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| 1 | Seismic Sedimentology Interpretation Method of Meandering Fluvial Reservoir:From Model to Real Data显示文摘Reservoir architecture of meandering river deposition is complex and traditional seismic facies interpretation method cannot characterize it when layer thickness is under seismic vertical resolution.In this study,a seismic sedimentology interpretation method and workflow for point bar characterization is built.Firstly,the influences of seismic frequency and sandstone thickness on seismic reflection are analyzed by outcrop detection with ground penetrating radar(GPR) and seismic forward modeling.It is found that(1) sandstone thickness can influence seismic reflection of point bar architecture.With the increasing of sandstone thickness from 1/4 wavelength(λ) to λ/2,seismic reflection geometries various from ambiguous reflection,'V' type reflection to 'X' type reflection;(2) seismic frequency can influence reservoirs' seismic reflection geometry.Seismic events follow inclined lateral aggradation surfaces,which is isochronic depositional boundaries,in high frequency seismic data while the events extend along lithologic surfaces,which are level,in low frequency data.Secondly,strata slice interpretation method for thin layer depositional characterization is discussed with seismic forward modeling.Lastly,a method and workflow based on the above study is built which includes seismic frequency analysis,90 o phasing,stratal slicing and integrated interpretation of slice and seismic profile.This method is used in real data study in Tiger shoal,the Gulf of Mexico.Two episodes of meandering fluvial deposition is recognized in the study layer.Sandstone of the lower unit,which is formed in low base level stage,distributes limited.Sandstone distribution dimension and channel sinuosity become larger in the upper layer,which is high base level deposition. | Tao Zhang Xianguo Zhang Chengyan Lin Jingfeng Yu Shouxiu Zhang | 2015 | Journal of Earth Science2015，26，4： | 8 |
| 2 | Hydrocarbon accumulation characteristics of beachbar sandstones in the southern slope of the Dongying Sag, Jiyang Depression, Bohai Bay Basin, China显示文摘A number of beach-bar sandstone reservoir beds are developed in the upper fourth member of the Eocene Shahejie Formation(Ess4) on the southern slope of the Dongying Sag. Based on the analysis of seismic and logging data, with characterization and petrographic studies of core and cutting samples, this paper analyzes the hydrocarbon accumulation characteristics in two typical blocks of the Boxing and Wangjiagang oilfields, especially reservoir bed heterogeneity and migration conditions that influence oil and gas distribution, calculates the index of reservoir bed quality(IRQ) with a mathematical method, and discusses the relationship between driving force and resistance of hydrocarbon accumulation. Taking into account the characteristics of thin interbeds in beach-bar sandstones, an experimental model simulated the characteristics of hydrocarbon migration and accumulation in thin interbedded sandstones with reservoir bed heterogeneity. The results showed that hydrocarbon distribution and properties were extremely non-uniform. Reservoir bed and migration conditions controlled hydrocarbon accumulation in beach-bar sandstones. IRQ is above 0.4 in the main hydrocarbon region. Sand body distribution, structural configuration and fault systems controlled the direction of regional migration and location of hydrocarbon accumulation. Simulation experiments indicated that the change of driving force for hydrocarbon migration affected selective accumulation mechanisms. Hydrocarbon moved vertically along fault zones to the reservoir and resulted in the distribution of hydrocarbon in the reservoir. Two kinds of hydrocarbon accumulation models exist in the study area. One is a hydrocarbon accumulation model controlled by reservoir bed heterogeneity and the second is a hydrocarbon accumulation model controlled by a complex migration system with faults connecting sandbodies. Finally, different exploration strategies should be adopted for the detailed exploration for beach-bar sandstone reservoirs according to different geological backgrounds. | Guo Song Tan Lijuan Lin Chengyan Li Hongnan Lü Xiuxiang Wang Hongtao | 2014 | Petroleum Science2014，11，2： | 4 |
