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    Wyświetlanie 1-12 z 12
    Tytuł:
    Gas Hydrate Detection Based on High Resolution Seismic Data in the Southeastern Offshore of Vietnam
    Autorzy:
    Mai, Thanh Tan
    Mai, Thanh Ha
    Nguyen, Quoc Huy
    Nguyen, Nhu Trung
    Powiązania:
    https://bibliotekanauki.pl/articles/27323248.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    gas hydrate
    high resolution seismic
    Gas Hydrate Stability Zones/GHSZ
    Bottom Simulated Reflector/BSR
    gaz
    sejsmika
    hydratacja
    Opis:
    Gas hydrates are the accumulations of methane (natural gas) trapped in ice-like structures with water. Gas hydrates represent an immense energy resource underlying large portions of the world’s marine continental shelves. Vietnam has a large continental shelf area, in the deep water zone with suitable low temperatures and high pressure, which is suitable for the formation and existence of potential energy source of Gas Hydrate (GH). The application of High-Resolution Seismic method (HRS) plays an important role in exploring for Gas Hydrate. The enhancement of HRS research such as optimal short - reception conditions and advanced data processing suitable for Gas Hydrate in shallow layers below the seafloor, allows for determining the geological factors related to Gas Hydrate’s existence in the deep water area. Advancements in data processing technology, such as noise filters (Radon, F-K, SRMA, Tau-P..), seismic attributes analysis, seismic migration, AVO, seismic inversion, pre-stack seismic data and AI technology … allow to identify of the signs of Gas Hydrate presence, such as Bottom Simulated Reflector (BSR), Gas Hydrate Stability Zone (GHSZ), Pockmark, Chimney, etc. This paper presents some of the results obtained from applying High-Resolution Seismic method to predict the distribution of Gas hydrate in the Southeastern offshore of Vietnam.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 137--142
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Natural gas hydrate promotion capabilities of toluene sulfonic acid isomers
    Autorzy:
    Jarrahian, A.
    Heidaryan, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/779767.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    natural gas hydrate
    hydrotrope
    toluene sulfonic acid
    Opis:
    The purpose of this study was to investigate the natural gas hydrate promotion capabilities of the hydrotrope Toluene Sulfonic Acid (TSA) isomers as an additive. The capabilities of TSA isomers were measured with different concentrations. The optimum additive concentration for hydrate formation was determined for the given pressure, temperature, mixing condition, and cooling time. The natural gas hydrate promotability of para-TSA was found to be 20% and 35% more than meta-TSA and ortho-TSA respectively at the optimum concentration. Beyond the optimum TSA concentration, the hydrate formation declined as the ice formation reduced the overall gas-to-water volume ratio in the hydrates.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 1; 97-102
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    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:
    Development of new technologies for shipping natural gas by sea
    Autorzy:
    Bortnowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/258788.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    natural gas
    liquified gas
    CNG carriers
    compressed gas
    NGH carriers
    gas hydrate
    operational cost of gas transport
    Opis:
    In recent years dynamic increase of orders for ships intended for liquified natural gas (LNG) shipping has been observed with simultaneous trend of increasing their transport capability. This results from the fact that natural gas has become today the third energy source worldwide just next to crude oil and coal. The fast growth of demand for natural gas and its limited resources would cause growth of its price, therefore better solutions of natural gas transport technology with respect to economy, ecology and safety should be searched for. This paper presents various technologies for natural gas transport by sea with special attention paid to some alternative methods of transport, namely: CNG and NGH ransport technologies in contrast to LNG one.
    Źródło:
    Polish Maritime Research; 2009, 3; 70-78
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prospects for the development of hydrate storage and transportation technology of methane gas
    Autorzy:
    Pavlenko, A.
    Koshlak, H.
    Vytyaz, O.
    Rybicki, Cz.
    Powiązania:
    https://bibliotekanauki.pl/articles/298817.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    gas hydrate
    jet apparatus
    free falling jet
    continuous cycle of production
    coagulation
    heat of gas hydration
    Opis:
    The gas hydrate tecłmologies can be alternative to the traditional methods of the rational use of hydrocarbon gases. However the known constructions of apparatuses for the production of gas hydrates cannot satisfy the condition of their industrial use fully. Authors offer to carry out the high-quality contact of gas and water at formation of gas hydrate by jet apparatuses with a free falling jet. On their basis a technological chart is offered for realization of continuous cycle of production of gas hydrate. The aim is to develop technical solutions and process parameters of continuous production of gas hydrates, which would satisfy the requirements of industrial application
    Źródło:
    AGH Drilling, Oil, Gas; 2015, 32, 1; 13-21
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gas hydrates impact on corrosion of the well flow lines material
    Autorzy:
    Poberezhny, L.
    Hrytsanchyk, A.
    Mandryk, O.
    Poberezhna, L.
    Popovych, P.
    Shevchuk, O.
    Mishchuk, B.
    Rudyak, Yu.
