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    Wyświetlanie 1-5 z 5
    Tytuł:
    Methane hydrate technologies in Ukraine: research and prospects
    Autorzy:
    Zhuk, H.
    Pyatnichko, O.
    Krushnevich, V.
    Fedorenko, D.
    Klymenko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/298701.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    methane hydrate
    transport of natural gas
    methane production
    alternative fuel sources
    carbon dioxide capture and storage
    hydrate test stand
    Ukraine
    Opis:
    Abstract Methane production from natural gas hydrates will enable the reduction of a great part of natural gas import deliveries and to give up them completely in the future. Gas hydrate technologies compared with existing ones, also gives the possibility to transport gas, divide gas and liquid mixtures, concentrate water solutions, utilize and store СО2, etc. with greater efficiency. However, methane production technologies have not developed industrially and their study was performed with the help of experimental units and in separate gas hydrates deposits in the mode of tests and elaborations. The prospects of the hydrate technologies development in the Ukraine were determined: transportation of natural gas in the form of hydrates, long-term storage of natural gas in hydrate state, natural gas production from its hydrate deposits. Positive international experience in terms of the development of hydrate technology is studied. In order to study formation and dissociation hydrates of carbon dioxide and natural gas components, Gas Institute have made hydrate stand facility. The express method of determining thermodynamic and kinetic parameters of hydrate transformation was tested. Natural gas hydrates as well as carbon dioxide hydrates were produced with the help of the express method. It was determined that the composition of original natural gas and gas of hydrates decomposition is of great difference – it means that “selective” hydrates formation of natural gas formation is performed.A set of experiments was also performed to study the process of methane replacement with the help of carbon dioxide. According to the gaseous phase analysis, 14% increase of methane content was fixed. This fact proves its replacement in hydrates with the help of carbon dioxide.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 4; 811-818
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technology for development of methane-hydrate deposits jointly with receiving fresh water
    Autorzy:
    Denysov, Y.
    Klymenko, V.
    Martynenko, V.
    Rybicki, Cz.
    Powiązania:
    https://bibliotekanauki.pl/articles/298671.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    gas hydrates
    gas hydrate deposit
    methane
    carbon dioxide
    fresh water
    exergy efficiency
    economic efficiency
    Opis:
    The technology of development of bottom gas-hydrate deposits, which allows to receive fresh water simultaneously with methane, is presented. Principal schemes are presented and methods of operation of dualpurpose plants implementing this technology and described on the basis of the methods of gas production from methane hydrates that are most prepared for practical implementation: 1) injection of warm water into the well; 2) depressive effect on the deposit; 3) replacement of methane in hydrates with carbon dioxide injected into the reservoir. The magnitude of the decrease in temperature with the depression effect on the deposit is determined. It is shown that, the amount of fresh water obtained in dual-purpose plants operating with the replacement of methane in hydrates with carbon dioxide is proportional to the coefficient of the recycling rate of CO2. For the considered schemes of dual-purpose plants, processes of decomposition of methane hydrates in the gas-hydrate formation are analyzed, an exergic efficiency estimation is performed. Such installations. The economic efficiency of a single-purpose and dual-purpose gas-producing units operating according to an approved method of depression is considered. It is shown that the most effective are dual-purpose facilities operating using the method of methane replacement in hydrates with carbon dioxide, and the coefficients of economic efficiency of dual-purpose installations are at least 1.2 times higher than similar coefficients of single-purpose gas production facilities.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 2; 531-542
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Apparatus to study volumetric properties of the gas hydrates
    Autorzy:
    Lorenc, M.
    Warowny, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/298898.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    hydrate
    hydratation
    methane
    hydrogen sulfide
    separation
    desulfurization
    natural gas
    laboratory apparatus
    nucleation
    phase equilibrium
    dissociation
    uwadnianie
    metan
    aparatura laboratoryjna
    siarkowodór
    gaz ziemny
    Opis:
    A new pVT apparatus was built on Department of Drilling, Oil and Gas at AGH University of Science and Technology, which was sponsored by the Polish Oil and Gas Company. The apparatus was adjusted to measurement of the proprieties of the gas hydrates. On the schematic diagram of this apparatus, methodological solutions of the equipment were compared to different of this kind literature apparatuses. Among others innovatory elements of the present apparatus some of them should be counted: method of the changes of volume or automatic system (arrangement) to taking the sample with supported nafion drying. The first step of the experimental study is desulfurization of the natural, by using process of the hydrates formation in gas mixture.
