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| 1 | Reservoir Characteristics of Lacustrine Shale and Marine Shale:Examples from the Songliao Basin,Bohai Bay Basin and Qiannan Depression显示文摘Lacustrine shale from the Qingshankou Formatin of Songliao basin and the Shahejie Formation of Bohai Bay basin, and marine shale from the lower Cambrian Jiumenchong Formation of Qiannan depression were analysed by using rock pyrolysis, TOC(total organic carbon), XRD(X-ray diffraction), SEM(scanning electron microscope), FE-SEM(field emission scanning electron microscope), high pressure mercury intrusion, and low pressure N_2 and CO_2 gas adsorption experiments, in aim to reveal their reservoir features. The results show that:(1) the width of micro-pores of all the studied samples mainly ranges from 0.45 to 0.7 nm indicated by CO_2 isotherms, and the width of meso-pores is less than 10 nm, with type IV adsorption isotherms and type H2 hysteresis loop, indicative of 'ink-bottle'-shaped pores. Good correlations exist among pore volume, surface area and averaged pore diameter, and a good positive correlation exists between micro-pore volume and TOC content; however, there is no obvious correlation between meso-pore volume and TOC content;(2) interparticle pores, pores among the edge of mineral grains and organic matter pores were all identified in marine and lacustrine shale, among which the interparticle pores may be influence by dissolution effect. Not all bitumen develops organic matter pore, and only high to over mature bitumen present pores. Now the description methods of micrometer scale pores developed in shale are very lack. Microfractures developed in Jiyang depression and dissolution interparticle pores developed in Songliao Basin should be the accumulation sites for shale oil in lacustrine shale, and can be as sweet spots. | WANG Min LU Shuangfang WANG Zhiwei LIU Yang HUANG Wenbiao CHEN Fangwen XU Xingyou LI Zheng LI Jijun | 2016 | Acta Geologica Sinica(English Edition)2016，90，3： | 10 |
| 2 | Pore Types and Quantitative Evaluation of Pore Volumes in the Longmaxi Formation Shale of Southeast Chongqing, China显示文摘The common microscale to nanoscale pore types were introduced and divided into organic and inorganic pores to estimate their contributions to porosity in the Lower Silurian Longmaxi Formation shale of southeast Chongqing. Following the material balance principle, the organic porosity values, which changed with formation subsidence and thermal evolution, were calculated using chemical kinetics methods and corrected via the organic porosity correction coefficient, which was obtained from field emission scanning electron microscopy. Grain density values were determined using the contents and true densities of compositions in the shale samples. The total porosity was calculated based on the grain and bulk densities. The inorganic porosity was determined from the difference between the total porosity and organic porosity at the same depth. The results show that inorganic pores mainly contain microfractures, microchannels, clay intergranular pores, intercrystalline pores and intracrystalline pores in the Lower Silurian Longmaxi Formation shale of southeast Chongqing. Organic pores mainly include organopore and fossil pore. The total porosity, organic porosity and inorganic porosity of organic-rich shale samples can be quantitatively evaluated using this method. The total porosity, organic porosity and inorganic porosity values of the Longmaxi Formation shale samples from the well Py1 in southeast Chongqing lie in 2.75%–6.14%, 0.08%–2.52% and 1.41%–4.92% with average values of 4.34%, 0.95% and 3.39%, respectively. The contributions of the inorganic pores to the total porosity are significantly greater than those of the organic pores. | CHEN Fangwen LU Shuangfang DING Xue | 2018 | Acta Geologica Sinica(English Edition)2018，92，1： | 9 |
| 3 | Identification of the lower limit of high-quality source rocks and its relation to hydrocarbon accumulation——Taking the Beier Sag in the Hailaer Basin as an example显示文摘The theory of 'source rock control' has evolved from source-rock-control hydrocarbon accumulation, to effective source-rock-control hydrocarbon accumulation, and to high-quality source-rock-control hydrocarbon accumulation. However, there are problems, such as whether high-quality source rocks exist or not? What high-quality source rocks are, and how to identify them, are yet to be agreed upon. Aimed at this issue of concern to explorationists, and taking the Beier Sag in the Hailaer Basin as an example, this paper defines the high-quality source rocks and the lower limit