Journal of Petroleum Science and Technology، جلد ۷، شماره ۳، صفحات ۶۷-۸۳
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عنوان انگلیسی Pore Characteristics of the Upper Carboniferous Taiyuan Shale in Liaohe Depression
چکیده انگلیسی مقاله High pressure mercury, nitrogen adsorption, nano-CT, and scanning electron microscope with energy spectrum analysis were conducted on core shale samples for studying the characteristics of Taiyuan formation in the eastern uplift of Liaohe depression. The research results show that the shale gas reservoir pores are mainly open pores such as the wedge-shape pores and parallel-plate pores. By a genetic type, pores mainly include organic pore, pyrite crystal particle pore, illite intragranular pore, illite-smectite mixed layer intragranular pore, and feldspar dissolved pore. The micropore and mesopore play an important role in shale gas reservoir, and their surface area and pore volume are 9.56 m2/g, 0.0414 mL/g, 97.3%, and 68.8% respectively. The pores diameter presents a bimodal distribution with two main peaks at 43 nm and 6.35 μm. Based on the nano-CT, the porosity is 4.36% and the permeability is 204 nD. The brittle minerals played a supportive and protective role for the pores and controlled their spatial distribution.  
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نویسندگان مقاله xiaofei ژیان |
china university of geosciences,beijing; national research and development experimental center for shale gas, langfang 065007, china

renhe liu |
china university of petroleum, beijing, 102249, china; research institute of petroleum exploration and development-langfang, langfang 065007, china; national research and development experimental center for shale gas, langfang 065007, china

shuheng تنگ |
china university of geosciences, beijing 100083, china

wen lin |
research institute of petroleum exploration and development-langfang, langfang 065007, china

qin زانگ |
research institute of petroleum exploration and development-langfang, langfang 065007, china

lingxiao جیا |
china university of geosciences, beijing 100083, china

نشانی اینترنتی http://jpst.ripi.ir/article_803_98701d9d60f921c940bbb0c30f231e74.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/504/article-504-432881.pdf
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