    Źródło:
    AGH Drilling, Oil, Gas; 2012, 29, 3; 419-430
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Doświadczalne metody badań hydratów gazowych
    Experimental investigations methods of gas hydrates
    Autorzy:
    Lorenc, M.
    Warowny, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/299345.pdf
    Data publikacji:
    2011
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    nukleacja
    hydrat
    klatraty
    metan
    eksperymentalne
    niestechiometryczne
    inhibitor
    wiązanie van der Waalsa
    wiązanie wodorowe
    krystaliczne
    hydrate
    clathrate
    methane
    experimental
    nucleation
    nonstoichiometric
    van der Waals bond
    hydrogen bond
    crystalline
    Opis:
    Poznanie natury hydratów gazowych opiera się głównie na badaniach doświadczalnych w skali laboratoryjnej i ćwierć-technicznej oraz na teorii popartej obliczeniami i symulacjami komputerowymi. W pracy przedstawiono metody pomiarowe dotyczące tworzenia lub/i zapobiegania tworzenia się hydratów gazowych, badania ich właściwości oraz wykorzystanie w nowych technologiach. Generalnie badania doświadczalne hydratów gazowych i hydratacji można podzielić na kilka grup tematycznych: doświadczalne i obliczeniowe wyznaczanie równowag fazowych, badania parametrów fizykochemicznych i strukturalnych, pomiary kinetyczne, w tym nukleacji i aglomeracji cząsteczek, badania wpływu na hydratację inhibitorów i surfaktantów, możliwość zastosowań technologicznych, w szczególności hydratu metanu, w tym wydobycia, przesyłu, magazynowania i oczyszczania, plus badania geologiczne i geofizyczne w celu oszacowania zasobów hydratu metanu.
    Knowledge of the nature gas hydrates is connected mainly with experimental studies in laboratory and pilot plant and theory supported by calculations and computer simulations. In work have been given methods of measurement dealing with: formation and/or prevention of formation gas hydrates, studies their properties, and utilization in new technologies. Generally, studies of the gas hydrates and hydratation can be divided on several thematic groups: experimental and calculated determination of phase equilibrium, studies of the physicochemical and structural parameters, kinetic measurements, including nucleation, and agglomeration of particles, studies influence of inhibitors and surfactants on the hydratation process, possibility of technological applications, especially hydrate of methane, including getting out, transport, storage and purification, plus geological and geophysical studies carried out in order to estimation methane hydrate deposits.
    Źródło:
    Wiertnictwo, Nafta, Gaz; 2011, 28, 1-2; 227-251
    1507-0042
    Pojawia się w:
    Wiertnictwo, Nafta, Gaz
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gazohydraty - nowy rodzaj paliw kopalnych
    Gas hydrates - a new type of fossil fuel
    Autorzy:
    Zagorski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075083.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    gas hydrates
    methane
    permafrost
    mud volcanoes
    Mallik
    Kuparuk River
    Messoyakha
    Nankai
    submarine landslide
    hydrate-bearing sediments
    unconventional hydrocarbon resources
    gazohydraty
    metan
    strefa wiecznej zmarzliny
    wulkany błotne
    otwór Mallik
    rzeka Kaparuk
    podmorskie osuwiska
    niekonwencjonalne złoża węglowodorów
    Opis:
    Unconventional hydrocarbon resources in last years draw the attention of petroleum geologists. Significant position take the gas hydrates, first of all due to occurrences in many regions of the world and the size of the potential resources. These accumulations are localized in Arctic regions with permafrost as well as offshore. First gas hydrate discovery occurred in Siberian gas field Messoyakha in permafrost zone and similar accumulations were found in Alaska. Offshore occurrences are located mainly on continental slope. Drillings and samples from permafrost and seabed provided vast amount of data concerned conditions of gas hydrates formation and concentration and allow to better constrain the volume of hydrate-bearing sediments and their gas yield. Resources of hydrocarbons contained in gas hydrate deposits represent a vast energy source potential. Still essential problem is to elaborate efficient commercial production technology. So far positive developments regard only laboratory or semi-commercial scale.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 8; 452--459
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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