for evaluation of high-quality source rocks, by using the inflection point on the relationship curve of hydrocarbon (oil) expulsion, which is calculated by the material balance principle, versus total organic carbon (TOC). The results show that when TOC is low, all source rocks have limited hydrocarbon expulsion and slow growth rate, thus they cannot be high-quality source rocks. However, when TOC rises to some threshold, hydrocarbon expulsion increases significantly with TOC. This inflection point should be the lower limit of high-quality source rocks: those with TOC greater than the inflection-point value are high-quality source rocks. In addition, the lower limit of high-quality source rocks is also related to the type and maturity of organic matters in the source rocks, as well as the mineral components of the source rocks affecting the residual hydrocarbons. Theoretically, the lower limit of high-quality source rocks depends on geological conditions rather than being a constant value. However, for the sake of simplicity and practicability, in this paper TOC=2.0% is regarded as the lower limit of high-quality source rocks. The examination of such standard in the work area indicates that the high-quality source rocks in members K 1 n 2 and K 1 n 1 of the Nantun formation contribute 76% and 82% to oil generation, and 96% and 91% to oil expulsion , respectively. The distribution of high-quality source rocks is also closely related to the distribution of hydrocarbon reservoirs in the region, demonstrating that high-quality source rocks control hydrocarbon accumulation. | Lu Shuangfang Chen Fangwen Li Jijun Wang Weiming Li Huiguang Cao Ruicheng Ma Yanling | 2012 | Petroleum Science2012，9，1： | 7 |
| 4 | The Impact of Aqueous Medium on Gas Yields and Kinetic Behaviors of Hydrogen Isotope Fractionation during Organic Matter Thermal Degradation显示文摘以便在有机物期间在煤气的收益和氢同位素分别的运动行为上认出水的媒介的影响热降级,金试管仪器被用来由与不同性质和比例的水混合 nC18 进行热模拟实验。天然气部件的收益,在每个部件和试验性的温度对加热的率的氢同位素作文之中的关系被获得了,并且结果显示在更高的温度条件下面,含水的实验在煤气的收益,更多什么时候流水上有明显的影响被增加,烃气体和 H2 的更高的数量被产出,并且水的存在显然与重烃气体的存在延长温度间隔。比由无水的实验产生了的,含水的实验产生的烃气体的氢同位素才显然轻,并且与增加的水的增加的数量,烃气体的 D 价值逐渐地减少。与煤气的收益相比, 5D 价值的变化对在热模拟实验的水的媒介更敏感。与增加的水的数量相比,然而,水的中等性质在煤气的收益上有更小的影响,它仍然在水的媒介的氢同位素作文上显示出 inherit 效果。通过模型模拟和同位素分别行为分析,氢同位素分别过程能被化学运动模型很好描述,这被验证。正常甲烷和包含 D 甲烷的反应部分的差别大,相应于一样的激活精力。正常甲烷的内容在有更低的激活精力的部分显然是更高的,当包含 D 甲烷的内容在有更高的激活精力的部分是更高的时。因此,它将导致更大的氢同位素分别振幅,和 D 价值将对成熟的变化更敏感。同时,从在含水的实验的 nC18 的甲烷产生的平均激活精力在无水的实验比那高,并且越增加的水的大数量,越 larger 甲烷产生反应的平均激活精力。这在形成历史和煤气来源的关联的煤气的水库的学习为它的探索申请打了基础,它在这取向显示研究和申请前景。 | LU Shuangfang WANG Min XUE Haitao LI Jijun CHEN Fangwen XU Qingxia | 2011 | Acta Geologica Sinica(English Edition)2011，85，6： | 5 |
| 5 | Subdiffraction optical manipulation of the charge state of nitrogen vacancy center in diamond显示文摘As a potential candidate for quantum computation and metrology,the nitrogen vacancy(NV)center in diamond presents both challenges and opportunities resulting from charge-state conversion.By utilizing different lasers for the photon-induced charge-state conversion,we achieved subdiffraction charge-state manipulation.The charge-state depletion(CSD)microscopy resolution was improved to 4.1 nm by optimizing the laser pulse sequences.Subsequently,the electron spin-state dynamics of adjacent NV centers were selectively detected via the CSD.The experimental results demonstrated that the CSD can improve the spatial resolution of the measurement of NV centers for nanoscale sensing and quantum information. | Xiangdong Chen Changling Zou Zhaojun Gong Chunhua Dong Guangcan Guo Fangwen Sun | 2015 | Light(Science & Applications)2015，4，1： | 4 |
| 6 | Bloch spaces on bounded symmetric domains in complex Banach spaces显示文摘We give a definition of Bloch space on bounded symmetric domains in arbitrary complex Banach space and prove such function space is a Banach space. The properties such as boundedness, compactness and closed range of composition operators on such Bloch space are studied. | DENG Fangwen OUYANG Caiheng | 2006 | Science China Mathematics2006，49，11： | 4 |
| 7 | Progressiveviewingandsharingofsensitiveimages显示文摘 | FANGWenpin LINJC | 2006 | PatternRecognitionandImageAnalysis2006，16，4： | 1 |
| 8 | Friendlyprogressivevisualsecretsharing显示文摘 | FANGWenping | 2008 | PatternRecognition2008，41，4： | 1 |
| 9 | Learning to compete for resources in wireless stochastic games显示文摘 | Fangwen Fu Mihaela van der Schaar | 2009 | IEEE Transactions on Vehicular Technology2009，58，4： | 1 |