| 3 | Residual oil evolution based on displacement characteristic curve显示文摘The purpose of this study was to determine the displacement and dynamic distribution characteristics of the remaining oil in the two development stages of water flooding and subsequent alkaline surfactant polymer(ASP) flooding. The well pattern types in the water and ASP flooding stages are a longdistance determinant well pattern and short-distance five-point well pattern, respectively. The type A displacement characteristic curve can be obtained using the production data, and the slope of the straight-line section of the curve can reflect the displacement strength of the oil displacement agent. A numerical simulation was carried out based on the geological model. The results revealed that the injected water advances steadily with a large-distance determinant water-flooding well pattern. The single-well water production rate increases monotonically during water flooding. There is a significant positive correlation between the cumulative water-oil ratio and the formation parameter. Differential seepage between the oil and water phases is the main factor causing residual oil formation after water flooding, while the residual oil is still relatively concentrated. The effect of the chemical oildisplacement agent on improving the oil-water two-phase seepage flow has distinct stages during ASP flooding. The remaining oil production is extremely sporadic after ASP flooding. | Duanchuan Lyu Chengyan Lin Lihua Ren Chunmei Dong Jinpeng Song | 2020 | International Journal of Mining Science and Technology2020，30，3： | 2 |
| 4 | Impacts of High-Frequency Atmospheric Forcing on Southern OceanCirculation and Antarctic Sea Ice显示文摘The relative contributions of atmospheric fluctuations on 6 h?2 d,2?8 d,and 8 d?1 month time scales to the changes in the air?sea fluxes,the SO circulation,and Antarctic sea ice are investigated.It was found that the imposed forcing variability on the three time scales creates a significant increase in wind power input,and hence an increase of about 50%,97%,and 5%of eddy kinetic energy relative to the simulation driven by monthly forcing,respectively.Also,SO circulation and the strength of the upper cell of meridional overturning circulation become strengthened.These results indicate more dominant effects of atmospheric variability on the 2?8 d time scale on the SO circulation.Meanwhile,the 6 h?2 d(2?8 d)atmospheric variability causes an increase in the total sea-ice extent,area,and volume,by about 33%,30%,and 19%(17%,20%,and 25%),respectively,relative to those in the experiment forced by monthly atmospheric variables.Such significant sea-ice increases are caused by a cooler ocean surface and stronger sea-ice transports owing to the enhanced heat losses and air-ice stresses induced by the atmospheric variability at 6 h?2 d and 2?8 d,while the effects of the variability at 8 d?1 month are rather weak.The influences of atmospheric variability found here mainly result from wind fluctuations.Our findings in this study indicate the importance of properly resolving high-frequency atmospheric variability in modeling studies. | Yang WU Zhaomin WANG Chengyan LIU and Xia LIN | 2020 | Advances in Atmospheric Sciences2020，37，5： | 1 |
| 5 | The distribution law of re-malning oil in the fluvial sandstone reservoir with high water-cut: an example from the Zhong - 1 district in Gudao oil field 显示文摘 | Lin Chengyan Dang Chunmei Chen Li | 1998 | Scientia Geologica Sinica1998，7，3： | 1 |
| 6 | The distribution law of remaining oil in the fluvial sandstone reservoir with high water-ut an example from the zhong-1 district in Gudao oil field显示文摘 | Lin Chengyan Dong Chunmei Chen Li | 1998 | Scientia Geologica Sinica1998，7，3： | 1 |
| 7 | Synthesis of single crystalline niobate nanorods via ion-exchange based on molten-salt reaction显示文摘 | Chengyan Xu Liang Zhen Rusen Yang and Zhong Lin Wang | 2007 | Journal of American Ceramic Society2007，129，15： | 1 |
| 8 | An Integration Strategy to Develop Dual-State Luminophores with Tunable Spectra,Large Stokes Shift,and Activatable Fluorescence for High-Contrast Imaging显示文摘Developing dual-state luminophores(DSLs)with strong fluorescence in both the monomer and aggregate states is urgently needed but remains a huge challenge because most current luminophores are either aggregation-induced emission or aggregation-caused quenching molecules.Moreover,limited by the structural conservation of the few existing DSLs,there are not enough response sites that can be used to customize various activatable fluorescent probes for specific molecular imaging.Herein,we engineered a general integration strategy for the fabrication of such DSLs with excellent photophysical properties.The DSLs,with their tunable spectra,a large Stokes shift(>170 nm),and achievable near-infrared(NIR)emission,show great potential for high-contrast