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Diagenetic evolution of clastic reservoirs and its records in fine subsection:significance and application

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Acta Geochimica 2022年第5期41卷 887-892页

作者： Manwei Zhang Hongjing Zhao taiju yin Wendao Qian Anxin Mei Fan Liu Hubei Key Laboratory of Petroleum Geochemistry and Environment Yangtze UniversityWuhanHubeiChina School of Geosciences Yangtze UniversityWuhanHubeiChina College of Marine Science and Technology China University of GeosciencesWuhanHubeiChina School of Environment and Resource Xichang UniversityXichangSichuanChina Chuanqing Drilling Engineering Company Limited Sulige Project Management Department Sichuan Chengdu ChengduChina

It was showed that understanding of the diagenetic modifications and its associated products in the deeply to ultra-deeply buried tight sandstone reservoirs(DUDTSR)is great important for reservoir characterization and hydrocarbon ***,the fine characterization of diagenetic evolution via geologic modelling in tight sandstones remains a great challenge as for complexity of lithology,temperature,pressure and formation fluid throughout the entire life cycle of tight sandstone *** help get a comprehensive idea of the distribution of diagenetic processes on the formation of DUDTSR in the long geological period,type-I and type-II fine sections of diagenetic stage for clastic reservoirs were creatively proposed and its essence was illustrated using the Paleogene Huagang(EH)Formation in the southern Xihu *** combination of both quantitative and qualitative methods which began with current formation temperature,vitrinite analysis,illite and I/S mixed layers based on analytical testing of the EH Formation,(1)Paleotemperature(T),vitrinite reflectivity and smectite in mixed layer during burial processes were restored based on numerical analysis,(2)The accurate division of diagenetic evolution was identified from coarse to fine process using new model,(3)And finally the geological significance of fine division of the conventional diagenetic stage was illustrated for low-porosity and tight sandstone reservoirs.

关键词： Tight sandstone reservoirs Diagenetic evolution Fine subsection Significance

Analysis of the Sedimentary Characteristics of a Modern Distributive Fluvial System:A Case Study of the Great Halten River in the Sugan Lake Basin,Qinghai,China

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Journal of Earth Science 2023年第4期34卷 1249-1262页

作者： Xianghui Zhang Changmin Zhang Adrian Hartley Qinghai Xu Wenjie Feng taiju yin Rui Zhu School of Geosciences Yangtze UniversityWuhan 430100China Department of Geology and Petroleum Geology School of GeosciencesUniversity of AberdeenAberdeen AB243UEUK

Understanding controls on river planform changes can help to build predictive models for distributive fluvial systems,and then guide the oil and gas *** do this we have undertaken a detailed investigation of the modern Great Halten River distributive fluvial system from the Sugan Lake Basin,Qinghai,*** aerial vehicle(UAV) photography,satellite remote sensing data and elemental analysis were used to determine differences in the sedimentary characteristics of the distributive fluvial *** the apex to the toe,the changes in the slope,river morphology,sedimentary characteristics and element content in different regions were determined and three facies belts:“proximal”,“medial” and “distal” were *** found that the sedimentary structure and elemental content characteristics of each facies differ *** compare the large-scale evolution of rivers from braided to meandering rivers,and the fine description of sedimentary characteristics in combination with each observation,we strengthen our overall understanding of the modern DFS from macro to micro *** the same time,we summarize the sedimentation model of the Great Halten River DFS,and our study provides a reference for establishing the sedimentary model in continental petroliferous basins.

关键词： Sugan Lake Basin distributive fluvial system river morphology sedimentary model sedimentary structure sedimentology.