    Powiązania:
    https://bibliotekanauki.pl/articles/2175767.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    gas hydrate
    oil and gas region
    corrosion-mechanical tests
    influence of hydrate formation
    inner pipe corrosion
    hydraty gazowe
    region ropy i gazu
    badania korozyjno-mechaniczne
    wpływ tworzenia się hydratów
    korozja rur wewnętrznych
    Opis:
    Purpose: Determination of regularities of joint action of mechanical stresses, formation water and hydrate formation on corrosion of material of flow pipelines. Design/methodology/approach: According to the analysis of reservoir water of the investigated deposits, it was found that the main corrosive component is soluble chlorides. Proposed for corrosion and corrosion-mechanical tests of 6 model environments. An estimation of the influence of stress concentration, depending on the defects of the inner wall of the pipe, was carried out, and the nominal local stresses in the pipeline was carried. Findings: The basic regularities of influence of stress and hydration formation on corrosion and localization of corrosion processes and on the kinetics of deformation of samples are described. For samples made of steel 20 and 17GS, an increase in the velocity of general and local corrosion for samples sustained in the gas hydrate was observed compared to the control results obtained, the coefficient of influence of the gas hydrate on corrosion was calculated. Research limitations/implications: The obtained results are valid for thermobaric operating conditions of well flow lines. Practical implications: The data obtained in the work on the patterns of corrosion processes and the impact of hydrate formation on them will allow to identify potentially dangerous areas of flow lines and prevent emergencies. Originality/value: Based on the analysis of the geometric dimensions of the defects, the effective stress concentration coefficients are calculated, and it is shown that the stresses in the vicinity of corrosion defects in normal operating modes range from 164 to 545 MPa.
    Źródło:
    Archives of Materials Science and Engineering; 2021, 110, 1; 5--17
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gidratoobrazovanie v gazovom ezhektore
    Hydrate formation in gas ejector
    Autorzy:
    Red'ko, A.
    Babenko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/78261.pdf
    Data publikacji:
    2014
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    hydrate formation
    gas ejector
    energy loss
    humidity
    operating environment
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 6
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of the stability of methane hydrates in normal conditions
    Autorzy:
    Pavlenko, A.
    Koshlak, V.
    Vytyaz, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/298759.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    storage of gas
    gas hydrates
    hydrate błock
    thermal conductivity
    forcibly preservation
    equilibrium conditions
    Opis:
    The problems of accumulation, transport and storage of gases and gas mixtures exist in many cases. Often the existent technologies appear ineffective for transporting his with pipelines, as condensate or compressed gas. Therefore, the transportation and storage of gas in hydrate form can be an alternative to traditional technologies. Preservation of gas hydrate blocks can store them for some time at the no equilibrium conditions. The thermodynamic parameters of forcibly conservation of gas hydrate blocks theoretically are determined and experimentally verified.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 4; 495-505
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    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:
    Wybrane nowe technologie w transporcie i zastosowaniach energetycznych gazu ziemnego
    Some new technologies of natural gas for transport and energy applications
    Autorzy:
    Warowny, W.
    Rychlicki, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/299741.pdf
    Data publikacji:
    2007
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    ogniwa paliwowe
    transport hydratów
    transport CNG
    gaz ziemny do pojazdów
    termoakustyczne skraplanie
    pomiary energii gazu ziemnego
    fuel cells
    hydrate transport
    CNG transport
    natural gas for vehicles
    thermoacoustic liquefaction
    natural gas energy measurements
    Opis:
    Istnieje zapotrzebowanie na technologie pozwalające transportować gaz ziemny poza systemem sieci gazociągowej, przede wszystkim dla złóż mało opłacalnych i na krótszą odległość. Dla tego celu wykorzystano następujące technologie: hydratację gazu ziemnego (NGH), sprężony gaz ziemny (CNG) i jego termoakustyczne skraplanie. Powyższe technologie są stosunkowo nowe i są na etapie dalszego ich rozwoju. W drugim przypadku dotyczącym zastosowań energetycznych rozważano ogniwa paliwowe, sprężony gaz ziemny (CNG) do pojazdów i nową metodę pomiaru energii. Zastosowania ogniw paliwowych są bardzo szerokie, na przykład w: urządzeniach elektronicznych, gospodarstwach domowych, motoryzacji, wojsku czy instalacjach energetycznych i przemysłowych. Ogniwa paliwowe są ciągle na etapie rozwoju technologicznego i obecnie są jeszcze bardzo kosztowne. Gaz ziemny do napędu pojazdów jest najczystszym i obiecującym alternatywnym paliwem przyszłości, ponieważ redukuje emisję gazów trujących, gazów cieplarnianych i poziom hałasu. Te walory są szczególnie ważne w miastach, gdzie liczba ludności i ilość samochodów jest największa. W przypadku pomiaru energii, zamiast obliczenia energii z objętości i ze składu gazu, proponuje się metodę korelacyjną. Nowa koncepcja metody opiera się na pomiarach właściwości fizycznych.
    There is a need for non-pipeline technologies that can capture and transport natural gas to markets, especially for stranded gas reserves and for shorter distance transport of the gas. For this purpose following technologies are developed: natural gas hydrate (NGH), compressed natural gas (CNG) and thermoacoustic liquefaction. All of these technologies are relatively new and not finally mature. In the second case, for energy applications have been considered fuel cells, CNG for vehicles and new energy measurement method. Applications of the fuel cells are very extensive, e.g. in: electronic devices, home, transportation, military, power and industrial installation. Fuel cells are still heavily under technological development and their present state are very expensive. The natural gas has a promising future as the cleanest an alternative fuel for vehicles, because reduces the emission toxic exhaust gases, greenhouse gases and noise level. It is especially important in the cities, where is the greatest concentration of people and vehicles. For energy measurement, instead conversion of volume for known composition, a correlation method is proposed. A new concept of the method is based on measurement of physical properties.
    Źródło:
    Wiertnictwo, Nafta, Gaz; 2007, 24, 2; 901-914
    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 1-12 z 12

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