imaging.Importantly,DSLs can be used as a universal platform for probe customization due to their activatable fluorescence through protection-deprotection of the phenolic hydroxyl group.Based on this,an NIR fluorescent probe DSL-Gal was developed for sensing of β-galactosidase in solutions,senescent cells,and liver metastases with high contrast,further confirming the superiority and universal feasibility of DSLs in probe design.The integration strategy may provide a novel approach for the generation of other DSLs and have great potential applications in bioimaging. | Yongchao Liu Lili Teng Chengyan Xu Tian-Bing Ren Shuai Xu Xiaofeng Lou Lin Yuan Xiao-Bing Zhang | 2022 | CCS Chemistry2022，4，6： | 1 |
| 9 | Predictiong of remaining oil distribution显示文摘 | | 1999 | Scientia Geologica Sinica1999，8，4： | 1 |
| 10 | The distribution law of remaining oil in the fluvial sandstone reservoir with high water-cut an example from the zhong-1 district in Gudao oil field显示文摘 | Lin Chengyan Dong Chunmei Chen Li | 1998 | Scientia Geologica Sinica1998，7，3： | 1 |
| 11 | Synergistic effects of CeO_(2)/Cu_(2)O on CO catalytic oxidation:Electronic interaction and oxygen defect显示文摘For CO catalytic oxidation,Cu and Ce species are of great importance,between which the synergistic effect is worth investigating.In this work,CeO_(2)/Cu_(2)O with Cu_(2)O {111} and {100} planes were comparatively explored on CO catalytic oxidation to reveal the effects of interfacial electronic interactions and oxygen defects.The activity result demonstrates that CeO_(2)/o-Cu_(2)O {111} has superior performance compared with CeO_(2)/c-Cu_(2)O {100}.Credit to the coordination unsaturated copper atoms(Cu_(CUS)) on oCu_(2)O {111} surface,the interfacial electronic interactions on CeO_(2)/o-Cu_(2)O {111} are more obvious than those on CeO_(2)/c-Cu_(2)O {100},leading to richer oxygen defect generation,better redox and activation abilities of CO and O_(2) reactants.Furthermore,the reaction mechanism of CeO_(2)/o-Cu_(2)O {111} on CO oxidation is revealed,i.e.,CO and O_(2) are adsorbed on the Cucus on Cu_(2)O {111} and oxygen defect of CeO_(2),respectively,and then synergistically promote the CO oxidation to CO_(2).The work sheds light on the designing optimized ceria and copper-based catalysts and the mechanism of CO oxidation. | Chengyan Ge Jingfang Sun Qing Tong Weixin Zou Lulu Li Lin Dong | 2022 | Journal of Rare Earths2022，40，8： | 1 |
| 12 | A study on the protection of biodiversity resources in Micangshan Forest Park in northeast of Sichuan Province显示文摘The Micangshan Forest Park is located in the northeast edge of the Sichuan Basin. The wild animals and plants resources are rich and the ecosystem is integrity. There are well-preserved areas of native biological communities. Its strip and the region decided that on the one hand biological diversity is rich; on the other hand, there is its unique ecological fragility. Once it is destroyed, it would be very difficult to restore. In order to protect the ecological environment of wild animal and plant habitats and wild animal and plant resources, this paper uses quadrat survey procedure to carry on the investigation. In the Micangshan Forest Park's typical land sector the author establishes the sample area of 20 m×20 m to invest the tree layer of plant species and builds five 2 m×2 m the small quadrats along the type place's diagonal line machinery to invest bush level and the field layer floristic component. Again according to the Micangshan Forest Park's terrain, the vegetation and the difference humanity interference condition, the autor builds the different quantities separately the line transect to invest the animal type. This article through to eastern Sichuan Province north the Micangshan forest park biodiversity resources investigation, has analyzed the biodiversity protection work present situation and the existence question, and put forward the proposal to the next protection work. | Zhou Guixiang Lin Lin Li Chengyan | 2009 | Ecological Economy2009，5，3： | 0 |
| 13 | Recent advances in organic-dye-based photoacoustic probes for biosensing and bioimaging显示文摘Photoacoustic imaging(PAI) is a non-destructive biomedical imaging technology with broad application prospects. PAI combines the advantages of optical imaging and ultrasound imaging with high selectivity and deep penetration to overcome the high scattering limitation of light in tissues. This emerging technology also achieves high-resolution and high-contrast imaging of deep tissue in vivo. Recently, photoacoustic(PA) probes based on organic dyes have emerged prominently in biosensing and bioimaging due to their excellent optical properties and structural adaptability. This paper gives an outline of the basic PAI principles and focuses on the application of organic-dye-based PA probes for molecular detection and in vivo imaging. The advantages of PAI technology and the drawbacks of current PA probes are then summarized. Finally, the prospects for application are evaluated considering the potential challenges in the biomedical fields. | Yongchao Liu Lili Teng Hong-Wen Liu Chengyan Xu Haowei Guo Lin Yuan Xiao-Bing Zhang Weihong Tan | 2019 | Science China Chemistry2019，62，10： | 0 |