Stratigraphic Correlation And Division of the Salite Strata

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 138-139页

作者： WANG Hao yin taiju WANG Shu Yangtze University WuhanHubei430100

1 Introduction Stratigraphic correlation is the most important basic work in oil and gas exploration and development,Scientific and reasonable stratigraphic correlation is the premise of developing fine reservoir desc... 详细信息

关键词： In Stratigraphic Correlation And Division of the Salite Strata rock

Application of Attributes Fusion Technology in Prediction of Deep Reservoirs in Paleogene of Bohai Sea

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 148-149页

作者： ZHANG Daxiang yin taiju SUN Shaochuan SHI Qian Yangtze University WuhanHubei 430100

1 Introduction The Paleogene strata(with a depth of more than 2500m)in the Bohai sea is complex(Xu Changgui,2006),the reservoir buried deeply,the reservoir prediction is difficult(LAI Weicheng,XU Changgui,2012),and more

关键词： In data Application of Attributes Fusion Technology in Prediction of Deep Reservoirs in Paleogene of Bohai Sea RGB

Experimental Study on the Effect of Sediment Composition Ratio on Shallow Water Delta

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 146-147页

作者： ZENG Can yin taiju SONG Yakai YAN Xiujin Yangtze University WuhanHubei 430100

1 Introduction Shallow water delta in the middle-newborn Stratum Widely developed with huge oil and gas in China(Hu Shengwu et al.,2013).The control factors on the deltadevelopment like Climate,sea level,tectonic subs... 详细信息

关键词： Experimental Study on the Effect of Sediment Composition Ratio on Shallow Water Delta

Distribution Patterns of Remaining Hydrocarbons Controlled by Reservoir Architecture of Distributary Channel with Different Channel Style: S2 Formation of Songliao Basin, China

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 129-130页

作者： LI Weiqiang yin taiju ZHAO Lun ZHAO Liangdong PetroChina Research Institute of Petroleum Exploration & Development Yangtze University

1 Introduction Reservoir architecture analysis of distributary channel of Daqing oilfield has drawn consistent interest among development geologists and petroleum engineers over the last decade(Lv et al.,1999;Zhou et ... 详细信息

关键词： China Distribution Patterns of Remaining Hydrocarbons Controlled by Reservoir Architecture of Distributary Channel with Different Channel Style

Analysis on Preferred Flowing Path in Shallow Water Delta Front Based on Reservoir Architecture

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 125-126页

作者： Chen Le yin taiju Lin Zhipeng Xiong Yunbin Liu Yunhua School of Geosciences Yangtze University Exploration and Development Research Institute of Zhongyuan Oilfield

1 Introduction The shallow water delta reservoir in South Wen 79Block is in the stage of high water-cut stages,and is still on the *** degree of recovery is low,preferredflowing path is developed and surplus oil is generally distributed with local enrichment(Zhang,2009).The potential of surplus oil is considerable,while the difficulty is also *** the basis of effective tapping for

关键词： reservoir surplus preferred shallow difficulty delta logging sedimentary heterogeneity oilfield

The Anatomy of Shallow Water Sandy Braided River Reservoir Architecture

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 127-128页

作者： CHEN Liang yin taiju SU Yangling WANG Mengmeng SHEN Chunsheng LI Menglu Yangtze University CNOOC branch of Tianjin

1 Introduction Reservoir architecture refers to pattern,scale,direction and overlapping relationship of different levels of architecture *** research of architecture in fluvial phase began in the 1980s(Miall,1985).The... 详细信息

关键词： In The Anatomy of Shallow Water Sandy Braided River Reservoir Architecture

Forming Condition and Geology Prediction Techniques of Deep Clastic Reservoirs

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Acta Geologica Sinica(English Edition) 2017年第S1期91卷 255-256页

作者： QIAN Wendao yin taiju ZHANG Changmin HOU Guowei HE Miao Xia Min Wang Hao Yangtze University Shanghai Branch of CNOOC Ltd

1 Introduction As new exploration domain for oil and gas,reservoirs with low porosity and low permeability have become a hotspot in recent years(Li Daopin,1997).With the improvement of technology,low porosity and low

关键词： Li Forming Condition and Geology Prediction Techniques of Deep Clastic Reservoirs