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    Wyświetlanie 1-10 z 10
    Tytuł:
    The influence of wettability on oil recovery
    Autorzy:
    Kulynych, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1203993.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    wettability
    contact angle
    relative permeability
    EOR
    two-phase flow
    Opis:
    Understanding the mechanism by which oil is displaced from the porous medium requires knowledge about the role of wetting and capillary forces during EOR. Knowledge of the effect of wettability on oil production is also a key point for understanding the behavior of multiphase flows in the reservoir. A literature review indicates that wettability is one of the ma in factors controlling and regulating the distribution of oil and water in the reservoir rock. Therefore, the resolution of problems associated with the calculation of oil resources, operation and analysis of core deposits, must take into account the wettability of rock. Therefore, the study of such phenomena as wettability is still valid today. In the paper reservoir rock wettability and its types were desc ribed. Direct and indirect methods of determining the wettability were characterized, the graph of capillary pressure is used to characterize the wettability. In order to determine the effect of wettability on multiphase flow in porous media are discussed petrophysical parameters: capillary pressure, relative permeability and hydrocarbon saturation of the rock. Characterized wettability of each of Characterized wettability of each of carbonate and sandstone reservoirs.
    Źródło:
    AGH Drilling, Oil, Gas; 2015, 32, 3; 493-502
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Enhanced oil recovery processes in sandstone reservoirs containing light oil in offshore fields
    Autorzy:
    Przybyłowicz, J.
    Rychlicki, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/298603.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    enhanced oil recovery
    light oil
    offshore fields
    sandstone reservoirs
    Opis:
    Enhanced oil recovery methods can significantly increase recovery from offshore oil reservoirs provided that the appropriate method is selected. Enhanced oil recovery methods aim to recover the remaining original oil in place by applying additional energy sources and minimalize flow resistance in the field. The application of these technologies results in enhancement, or replacement of natural or physical processes of displacement and modifies the composition and physical properties of formation fluids. The use of EOR technologies in offshore environment is limited compared to onshore fields. Constraints imposed by the offshore environment are associated with technical difficulties as well as economic risk. Before choosing the most appropriate EOR method for particular environmental conditions the restrictions associated with: large well spacing, disposal geological description as well as availability and cost of EOR agents, weight and space constrains or high capital cost requirements should be considered. Reservoir lithology is limiting the applicability of specific EOR methods. This paper presents a comprehensive review of EOR projects which are appropriate or possible for sandstone reservoirs containing light-oil in offshore field. The possibilities and limitations of selected methods are introduced.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 1; 99-116
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Enhanced Oil Recovery methods on offshore fields in the light of world literature
    Autorzy:
    Bednarz, P.
    Stopa, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/299090.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    EOR
    enhanced oil recovery
    offshore fields
    Opis:
    Enhanced Oil Recovery methods (EOR) are known since long time, but in recent years they have been used primarily in the U.S. mostly for research purposes. The increased interest in their use was in the 70's of the twentieth century, and associated with the increase in oil prices. Currently for several years there has been a return to the these methods, including offshore fields. Experience in the application of EOR methods in Poland is small, currently no exploitation is carried out using them. The purpose of this article is to present the current trends and latest technologies in enhanced oil recovery methods in terms of the applicability by the Polish oil companies. Statistical data of current and planned EOR methods in the world with special emphasis on offshore reservoirs is presented. Current trends in technological development of EOR methods are given, both which are still in the phase of laboratory tests and the first tests on fields such as: carbon dioxide flooding, water alternating gas injection, Iow salinity water injection, carbonated water injection, conventional technologies of polymer gels and thermally activated polymers.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 2; 215-229
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Overview of the nanoparticles application for reservoir engineering and Enhanced Oil Recovery (EOR) methods
    Autorzy:
    Kułynycz, V.
    Pikłowska, A.
    Kulynych, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/298807.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    nanoparticle
    EOR
    Opis:
    The scientific aim of the paper is the characteristics of various types of nanoparticles, their physical and chemical parameters. In the article authors give examples of various nanoparticles used in reservoir engineering and EOR methods. The results of laboratory measurements of the impact of nanoparticles on the change of reservoir parameters and the increase of oil recovery of sandstones and carbonates are presented. In the article have been shown the possibilities of using nanotechnology, including the achievements of different authors. It presents a general literature review of modern research methodologies of nanoparticles in the global oil industry.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 1; 107-124
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of the oil recovery between waterflooding and CO2-EOR method for the JSt oil reservoir
    Autorzy:
    Kułynycz, V.
    Janowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/298755.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    waterflooding
    CO2 injection
    oil
    recovery factor
    Opis:
    Exploitation of oil from the reservoir initially is performed by primary methods that use natural energy reserves, that allows for partial exploitation of geological resources (30%). Further oil resources depletion requires the implementation of appropriate methods to support exploitation, secondary methods, consist mainly in the physical oil displacement and third methods, in which additional types of energy aid the process of exploitation. The use of this methods may contribute up to a twofold increase in the degree of the geological resources depletion. One way to increase the exploitation is the injection of CO2 into the oil fields (CO2-EOR). This gas interacts physically and chemically on the reservoir rocks and oil contained in them, improving the conditions of its production. The technology of CO2 injection into the reservoir allows not only to increase oil production, but also gives the possibility of storing this gas in reservoirs, which is beneficial from the viewpoint of its impact on the environment. In the article was made a comparison of the oil recovery effectiveness between waterflooding and CO2-EOR method for Jastrząbka Stara reservoir. For this purpose, were made simulations of waterflooding and injecting CO2 for selected oil reservoir on the basis of the CO2PROPHET program. We analyzed different variants of injection of water and gas, both the amount of injected media, and the method of injection (only water, only gas, change injection of gas and water). Based on the results of modeling was estimated the amount of oil possible to extract by both methods and the recovery factor of the geological resources of the selected oil reservoir.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 3; 787-797
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of methods of hydrocarbon recovery enhancement from the depleted oil fields
    Autorzy:
    Kondrat, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/298753.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    field
    wells
    oil recovery
    drilling
    oil
    Opis:
    The article deals with the optimization of existing development system and oil recovery factor enhancement through the involvement to the development of productive bed areas with significant remaining oil reserves by using the hydrodynamic models of filtration processes of formation fluids in heterogeneous beds on the example of the sandstone deposit of the Boryslav field. The calculations for the different variants development in order to select the most rational one of the further development of a field were made. The task of the optimization was performed according to the criteria of the highest value of oil recovery factor.
