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| 1 | The Cambrian sedimentary characteristics and their implications for oil and gas exploration in north margin of Middle-Upper Yangtze Plate显示文摘Using data from tens of measured and observed outcrop successions,thin rock slices and sample analyses,we comprehensively studied the Cambrian sedimentary environments and evolutionary characteristics in the north margin of the Middle-Upper Yangtze Plate.During the Cambrian,platform,slope,and deep sea basin environments were developed in the study area.On the platform,both clastic rocks and carbonate rocks were deposited.Clastic rocks mainly occur in the Lower Cambrian,and were deposited in marine shore and shelf environments.Carbonate rocks are dominant in the Middle and Upper Cambrian,and were deposited in the open platform,restricted platform,tidal flat,beach,and reef environments.Carbonate gravity flow deposits were developed on the slope.In the basin,mainly black shales and chert beds were deposited.The Cambrian represents one large transgression-regression cycle,and maximum transgression occurred in the Qiongzhusi Age of the Early Cambrian.Tectonics and sea level fluctuations had important impacts on sedimentary environments.The Chengkou-Fangxian-Xiangfan Fracture controlled the position of the platform,slope and basin,as well as the silica supply for chert deposition in basin.Sea level fluctuations controlled types of sediments and sedimentary facies on the platform.In the study area,there are good reservoir rocks,including dolomites,grainstones,debris flow deposits,sandstones,and conglomerates;there are good source rocks,including black shales,dark micrites,and chert beds;and there are also good reservoir-source rock assemblages.The hydrocarbon potential of the study area is great. | YU KuanHong JIN ZhenKui SU Kui DONG XiaoDong ZHANG Wei DU HongYu CHEN Ying ZHANG WeiDan | 2013 | Science China Earth Sciences2013，56，6： | 9 |
| 2 | Physical Mechanism of Organic Matter-Mineral Interaction in Longmaxi Shale,Sichuan Basin,China显示文摘Objective Shale gas is as an important kind of unconventional natural gas,with a great resource potential,and its exploration and development has attracted much attention around the world.Organic matter(OM)pores are a common constituent in shales and form the dominant pore network of many shale gas systems.The common viewpoint holds that the development of OM pores is related to thermal | ZHAO Jianhua JIN Zhijun JIN Zhenkui WEN Xin GENG Yikai | 2016 | Acta Geologica Sinica(English Edition)2016，90，5： | 8 |
| 3 | Depositional characteristics and petroleum geological significance of wetland显示文摘Wetland is a new type of sedimentary facies proposed for the first time in this paper.It is a type of sedimentary environment,transitional between land facies and water(sea or lake) facies.In this paper,wetland is redefined as 'a type of sedimentary environments whose ground surface is flat and wet throughout the year,which may be covered with very shallow water(less than 2 m deep),and is covered with lush plant growth'.Wetland is reclassified into two types,swamp wetland(swamp in brief) and wet plain wetland(wet plain in brief).Swamp deposits are coal,while wet plain deposits are dark colored mudstones or silty mudstones rich in plant fossils and carbon debris.The deposits of wet plain are different from those of lake and floodplain in the abundance of plant fossils,color,resistivity well logging curve,and other sedimentary characteristics.In boreholes,resistivity logging can be used to distinguish between wet plain mudstones and lake mudstones.Understanding the sedimentary characteristics of wet plain wetland can help to identify wet plain deposits which were formerly classified as floodplain or lake deposits.This will help to reconstruct the palaeogeography and to understand the history of basin and climate evolution accurately,and is especially important in evaluation of the hydrocarbon generating potential of a basin.With the Jurassic Sangonghe Formation of the Yanqi Basin as an example,the identification characteristics of wetland are described. | Jin Zhenkui Gu Junfeng Su Nina Wang Zhaofeng Huang Xiaoping | 2009 | Petroleum Science2009，6，4： | 5 |
