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Title: OIL RESERVOIR DEVELOPMENT MONITORING USING FLUORESCENT TRASERS
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OIL RESERVOIR DEVELOPMENT MONITORING USING FLUORESCENT TRASERS
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1314-2704
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English
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21
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7.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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The use of indicator methods in oil and gas field geology allows us to obtain representative quantitative information about the direction and velocity of fluid movement in the studied formations, to assess the main filtration parameters and the presence of inter-reservoir flows, as well as reliable information about the technical condition of wells. The use of indicators (tracers) is based on the injection of water (or an aqueous solution of the reagent) labeled with a stable or radioactive indicator and subsequent monitoring of its progress, which is carried out by periodically sampling fluid from the mouths of control production wells. Determination of the concentration of indicators in the aqueous phase is carried out in laboratory conditions. As indicators for the preparation of labeled liquids, such stable indicators as ammonium thiocyanate, potassium thiocyanate, uranine, fluorescein, eosin, carbamide or others can be used that have the appropriate properties required for research to control the movement of injected water in oil fields. These indicators do not violate the geochemical equilibrium of formation fluids and do not worsen the oil-displacing properties of the injected water and reagents. Based on the current data of the extracted mass of the indicator for each well, the current coefficient of the influence of the injection well on the observation production well is calculated. The paper presents a method for applying and processing the obtained information in well tracer studies using ultrafine phosphors. Experimental studies of the dependence of the concentration of tracers in the reservoir fluid were carried out on the spectrofluorimeter. The obtained spectral data is processed by special programs and transmitted to Excel for subsequent calculations of the hydrodynamic connection of production and injection wells.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
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429-436
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16 - 22 August, 2021
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website
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cdrom
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7782
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water flooding; organic phosphors; injection wells; spectrofluorimeter
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