| 10 | The Development and Application of Ground Systems and Derived Systems of Space Technology显示文摘In this paper,the development ofsatellite ground systems and non-satellite equipments and systems de-rived from satellite technology inthe Chinese Academy of SpaceTechnology is reviewed.Satelliteground systems include those fortracking,monitoring and controlfor the launch and operation ofsatellites as well as transmitting andreceiving system for dedicated andindividual users.Derived systemsand equipment include some ofspinoff from satellite technologies,such as computer measurement andcontrol,attitude control,thermalcontrol,radio electronic technique,vacuum technique and new materi-als.They are related to the eco-nomic and social benefits derivedfrom the development of space tech-nology. | Yang Jiachi Xu Fangwen | 1993 | Aerospace China1993，，1： | 1 |
| 11 | Tyrosine Hydroxy-lase, the Rate-Limiting Enzyme in Catecholamine BiosynthesisDiscovery of Common Human Genctic Variants GoverningTranscription, Autonomic Activity, and Blood Pressure In Vivo 显示文摘 | Fangwen Rao Lian Zhang Jennifer Wessel | 2007 | Circulation2007，6，： | 1 |
| 12 | Molecular Simulations of FCC Dry Gas Components Adsorption in Zeolite Y显示文摘Adsorption of FCC dry gas components, hydrogen(H_2), nitrogen(N_2), methane(CH_4), ethane(C_2H_6) and ethylene(C_2H_4) in zeolite Y was studied by performing the Grant Canonical Monte Carlo(GCMC) simulations at 298K and 823K and under a pressure range up to 10 MPa. Simulation results were analyzed using the Langmuir model, which presented fitting of dry gas components adsorption to be suggested as the monolayer adsorption. C_2H_4 presented most single adsorption amount, which reached 7.63 mol/kg at 298K under a pressure of 200kPa. Thermodynamic parameters of the Gibbs free energy change, enthalpy change and entropy change were analyzed based on adsorption equilibrium constant obtained from the GCMC simulations. The results suggested that it was more favorable for C_2H_4 to be adsorbed in zeolite Y. Adsorption molecules were in ordered arrangement in the zeolite, and C_2H_4 exhibited a more orderly arrangement than other components. Additionally, a competition in the adsorption of a mixture of dry gas components was found, and supercages were the priority adsorption space. The competition was favorable to CH_4 and C_2H_6, and the competitive power was affected by temperature. | Ding Xue Liu Yibin Yang Chaohe Shan Honghong Chen Fangwen | 2016 | China Petroleum Processing & Petrochemical Technology2016，18，1： | 1 |
| 13 | 显示文摘 | Li Fangwen | 2003 | Environment Science and Technic2003，26，4： | 1 |
| 14 | On-linelearning and optimization for wireless video transmission显示文摘 | ZHANG Yu FU Fangwen van der SCHAAR M | 2010 | Signal Processing IEEE Transactions on2010，58，6： | 1 |
| 15 | Fatigue damage driving force based on the M-integral concept显示文摘 | Fangwen Wang Yiheng Chen | 2010 | Proeedia Engineering2010，2，1： | 1 |
| 16 | Organoporosity Evaluation of Shale:A Case Study of the Lower Silurian Longmaxi Shale in Southeast Chongqing显示文摘1 Introduction Petrological characteristics(such as brittle mineral content),micro-nanoscale porosity,total organic carbon and organic matter maturity of shale play important roles in the accumulation and exploration of shale gas.The nanometre pores in shale are mostly organopores(pores within organic matters in shale)created from | CHEN Fangwen LU Shuangfang DING Xue | 2015 | Acta Geologica Sinica(English Edition)2015，89，A01： | 1 |
| 17 | Matrix Metalloproteinases: Discrete Elevations in Essential Hypertension and Hypertensive End-Stage Renal Disease显示文摘 | Ryan S. Friese Fangwen Rao Srikrishna Khandrika Brenda Thomas Michael G. Ziegler Geert W. Schmid-Sch? nbein Daniel T. O&rsquo Connor | 2009 | Clinical and Experimental Hypertension2009，，7： | 1 |
| 18 | A New Systematic Framework for Autonomous Cross- Layer Optimization显示文摘 | FU Fangwen VAN DER SCHAAR M | 2009 | IEEE Transactions on Vehicular Technology2009，58，4： | 1 |
| 19 | Fracturing Parameter Optimization of Horizontal Well in Tight Oil Reservoirs显示文摘1 Introduction Horizontal wells have the advantage of large drainage area and high single well production,which plays an important role in improving production of the low permeability oil reservoirs and ultimate recovery.When the reservoirs have the quality of lower permeability,large flow resistance,poor connectivity,we appropriately use horizontal well fracturing technology,which can | MIN Chunjia LU Shuangfang TANG Mingming CHEN Fangwen LIANG Hongru | 2015 | Acta Geologica Sinica(English Edition)2015，89，A01： | 1 |
| 20 | A systematic framework for dy- namically optimizing multi-user wireless video transmis- sion显示文摘 | Fu Fangwen Schaar M | 2010 | IEEE J Sel Areas Commun2010，25，3： | 1 |
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