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عنوان البحث
The Mishrif Reservoir Characteristics Utilizing Well Log Data Interpretation In The Fauqi Oilfield In Maysan, Southern Iraq
عنوان المجلة
Iraqi Geological Journal
ISSN-2414-6064
تفاصيل النشر
سنة النشر - 2022 / الفهرس الاصلي للمجلة - 55 : 2 (عدد الصفحات 14)
تصنيف البحث
الجيولوجيا - المجموعة العلمية
رابط DOI
https://doi.org/10.46717/igj.55.2E.5ms-2022-11-19
رابط البحث
فتح في موقع المجلة الرسمي
البحث والاستدامة
الهدف 9– الصناعة والابتكار والبنية التحتية   المزيد حول هذا الهدف
البحث والمجتمع
نعم , يدعم
الكلمات المفتاحية
Mishrif formation; Fauqi oilfield; reservoir units; water saturation; Iraq

اسم الباحثجهة الانتساببلد الباحث
مهدي علوان عزيز جامعة بابل العراق
عامر جاسم الخفاجي جامعة بابل العراق
قصي عبيد هاليبرتون المملكة المتحدة

The Mishrif Formation was deemed the main oil reservoir in the Fauqi oilfield, southern Iraq. This paper aims to predict characteristic properties of the Mishrif Formation depending on the interpretation of well logs data. The data were collected from five wells of log images which had been digitized with Didger software version 5. 12. 1762 to be analyzed and interpreted using interactive petrophysics 3.5.1.2 software. The main lithology of the Mishrif Formation in this region was determined using standard (M-N xplot) based on the integration of density-neutron logs. The results confirmed that the Mishrif Formation is mainly composed of limestone units. A Gamma-ray log was used to estimate the shale volume in the Mishrif Formation depending on old rock function. As a result, shale volume relative to the bulk volume was about 19%, and an increasing volume was noticed in the upper reservoir, reaching the highest in the MA and MB11 units. The Mishrif Formation porosity was calculated using the interpretation of neutron, density, and sonic logs. The results showed that the Mishrif Formation is distinctive with low to medium porosity values (4.8 to 17%). The calculation of cores manifested the dominance of secondary porosity in the MB21 unit of the formation in comparison to the other stratigraphic units in the studied area. These results led to the fact that the MB21 unit was more exposed to dissolution diagenetic processes in the south dome, which provided a good permeability integrated with the medium effective porosity, puttinh it as the main reservoir unit.