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The Influence of Injected Fluids on Microscopic Pore Structures in the Intersalt Dolomitic Shale Oil Reservoirs
المؤلفون المشاركون
Yan, Wei
Sun, Ting
Zhou, Tong
Su, Jianzheng
Tang, Xianglu
Tian, Hao
Li, Wenbo
Wang, Kongyang
Wang, Ruyue
Zhang, Rusheng
Niu, Jun
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-11-28
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
Given their low porosity and permeability, intersalt dolomitic shale oil reservoirs need to be developed via large-scale hydraulic fracturing to achieve economic effects.
However, various lithologies and salt materials make these reservoirs vulnerable to salt mineral dissolution and recrystallization and salt plugging during development.
This study investigated the variation rules of pore structures, porosity, and permeability of intersalt dolomitic shale oil reservoirs under the influence of hydraulic fracturing fluid.
Correspondingly, a series of experiments (i.e., high-temperature and high-pressure soaking experiments, focused ion beam scanning helium ion microscope analyses, and porosity and pulse permeability tests) is performed on the Qian 34-10 rhythmic intersalt dolomitic shales.
Results show that distilled water dissolves the salt crystals inside the matrix pores to improve the reservoir permeability.
However, the distilled water-rock interaction will cause the massive migration of salt minerals.
By contrast, the supercritical CO2 can disperse salt particles, dredge the channels, and enlarge pores by expansion, but it has an overall weak capability of changing the pore structure and matrix permeability.
To simulate the supercritical CO2 composite fracturing, the mixed solution of supercritical CO2 and distilled water favors the salt dissolution effect in the water-based fracturing fluid and recovery enhancement by CO2.
This solution can remarkably improve the reservoir porosity and permeability and avoid massive salt mineral migration and salt crystallization damage.
This study is theoretically and practically important to the effective and enhanced development of intersalt dolomitic shale oil reservoirs.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhou, Tong& Yan, Wei& Su, Jianzheng& Tang, Xianglu& Tian, Hao& Li, Wenbo…[et al.]. 2019. The Influence of Injected Fluids on Microscopic Pore Structures in the Intersalt Dolomitic Shale Oil Reservoirs. Geofluids،Vol. 2019, no. 2019, pp.1-13.
https://search.emarefa.net/detail/BIM-1153627
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhou, Tong…[et al.]. The Influence of Injected Fluids on Microscopic Pore Structures in the Intersalt Dolomitic Shale Oil Reservoirs. Geofluids No. 2019 (2019), pp.1-13.
https://search.emarefa.net/detail/BIM-1153627
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhou, Tong& Yan, Wei& Su, Jianzheng& Tang, Xianglu& Tian, Hao& Li, Wenbo…[et al.]. The Influence of Injected Fluids on Microscopic Pore Structures in the Intersalt Dolomitic Shale Oil Reservoirs. Geofluids. 2019. Vol. 2019, no. 2019, pp.1-13.
https://search.emarefa.net/detail/BIM-1153627
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1153627
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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