| 4 | Distribution and genesis of secondary pores in Paleogene clastic reservoirs of Beidagang structural belt in the Huanghua depression显示文摘The distribution and genesis of secondary pores in Paleogene clastic reservoirs of Beidagang structural belt in the Huanghua depression have been systematically studied. We investigated sedimentary facies and carried out a comprehensive analy-sis of the vast amount of data from casting thin sections, scanning electron microscope and physical data. Then we analyzed the pore types, pore evolution, distribution and genesis of secondary pores in our study area and discussed the factors controlling the distribution of secondary pores. The results show that pores in the study area are largely composed of intergranular dissolution pores and constituent dissolved pores. Three secondary pore zones were developed in the study area at depths of 2800~3400 m, 3600~4200 m and 4500~4800 m. Secondary pores have been formed mainly because carbonate cement, feldspar, clastic debris and other plastic substances were dissolved by organic acid, released during the evolution of organic matter and acid water formed by CO2. The development and distribution of secondary pores are vertically controlled by the maturity time of source rocks and hori-zontally by the distribution of acid water. As well, this distribution was affected by the sedimentary facies belt and the development of fault zones. | SU Nina, JIN Zhenkui, SONG Fan Faculty of Natural Resource and Information Technology, China University of Petroleum, Beijing 102249, China | 2010 | Mining Science and Technology2010，20，1： | 4 |
| 5 | Braided river and distribution patterns of sand bodies of Jurassic Badaowan formation in Block T13 of Junggar basin显示文摘In order to determine the planar and volume distribution of sand bodies of the Jurassic Badaowan formation in Block T13 of Junggar basin,we used analysis of field outcrop and 3D seismic data,which play an essential role in areas of sparse well coverage.We describe sedimentary facies characteristics,sand body planforms,width and connectivity patterns of sand bodies,and vertical associations and successions by acoustic impedance inversion technology and sedimentological theory.Results of our study show braided fluvial strata deposits in the Jurassic Badaowan formation.Each sand body is approximately lenticular in shape.The width of each sand body falls in the range 100~800 m,with most between 200 and 400 m.The sand bodies vary in thickness from 4 to 13 m,with most below 9 m.The width/thickness ratios lie in the range 20~55.The connectivity of braided fluvial channel sand bodies is controlled by changes of accommodation space.One fining-upward sedimentary cycle of base-level rise is recognized in Badaowan formation,representing an upward rise of base level.The connectivity of sand bodies was found to be greatest in the early stage of base-level rise,becoming progressively worse with increasing base-level rise. | SUN Xiaofang JIN Zhenkui WANG Zhaofeng HUANG Xiaoping GU Junfeng | 2010 | Mining Science and Technology2010，20，3： | 4 |
| 6 | Characteristics of Biogenic Silica and Its Effect on Reservoir in Wufeng-Longmaxi Shales,Sichuan Basin显示文摘Further researches of shale petrology indicate that clay minerals are not the dominant mineral in most shale reservoirs.Depending on the reservoir,shales are typically dominated by quartz,calcite,or mixtures of these minerals and the quartz content is usually more than 30%.Besides the detrital quartz,biogenic silica is also an important part of shale reservoir.In order to analyze the genesis of quartz in gas shale and its effect on the reservoir quality。 | ZHAO Jianhua JIN Zhijun JIN Zhenkui WEN Xin GENG Yikai YAN Caina | 2015 | Acta Geologica Sinica(English Edition)2015，89，A01： | 3 |
| 7 | Depositional environment of shale in Wufeng and Longmaxi Formations, Sichuan Basin显示文摘Formation of organic-rich shale was controlled by depositional processes and environment condition.According to petrology,mineralogy,fossil composition and sedimentary structure,seven lithofacies of shale were identified in the Wufeng Formation to Longmaxi Formation,e.g.,siliceous shale,silty shale,argillaceous shale,calcareous shale,shell-bearing argillaceous limestone/calcareous mudstone,siltstonefine sandstone and bentonite.For shale in the Wufeng and Longmaxi Formations,the depositional mode was not only the suspension deposition under the low-energy hydrodynamic condition,but also the biogenic deposition,the storm deposition and the bottom current deposition indicated by large amount of siliceous biological fossils,biological detritus with size graded structure,silt laminations,lenticular bedding,ripple cross-bedding and other sedimentary structures.Trace element analysis suggested that the siliceous shale in theWufeng Formation and the lower part of Longmaxi Formation was developed in the oxygen-dysoxic/anoxic depositional environment,which was rich in organic matters;then due to influence of the sea level gradually decline and bottom current,the silty and argillaceous shales were formed,and the oxygen-dysoxic/anoxic depositional environment was destroyed,gradually leading to the worse preservation condition of organic matter. | Jianhua Zhao Zhijun Jin Zhenkui Jin Xin Wen Yikai Geng Caina Yan Haikuan Nie | 2017 | Petroleum Research2017，2，3： | 2 |