| 14 | First-in-human pilot study of an integrinα6-targeted radiotracer for SPECT imaging of breast cancer显示文摘Dear Editor,The molecular classification has been playing a crucial role in the precise theranostics of cancer.Compared with the invasive biopsy,the in vivo noninvasive detection of biomarkers by nuclear imaging possesses advantages due to tumor heterogeneity.As one member of the integrin family,integrinα6 subunit combines the integrinβ1 orβ4 subunit to form integrinα6β1 orα6β4 heterodimers,which function to promote the migration,invasion,and survival of tumor cells,leading to increased metastasis,poor prognosis,and reduced survival.Therefore,the in vivo imaging of integrinα6 expression could play an important role in the treatment planning and prognosis prediction. | Shi Gao Bing Jia Guokai Feng Chengyan Dong Hui Du Lin Bai Qian Zhong Qingjie Ma Musheng Zeng Fan Wang | 2020 | Signal Transduction and Targeted Therapy2020，5，1： | 0 |
| 15 | 3D geocellular modeling for reservoir characterization of lacustrine turbidite reservoirs:Submember 3 of the third member of the Eocene Shahejie Formation,Dongying depression,Eastern China显示文摘3D geocellular modeling is increasingly essential in the petroleum industry;it brings together all petroleum disciplines,and it is commonly used in simulation and production forecast.However,modeling slope and deep-water turbidite reservoirs using conventional modeling methods pose a significant challenge due to the structural complexity and thin-beds associated with these reservoirs.Through the innovative modeling technology of PaleoScan,the reservoirs in Sub member 3 of the third member of the Shahejie Formation are modeled to understand the structural framework.The resulting model is populated with petrophysical properties i.e.,porosity and permeability to predict their lateral and vertical distribution within these sandstone reservoirs.The study suggests that the reservoir in the highstand system tract(HST)is characterized by the clinoforms configuration framework.The reservoir is highly faulted mainly in the northern and southeastern parts of the depression.The sedimentary layers are deposited across the slope and downlapping,thinning,and terminating toward to the west.The two isochore surface maps reveal sediment thickness variation and depositional trends within each individual depositional layer.The zones or areas that corresponds to low values on the thickness maps suggest minor uplifts associated with intensive faulting in the Eocene period.These topographical highs played a fundamental role in distributing the sediments delivered to the basin from distant sources.The maps reveal that sediments that filled the basin appear to come from different source points,primarily delivered from the north,southeast,and northeast of the basin with varying depositional trends.The modeled porosity and permeability indicate that the delta fed turbidite reservoirs are characterized by medium to high porosity values of 10e20%and low to medium permeability values of 30-410mD,respectively.The porosity values increase to the southeast and toward the basinwards(west)while permeability varies within the individual sedimentary layers.The distribution of porosity and permeability is not uniform vertically.This suggests the presence of mixed none-reservoir layers with locally and periodically deposited sandstone reservoirs within the stratigraphic during rapid delta progradation.The HST is characterized by six different delta progradation cycles;each phase produced locally deposited lacustrine turbidite sandstones in the basin,which are essential reservoirs in this Formation.The innovative PaleoScan interpretation technology has successfully created a high-resolution 3D reservoir model of this complex geology-such innovative technology is vital to similar complex geology globally. | Marco Shaban Lutome Chengyan Lin Dong Chunmei Xianguo Zhang Januarius Matata Bishanga | 2022 | Petroleum Research2022，7，1： | 0 |
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