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| 1 | Three-Dimensional In Situ Stress-Field Simulations of Shale Gas Formations:A Case Study of the 5th Member of the Xujiahe Formation in the Xinchang Gas Field,West Sichuan Depression显示文摘This work established a geological model for the 5^(th) member of the Xujiahe Formation(X5 member) in the Xinchang gas field of the West Sichuan Depression based on the lithological, structural and depositional properties, as well as logging and well completion data and drill-core observations. Rock mechanical parameters were calculated according to rock mechanic experiments and rock mechanic interpretations from logging data. We also calculated the magnitudes and orientations of the in situ stresses based on acoustic emission tests, differential strain tests, fracturing behaviour and logging interpretations as well as anisotropy logging tests, borehole-breakout measurements and well-log data. Additionally, the present stress field of the X5 member was simulated using finite element numerical(FEM) simulation methods. The numerical simulation results indicate that the distributions of lithology and fractures are key factors that influence the present stress field. The stress field in the study area is discontinuous as a result of fractures and faults in the central and eastern areas. Stress is concentrated at the end sections and bends of faults, but dissipates with distance away from both sides of the faults. A longitudinal profile clearly demonstrates the zonality and continuity of the stress field and an increase with depth. The differential stress distribution is relatively uniform; however, large deviations occur in fracture zones. | LüJing ZHOU Wen XIE Runcheng SHAN Yuming ZHANG Chong XU Hao | 2017 | Acta Geologica Sinica(English Edition)2017，91，2： | 3 |
| 2 | Optical fiber SPR biosensor complying with a 3D composite hyperbolic metamaterial and a graphene film显示文摘In the present study, an optical fiber surface plasmon resonance(SPR) biosensor was developed for measuring time-and concentration-dependent DNA hybridization kinetics. Its design complies with a 3D Au∕Al2O3 multilayer composite hyperbolic metamaterial(HMM), a graphene film, and a D-shaped plastic optical fiber.According to the numerical simulation and the experimental demonstration, the SPR peak of the designed biosensor can be effectively altered in the range of visible to near-infrared by varying the HMM structure. The sensitivity of the appliance was shown to achieve a value of up to 4461 nm/RIU, allowing its applicability for bulk refractive index sensing. Furthermore, a biosensor designed in this work displayed high-resolution capability(ranging from 10 pM to 100 nM), good linearity, and high repeatability along with a detection limit down to 10 pM, thus suggesting a vast potential for medical diagnostics and clinical applications. | Can Li Jinjuan Gao Muhammad Shafi Runcheng Liu Zhipeng Zha Dejun Feng Mei Liu Xuejian Du Weiwei Yue Shouzhen Jiang | 2021 | Photonics Research2021，9，3： | 3 |
| 3 | DengSiyu(Teng Ssu-yu)and the Development of American Sinology After World Warll显示文摘 | CHEN RUNCHENG | 2007 | Chinese Studies in History2007，，1： | 1 |
| 4 | Biomass partitioning and water content relationships at the branch and whole-plant levels and as a function of plant size in Elaeagnus mollis populations in Shanxi,North China显示文摘 | LIU Rentao BI Runcheng ZHAO Halin | | 0，，： | 1 |
| 5 | Numerical Simulation of Retrofit Scheme of a Boiler Tail Flue显示文摘Aiming at the problem that the total pressure loss of the flue of the electric precipitator of the 350 MW unit of a power plant to the inlet of the draft fan is too large,the numerical simulation software Fluent and the standard k-εmodel was used to simulate the flue,the results show that the main part of the flue mean total pressure loss is derived from the confluence header and elbow.In order to reduce the loss and consider the cost of transformation,the concept of twodimensional feature surface is established,gradually proposed three sets of flue transformation program and analysis of the flue transformation program drag reduction effect,the results show that the total reduction of the flue can be reduced from 486 Pa to 89 Pa and the reduction rate is 81.7%,which is the best solution;The concept of two-dimensional feature plane is helpful for quick condensing of flue;Double V-type structure of the convergence of the box has a better drag reduction effect. | Yukun Lv Jiaxi Yang Jiawen Wang Runcheng Zhang Shuang Yang Wentao Li | 2020 | Fluid Dynamics & Materials Processing2020，16，6： | 0 |
| 6 | A Brief Analysis on The Influencing Factors of Net Content Loss of Household Liquid Detergents显示文摘Through tracking the net content of household liquid detergent under different experimental conditions,it was found that the storage temperature,the storage humidity,the packing material,the thickness of the packing material and the inner-packing detergent all had some effects on the net content,and there is a certain relationship between the mass loss and time in a certain storage period.It was found that the higher the temperature and the lower the humidity,the greater the mass loss of the household liquid detergent;and The barrier property of the PE bottle is better than that of the PET bottle.In the case of the same material,the thinner the material is,the greater the mass loss will be;Different liquid household detergents have different mass loss under the same storage temperature and humidity conditions,and due to different composition and proportion of the contents,the mass loss of liquid household detergents was different too. | Liang Runcheng Cai Yan Yu Shulan | 2022 | China Detergent & Cosmetics2022，7，4： | 0 |
| 7 | Factors controlling tight oil and gas reservoir development in the Jurassic siliciclastic-carbonate rocks in Sichuan Basin, China显示文摘The prediction of“sweet spot”of multi-lithology composite tight oil and gas reservoirs within mixed siliciclastic-carbonate sequences is a hot topic in oil and gas exploration.There are mixed lacustrine carbonate-siliciclastic rocks in the Da'anzhai Member of Ziliujing Formation in the Eastern Slope of western Sichuan Depression.The reservoir lithology is complex,and the main factors controlling the development of high-quality reservoirs are yet to be known.Based on a large number of drilling,core and thin section observation,well log and seismic data,this paper systematically studies the characteristics and factors controlling the development of the mixed siliciclastic-carbonate reservoir.The results show that the reservoir is composed primarily of coquina,sandstone,breccia and shale in lithology,and its development is mainly controlled by sedimentary microfacies,diagenesis,tectonism(fracturing)and paleogeomorphology during the sedimentary period.The effective fractures in reservoirs of the low-energy shell shoal facies are well developed with relatively good physical properties.With the change of sedimentary microfacies from low-energy shoal to high-energy shoal to arenaceous shoal,the hy-drocarbon production capacity worsens step by step.Diagenesis,such as dissolution and fracturing,has a certain effect on reservoir physical properties.The palaeogeomorphic highs and slopes had well-developed fractures during the sedimentary period which are conducive to constructive dissolution,and thus they are favorable zones for reservoir development.The development of structural fractures further amplifies the influence of dissolution;thus the fracture zones are also favorable for the devel-opment of high-quality reservoirs.The favorable sedimentary facies zone and fracture development degree serve as the core factors for the formation of high-quality mixed reservoirs.The muddy limestone with certain dissolved pores and structural fractures deposited under the low-energy shell shoal setting is of relatively high-quality reservoir in the Da'anzhai Member. | Runcheng Xie Ziwei Luo Mengyuan Zhang Yongfei Wang Jun Chen Miao Zhu | 2022 | Energy Geoscience2022，3，4： | 0 |
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