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| 1 | Unconventional Natural Gas Accumulations in Stacked Deposits:A Discussion of Upper Paleozoic Coal-Bearing Strata in the East Margin of the Ordos Basin, China显示文摘The Upper Paleozoic(Carboniferous to Permian) succession in the east margin of the Ordos Basin in the North China Craton has a potential to contain significant hydrocarbon resources, though attention have been mainly attracted for its successful development of coalbed methane(CBM). To improve the previous resource estimates and evaluate the hydrocarbon play possibilities, this study incorporated new discoveries of hydrocarbon units and their stratigraphic relation with source rocks, hydrocarbon migration and trapping configurations. Continuous hydrocarbon accumulation units were identified within the Upper Paleozoic, including the Taiyuan, Shanxi and Xiashihezi formations with great tight gas potential, and the Taiyuan and Shanxi formations also containing shale gas and CBM. Different strata combinations are identified with coal deposition and favour for continuous gas accumulations, including the tidal flat, deltaic and fluvial systems distributed in most of the study areas. Methane was not only generated from the thick coal seams in the Taiyuan and Shanxi formations, but also from shale and dark mudstones. The coal, shale and tight sandstones are proved of remarkable gas content and hydrocarbon indications, and the gas saturation of tight sandstones decreases upward. The stacked deposit combinations vary isochronally in different areas, while the coal seams were developed stably showing good gas sources. Two key stages control the hydrocarbon enrichment, the continuous subsidence from coal forming to Late Triassic and the anomalous paleo-geothermal event happened in Early Cretaceous, as indicated by the fluid inclusions evidence. Extensive areas show good hydrocarbon development potential presently, and more works should be focused on the evaluation and selection of good reservoir combinations. | LI Yong YANG Jianghao PAN Zhejun MENG Shangzhi WANG Kai NIU Xinlei | 2019 | Acta Geologica Sinica(English Edition)2019，93，1： | 32 |
| 2 | Modeling of coal swelling induced by water vapor adsorption显示文摘煤气的导致吸附的煤胀大是知道得好的现象。胀大的煤或由水蒸汽的吸附或解吸附作用的收缩很好没为地下的煤采矿并且为主要、提高的 coalbed 甲烷生产在煤气的排水过程上被理解,但是让重要含意。减少的矩阵潮湿内容导致煤收缩,因此,在水库下面的楔子孔和渗透的变化调节。不同于在通常形成吸附的分子的单个层的煤的煤气的吸附,在吸附的分子多层的煤 micropores 形式浇蒸汽吸附。在这个工作,一个模型被开发了描述胀大的煤关于由煤矩阵的潮湿吸入的数量的紧张。模型为胀大浇蒸汽的煤气的导致吸附的煤扩大了一条精力平衡途径导致吸附的煤胀大,假设仅仅多层的吸附的吸附的分子的第一层改变表面精力,它因此引起煤胀大。模型被使用描述在澳大利亚的煤上测量的试验性的胀大紧张数据。结果显示出在模型和试验性的数据之间的好同意。 | Zhejun PAN | 2012 | Frontiers of Chemical Science and Engineering2012，6，1： | 5 |
| 3 | Pore structure of selected Chinese coals with heating and pressurization treatments显示文摘Pore structure of Chinese coals with heating and pressurization treatments was studied using small angle X-ray scattering(SAXS),N2adsorption/desorption isotherms and scanning electron microscope(SEM).SAXS was performed for some samples after heat treatment at seven elevated temperatures from 25 to 250°C at 0 MPa and for other samples with hydrostatic pressure treatment at 0,5,10,15 and 20 MPa at the room temperature.The results show that N2adsorption isotherm together with SAXS could be a comprehensive method to evaluate the pore shape and the pore size distribution:the pore shapes are generally spherical for low rank coal and they are mainly ellipsoidal for high rank coal.All these measurements were then interpreted using the fractal theory to reveal relationship between surface fractals and coal rank,and the evolution of surface fractals under heating and pressurization treatments.The results show that surface fractal dimension(Ds)changes with different treating temperature and pressure and maximum vitrinite reflectance(Ro,m).Especially in the bituminous stage,Ds shows an increasing trend with Ro,m under varied temperatures.Moreover,Ds shows an increasing trend with increasing temperature before 200°C,and a decreasing trend after 200°C.Furthermore,the results show that Ds has a more complex relationship with Ro,m under varied treating temperature than that under varied treating pressure. | CAI YiDong LIU DaMeng PAN ZheJun YAO YanBin LI JunQian QIU YongKai | 2014 | Science China Earth Sciences2014，57，7： | 5 |
