silurian(O_(3...
关键词：Biogenic silica Terrigenous siliciclastic input Organic matter enrichment Black shale Continental shelf Sea-level change Wufeng-Longmaxi formations 
The effects of diagenesis on the petrophysical and geochemical attributes of the Asmari Formation,Marun oil field,southwest Iran被引量：1
《Petroleum Science》2020年第2期292-316,共25页J.Jafari A.Mahboubi R.Moussavi-Harami I.S.Al-Aasm 
Ferdowsi University of Mashhad for their logistic and financial support during this study(Project No.3/27852);NSERC for their support.
The distribution of good reservoir quality and its causes is the main challenges in carbonate reservoir characterization.This study investigates the effects of diagenetic processes on the reservoir quality of the carb...
关键词：ZAGROS basin Marun oil field Oligo-Miocene Asmari FM DIAGENESIS GEOCHEMICAL characteristics and Reservoir quality 
How important is carbonate dissolution in buried sandstones:evidences from petrography,porosity,experiments,and geochemical calculations被引量：8
《Petroleum Science》2019年第4期729-751,共23页Guang-Hui Yuan Ying-Chang Cao Jon Gluyas Yan-Zhong Wang Ke-Yu Liu Ke-Lai Xi Tian Yang Jian Wang 
funded by the Natural Science Foundation of China Project(Nos.41602138,41872140,41911530189);the National Science and Technology Special Grant(No.2016ZX05006-007;No.2016ZX05006-003);the Fundamental Research Funds for the Central Universities(18CX07007A);the State Key Laboratory of Organic Geochemistry,GIGCAS(No.SKLOG-201709)
Burial dissolution of feldspar and carbonate minerals has been proposed to generate large volumes of secondary pores in subsurface reservoirs. Secondary porosity due to feldspar dissolution is ubiquitous in buried san...
关键词：Mesodiagenetic Carbonate dissolution PETROGRAPHY GEOCHEMICAL Buried sandstones 
Geochemical evaluation of low salinity hot water injection to enhance heavy oil recovery from carbonate reservoirs
《Petroleum Science》2019年第2期366-381,共16页Ji Ho Lee Kun Sang Lee 
financially supported by the Energy Efficiency and Resources of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) Grant funded by the Korea government Ministry of Knowledge Economy (No. 20172510102290)
Although low salinity water injection(LSWI) has recovered residual oil after the conventional waterflood, highly viscous oil has remained in heavy oil reservoirs. Hot water injection is an economic and practical metho...
关键词：Low SALINITY WATER INJECTION Hot WATER INJECTION WETTABILITY modification GEOCHEMICAL reaction VISCOSITY reduction 
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