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Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs
المؤلفون المشاركون
Yuhui, Zhou
Qingxiong, Hu
Wentao, Liu
Zhiqi, Wu
Yule, Yan
Jialing, Ma
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-12، 12ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-12-02
دولة النشر
مصر
عدد الصفحات
12
التخصصات الرئيسية
الملخص EN
The Wu 2 section of the Ke017 well block is a low-resistance gas reservoir with ultralow porosity and low permeability.
The comprehensive analysis of rock lithology, physical properties, sedimentary characteristics, and gas content demonstrated that the development of micropores in illite/smectite dominated clay minerals together with the resulted additional conductivity capability and complex reservoir pore structures, as well as the enrichment of self-generating conductivity minerals like zeolites and pyrite which were the formation mechanisms of low-resistance gas layers in the Wu 2 section.
A low-resistance gas reservoir has poor physical property, and it is difficult to distinguish the oil layer from the dry, gas, or water layers.
In this paper, based on well/mud logging data and laboratory data, by taking advantages of the “excavation effect” of neutron gas and the dual-lateral resistivity difference between different depths, we successfully established a set of low-contrast log response methods for the identification and evaluation of oil layer and formation fluids.
For a gas layer, the difference between neutron porosity and acoustic (or density) porosity is smaller than 0 and the difference in dual-lateral resistivity is greater than 0.
For a water layer, the neutron porosity is similar to the acoustic (or density) porosity and the dual-lateral resistivity difference will be less than 0.
While for a dry layer or a layer with both gas and water, the difference in porosity as well as dual-lateral resistivity is very small.
The proposed method effectively solves the technical problem of oil layer and formation fluid identification in low-resistance gas reservoirs.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Yuhui, Zhou& Qingxiong, Hu& Wentao, Liu& Zhiqi, Wu& Yule, Yan& Jialing, Ma. 2020. Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs. Geofluids،Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1165991
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Yuhui, Zhou…[et al.]. Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs. Geofluids No. 2020 (2020), pp.1-12.
https://search.emarefa.net/detail/BIM-1165991
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Yuhui, Zhou& Qingxiong, Hu& Wentao, Liu& Zhiqi, Wu& Yule, Yan& Jialing, Ma. Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs. Geofluids. 2020. Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1165991
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1165991
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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