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Experimental Investigation on the Stress-Dependent Permeability of Intact and Fractured Shale
المؤلفون المشاركون
Shi, Di
Zhang, Bohu
Liu, Jianjun
Liu, Yichen
Zheng, Yongxiang
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-09-10
دولة النشر
مصر
عدد الصفحات
16
التخصصات الرئيسية
الملخص EN
The permeability of shale is extremely low.
Therefore, the shale reservoir needs fracturing.
The fracture network by fracturing can increase the permeability in a stimulated shale reservoir.
To understand the permeability evolution in the stimulated shale reservoir, this study measured the permeability of intact and fractured shale samples with different pore pressure and confining pressure by the transient pulse test.
And the differences between the two kinds of samples in permeability were analyzed.
The results show that permeability magnitude of fractured shale is increased by 5 orders compared to the intact shale.
It means that fracture networks after fracturing can effectively improve the permeability.
Besides, the change in matrix permeability is the result of the combined effect of slippage effect and matrix deformation.
At low pore pressure, the influence of slippage effect is more significant.
Based on the results, an improved exponential function was established to describe the relationship between permeability and effective stress of shale matrix.
Moreover, the permeability of fractured shale is still bigger than that of the shale matrix when the confining pressure is larger than pore pressure.
This paper provides theoretical guidance for studying the evolution of reservoir permeability before and after fracturing.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zheng, Yongxiang& Liu, Jianjun& Liu, Yichen& Shi, Di& Zhang, Bohu. 2020. Experimental Investigation on the Stress-Dependent Permeability of Intact and Fractured Shale. Geofluids،Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1166477
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zheng, Yongxiang…[et al.]. Experimental Investigation on the Stress-Dependent Permeability of Intact and Fractured Shale. Geofluids No. 2020 (2020), pp.1-16.
https://search.emarefa.net/detail/BIM-1166477
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zheng, Yongxiang& Liu, Jianjun& Liu, Yichen& Shi, Di& Zhang, Bohu. Experimental Investigation on the Stress-Dependent Permeability of Intact and Fractured Shale. Geofluids. 2020. Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1166477
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1166477
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