| 8 | Sedimentary conditions for good coal reservoir development in the Carboniferous and Permian,Qinshui Basin显示文摘In the Carboniferous and Permian of the Qin-shui Basin, coal reservoirs are well developed. But different coal reservoirs are obviously different in distribution, thickness and reservoir performance, etc. This paper studies the factors controlling the development and distribution of good coal reservoirs from the viewpoint of sedimentology and sequence stratigraphy. The study shows that good coal reservoirs are mainly formed in marsh environments on tidal flats and delta plains. The coal reservoirs formed on tidal flats are more continuous laterally than those on delta plains. The fluctuation of sea level shows important control over the vertical and lateral distribution of coal reservoirs. Generally speaking, the coal reservoirs formed in the highstand system tracts are more abundant, thicker and more widespread, and thus the highstand system tracts are more favorable to the formation of good coal reservoirs. The coal reservoirs formed in the transgressive system tracts are lower in abundance, thinner and much less widespread, and thus the transgressive system tracts are not favorable to the formation of good coal reservoirs. | Zhenkui Jin Chunsheng Wang | 2005 | Chinese Science Bulletin2005，50，S1： | 2 |
| 9 | Type, origin, and reservoir characteristics of dolostones of the Ordovician Majiagou Group, Ordos, North China Platform显示文摘 | Feng Zengzhao Zhang Yongsheng Jin Zhenkui | 1998 | Sedimentary Geology1998，，1： | 1 |
| 10 | Stratigraphic Framework and Microfacies of the Triassic Lower Karamay Formation in Districts Ⅰ,Ⅲ, NW Junggar, China显示文摘The Triassic Lower Karamay Formation(T2k1) is one of the main oil-bearing stratigraphic units in the northwestern margin of Junggar Basin(NW Junggar), China. Based on an integrated investigation of outcrops, well logs and seismic data of NW Junggar, the Lower Karamay Formation is subdivided into 2 sets, 6 beds and 13 layers. Also, it is considered that the alluvial fan, the braided river, the meandering river and the shore-shallow lacustrine were developed during the early period of Middle Triassic in Karamay districts Ⅰ, Ⅲ. The Lower Karamay Formation deposits the following 9 sedimentary subfacies: the lower fan, the middle fan, the upper fan, the braided channel, the overflow bank, the river flood of braided river, the meandering channel, the river flood of meandering river, the shore-shallow lacustrine. Seventeen microfacies such as the braided stream channel, the alluvial sand floodplain, the alluvial glutenite floodplain, the water channel, the channel bar etc. have been identified in subfacies as well. The thickness of strata is firstly up-thinning and then thickening upward to the top, it is a process from large-scale lacustrine transgression to partly lacustrine regression. Furthermore, the microfacies planar distributing law proves that the remaining oil may enrich along the margin of microfacies because of the planar microfacies changes. Therefore, this research is beneficial for searching remaining oil in NW Junggar and providing information to the project 'The Secondary Exploration' of PetroChina. | Miao He Zhenkui Jin Tingdong Li Xiujuan Guo Ting Yang | 2014 | Journal of Earth Science2014，25，6： | 1 |
| 11 | Type, origin, and reservoir characteristics of dolostones of the Ordovician Majiagou Group, Ordos, North China Platform显示文摘 | Feng Zengzhao Zhang Yongsheng Jin Zhenkui | 1998 | Sedimentary Geology1998，，1： | 1 |
| 12 | Types and origin of dolostones in the Lower Palaeozoic of the North China Platform显示文摘 | Feng Zengzhao Jin Zhenkui | 1996 | Sedimentary Geolo- gy1996，94，34： | 1 |
| 13 | Type, origin, and reservoir characteristics of dolostones of the Ordovician Majiagou Group, Ordos, North China Platform 显示文摘 | Feng Zengzhao Zhang Yongsheng Jin Zhenkui | 1998 | Sedimentary Geology1998，118，14： | 1 |
| 14 | Types and origin of dolostones in the Lower Palaeozoic of the North China Platform显示文摘 | FENG ZENGZHAO JIN ZHENKUI | 1994 | Sedimentary Geology1994，93，： | 1 |
| 15 | Types,origin,and reservoir charactereristic of dolostones of the Ordovician Majiagou Group,Ordos,North China Platform显示文摘 | FENG ZENGZHAO ZHANG YONGSHENG JIN ZHENKUI | 1998 | Sedimentary Geology1998，118，： | 1 |