| 4 | Pore structure and its impact on CH 4 adsorption capacity and flow capability of bituminous and subbituminous coals from Northeast China显示文摘 | Yidong Cai Dameng Liu Zhejun Pan Yanbin Yao Junqian Li Yongkai Qiu | 2013 | Fuel2013，，： | 2 |
| 5 | Effects of matrix moisture on gas diffusion and flow in coal显示文摘 | Zhejun Pan Luke D. Connell Michael Camilleri Leo Connelly | 2010 | Fuel2010，，11： | 2 |
| 6 | A theoretical model for gas adsorption-induced coal swelling显示文摘 | Zhejun Pan Luke D. Connell | 2006 | International Journal of Coal Geology2006，，4： | 2 |
| 7 | A theoretical model for gas adsorption-induced coal swelling显示文摘 | PAN ZHEJUN LUKE D CONNELL | 2007 | International Journal of Coal Geology2007，69，4： | 1 |
| 8 | Characterization of the stress sensitivity of pores for different rank coals by nuclear magnetic resonance显示文摘 | Song Li Dazhen Tang Zhejun Pan Hao Xu Weiqiang Huang | 2013 | Fuel2013，，： | 1 |
| 9 | Modelling permeability for coal reservoirs: A review of analytical models and testing data显示文摘 | Zhejun Pan Luke D. Connell | 2012 | International Journal of Coal Geology2012，，： | 1 |
| 10 | Laboratory study of permeability and cleat compressibility for chinese coals显示文摘 | Zheng Guiqiang Pan Zhejun Cheng Zhongwei | | Energy Exploration and Exploitation0，30，3： | 1 |
| 11 | An analytical coal permeability model for tri-axial strain and stress conditions显示文摘 | Luke D. Connell Meng Lu Zhejun Pan | 2010 | International Journal of Coal Geology2010，，2： | 1 |
| 12 | Impact of coal seam as interlayer on CO2 storagein saline aquifers:A reservoir simulation study显示文摘 | Pan Zhejun Luke D | 2011 | InternationalJournal of Greenhouse Gas Control2011，1，： | 1 |
| 13 | Effects of matrix moisture on gas diffusion and flow in coal显示文摘 | Pan Zhejun Connell LD Camilleri M Connelly L | 2010 | Fuel2010，89，11： | 1 |
| 14 | Characteristic of anisotropic coal permeability and its impact on optimal design of multi-lateral well for coalbed methane production显示文摘 | Dong Chen Zhejun Pan Jishan Liu Luke D. Connell | 2012 | Journal of Petroleum Science and Engineering2012，，： | 1 |
| 15 | Effect of the effective stress coefficient and sorption-induced strain on the evolution of coal permeability: Experimental observations显示文摘 | Zhongwei Chen Zhejun Pan Jishan Liu Luke D. Connell Derek Elsworth | 2011 | International Journal of Greenhouse Gas Control2011，，5： | 1 |
| 16 | Effects of matrix moisture on gas diffusion and flow incoal显示文摘 | PAN Zhejun CONNELL L D CAMILLERI M | 2010 | Fuel2010，89，11： | 1 |
| 17 | Modeling permeability for coal reser- voirs : A review of analytical models and testing data 显示文摘 | Pan Zhejun Connell Luke D | 2012 | Interna- tional Journal of Coal Geology2012，，92： | 1 |
| 18 | A Theoretical Model for Gas Adsorption-induced Coal Swelling显示文摘 | Pan Zhejun Luke D C | 2007 | International Journal of Coal Geology2007，，69： | 1 |
| 19 | Dual poroelastic response of a coal seam to CO 2 injection显示文摘 | Yu Wu Jishan Liu Derek Elsworth Zhongwei Chen Luke Connell Zhejun Pan | 2010 | International Journal of Greenhouse Gas Control2010，，4： | 1 |
| 20 | Effects of pressure and temperature on gas diffusion and flow for primary and enhanced coalbed methane recovery显示文摘 | Cai Yidong Pan Zhejun Liu Dameng | 2014 | Energy Exploration and Exploitation2014，32，4： | 1 |
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