    Źródło:
    AGH Drilling, Oil, Gas; 2013, 30, 1; 127-143
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Petro-physical properties of geological formation in the aspect of possible CO2 sequestration
    Autorzy:
    Klempa, M.
    Porzer, M.
    Bujok, P.
    Pavlus, J.
    Rado, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/298902.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    carbon dioxide
    enhanced oil recovery (EOR)
    porosity
    permeability
    Opis:
    CO2 emissions and a future increasing trend can be, by some scientists, considered a serious menace for the sustainable development of mankind and the reduction is necessary for the environment protection. Carbon dioxide is one of the most important gases that causes greenhouse effect, which warms up the earth surface as a consequence of a different heat flow between the earth and the atmosphere.
    Źródło:
    AGH Drilling, Oil, Gas; 2013, 30, 1; 109-116
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of GPU in the development of 3D hydrodynamics simulators for oil recovery prediction
    Zastosowanie procesorów graficznych GPU w rozwoju trójwymiarowych symulatorów hydrodynamicznych w planowaniu wtórnego wydobycia ropy naftowej
    Autorzy:
    Beisembetov, I. K.
    Bekibaev, T. T.
    Assilbekov, B. K.
    Zhapbasbayev, U. K.
    Kenzhaliev, B. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/299217.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    GPU
    CPU
    NVIDIA
    trójwymiarowe symulatory hydrodynamiczne
    planowanie wtórnego wydobycia ropy
    3D hydrodynamics simulators
    prediction of oil recovery
    Opis:
    In this article computer's graphics card application in prediction of oil recovery using the CUDA architecture is studied. CUDA is architecture of parallel computing made by NVIDIA Company. It allows increasing dramatically the calculating performance due to GPU (graphical processors) usage. Calculations were executed on field models with 3 million grid blocks. Material balance equation approximated with IMPES method. As the result of numerical modeling of oil recovery prediction with GPU, dozens of times acceleration of calculations comparing with CPU has been taken.
    Artykuł przedstawia badania nad programem graficznym wykorzystywanym w planowaniu wtórnego wydobycia ropy naftowej z wykorzystaniem równoległego systemu obliczeniowego CUDA. CUDA jest systemem stworzonym przez firmę NVIDIA. Pozwala on na ogromne zwiększenie mocy obliczeniowej poprzez zastosowanie procesorów graficznych GPU. Porównane zostały wyniki osiągnięte od roku 2003 obliczone z wykorzystaniem zwykłego procesora CPU oraz procesora graficznego GPU. Obliczenia zostały wykonane na modelu złożowym wykonanym na siatce przestrzennej złożonej z 3 milionów komórek. Równanie bilansu masowego w przybliżeniu opisuje metoda przepływu dwufazowego w ośrodku porowatym typu IMPES. W rezultacie modelowania numerycznego wtórnego wydobycia ropy naftowej z wykorzystaniem procesora graficznego GPU, wyniki obliczeń uzyskano wielokrotnie szybciej niż w przypadku stosowania procesora typu CPU.
    Źródło:
    AGH Drilling, Oil, Gas; 2012, 29, 1; 75-88
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Elastic interaction of couplings and pipes walls in tight threaded joints
    Autorzy:
    Paliychuk, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/298908.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    oil and gas recovery
    Opis:
    Box threaded connections of pipes are used at oil and gas recovery. The pipe and the coupling interact elastically by their tapered surfaces with radial tightness in the thread and the sealing. Strength and impermeability of the connection depends on this interaction.The pipe and the coupling are thin-walled cylinders with the linear variable wall thickness. Their sections have varying lengthwise rigidity of walls and axial-symmetric bends. Therefore, their calculation differs from the Lame problem and from the calculation of cylinders with the fixed wall thickness.Physical and mathematical principles of the calculating parameters of elastic-strained state of all parts of pipe walls and coupling connections with the sealing box have been formulated in the article.
    Źródło:
    AGH Drilling, Oil, Gas; 2015, 32, 4; 731-737
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microbial flooding increases recovery factor of depleted Pławowice oil field - from lab to the field
    Autorzy:
    Falkowicz, S.
    Cicha-Szot, R.
    Dubiel, S.
    Launt, P.
    Nelson, S.
    Wójcicki, W.
    Rogaliński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/298938.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    oil fields
    Carpathian Foredeep
    MEOR
    recovery factor
    Carpathians
    Opis:
    The paper relates to the application of microbial enhanced waterflooding to improve the recovery factor and extend the productive life of depleted oil fields in the Carpathians Foreland. This technology and the application method used are categorized as Microbial Enhanced Oil Recovery (MEOR). Results of laboratory tests simulating the microbial flooding process in the oil field are presented along with results from the first two years of microbial flooding at Pławowice oil field. In the first two years of field application this MEOR process has increased the production ratę of two oil wells by 70% on average above the rate before treatment.
    Źródło:
    AGH Drilling, Oil, Gas; 2015, 32, 2; 345-357
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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