| 16 | Type, origin, and reservoir characteristics of dolostone of the Ordovician Majiagou Group, Ordos, North China Platform显示文摘 | Feng Zengzhao Zhang Yongsheng Jin Zhenkui | 1998 | Sedimentary Geology1998，118，： | 1 |
| 17 | Type, origin, and reservoir characteristics of dolostone of the Ordovician Majiagou Group, Ordos, North China Platform显示文摘 | FENG ZENGZHAO ZHANG YONGSHENG JIN ZHENKUI | 1998 | Sedimentary Geology1998，118，： | 1 |
| 18 | New Discovery of Upper Crustal High-and Low-Velocity Belts and High-Velocity Core in the Tarim Basin显示文摘The Tarim Basin is the biggest oil-and gas-bearing basin in China,which has undergone long-term and complicated evolutionary history.During each evolutional stage and in different sub-basins in the same stage,the Tarim Basin has different proto-types,and it is thus named a composite and superimposed basin.A study on the basement nature of such a complex but significant to the national oil and gas strategy basin is of great significance(Huang Chenjun et al.,2017).Based on earthquake data,detailed velocity structure of deep basin can be obtained in order to research the basement nature. | WANG Tengfei JIN Zhenkui YU Xiaoxia CHENG Rihui SONG Xue YANG Baoju LI Shuo SHI Shuting | 2019 | Acta Geologica Sinica(English Edition)2019，93，1： | 0 |
| 19 | Characteristics and origin of high-quality lacustrine carbonate reservoirs in the gentle slope area of the Qikou Sag, Bohai Bay Basin显示文摘Lacustrine carbonate reservoirs in the gentle slope(ramp)area of Qikou Sag are highly heterogeneous.Some researches about characteristics and distribution of these high quality reservoirs are less.In this study,an integrated investigation was conducted on the high-quality lacustrine carbonate reservoirs in the ramp area of Qikou Sag based on data of thin section examination,lithological log response,testing results,and mercury-injection capillary pressure measurement.In the study area,grainstone reservoirs in the lower 1st member of the Shahejie Formation are high-quality reservoirs characterized by high-medium porosity,moderate permeability,low displacement pressure,and relative large pore throat.Lithologically,these reservoirs are mainly composed of bioclastic and oolitic sparite,and reservoir storage space consists of secondary intergranular dissolved pores and fractures.Hydrodynamic conditions generally control distribution of these reservoirs,as limestone grains filled intergranularly with sparry calcite cement are usually formed under strong hydrodynamic conditions.Sparry calcite cemented limestone is subject to late dissolution with abundant soluble substances,which is one of the direct causes for the well developed secondary dissolved pores.Oolitic bank and bioclastic bank are under high-energy hydrodynamic conditions with the best reservoir petrophysical properties.Rims of beach bars are usually in an intermittently-turbulent highly-hydrodynamic environment with medium reservoir petrophysical properties.Lake bays and supratidal zones are under low-energy tranquil hydrodynamic conditions,with poor reservoir petrophysical properties.During late diagenesis,large quantities of organic acid and slightly acidic water were released from surrounding shale and migrated along the top unconformity of the 3rd member of the Shahejie Formation,resulting in development of numerous secondary dissolved pores in carbonate reservoirs,which is the main cause of high-quality reservoir formation in the sag.Additionally,early charge of hydrocarbons restrained occurrence of authigenic minerals and metasomatism of calcite,and thus promoted excellent preservation of dissolved pores. | Youxing Yang Zhenkui Jin Baishui Gao | 2016 | Petroleum Research2016，1，1： | 0 |
| 20 | Congratulation on the 60^(th) anniversary of the China University of Petroleum with publication of Sedimentology of China (Second Edition)显示文摘For the last 4-5 years,we,the editors of the Journal of Palaeogeo graphy(in Chinese)and the Journal of Palaeogeography(in English),and the teachers from College of Geosciences,China University of Petroleum(Beijing)altogether,taking spare time after our routine editing and teaching work,participated in the designation,organization,writing,editing and revision processes of the Sedimentology of China(Second Edition).We put great efforts into this great work which represents the latest research results of various domains of sedimentology in China.We specially published | Feng Zengzhao Bao Zhidong Zheng Xiujuan Zhu Xiaomin Jin Zhenkui Ji Hancheng Guan Shourui Wang Yuan Zhang Xijuan Li Xinpo Wu Xiaoming Liu Min Hu Xiufang | 2013 | Journal of Palaeogeography2013，2，4： | 0 |
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