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Title: ON SOME CHEMICO-MINERALOGICAL CHARACTERISTICS OF THE RESERVOIR ROCKS IN THE MORENI OIL FIELD (CARPATHIAN FOREDEEP, ROMANIA)
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ON SOME CHEMICO-MINERALOGICAL CHARACTERISTICS OF THE RESERVOIR ROCKS IN THE MORENI OIL FIELD (CARPATHIAN FOREDEEP, ROMANIA)
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1314-2704
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English
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19
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1.1
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Diapir Folds Zone (= Mio-Pliocene Zone) as major subunit of the Carpathian Foredeep lies between the Buzau and Dambovita valleys and between the folds of the inner Carpathians and the external flanks of the Carpathian Foredeep. This geological unit represents the most prolific zones of accumulation in Romania in which numerous hydrocarbon deposits of Tertiary age have been discovered in more than 150 years of exploration. Diapir Folds Zone can be considered a world class hydrocarbon province having several ?giant? oil fields such as Gura Ocnitei, Moreni, Runcu-Bustenari, Boldesti, Viforata-Teis, Tintea-Baicoi and others.
Geologically, Moreni oil field is located in the central part of the Diapir Folds Zone, approx. 100 km north from Bucharest. It belongs to Tintea-Baicoi-Moreni-Targoviste major structural anticline being constituted of formations belonging to Pliocene and Miocene. The Moreni oil field has some of the oldest oil production in Romania and is still the largest commercial reservoir in Romania. In the Moreni anticline several objectives belonging to the Pliocene and Miocene proved to be productive since 1890. The main petroleum objectives is represent by Meotian and Dacian deposits characterized by structural and combined traps and having following average values of main parameters of the productive formations: thickness 4-23 m; porosity 25-33 %; permeability 200-1400 mD; irreducible water saturation 20-30 %; volume reduction factor 1.18-1.26; petroleum specific gravity 840-880 kg/m3. The paper presents the complex chemico-mineralogical investigations performed by X-rays fluorescence (XRF), X-rays diffraction (XRD) and cation exchange capacity (CEC) measurements of several cores from Moreni oil field. The paper brings new information on the Moreni oil field increasing degree of knowledge of the Neogene reservoir rocks. Establishing global mineralogical composition, the rock type and chemical characters have great importance because Neogene deposits have proved an excellent quality as reservoir rocks. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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391-398
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30 June - 6 July, 2019
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website
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cdrom
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4820
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XRF; XRD; Diapir Folds Zone; Neogene deposits; oil reservoir
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