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Wyświetlanie 1-10 z 106
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:
Storage of hydrogenous gas in geological formations: self-organisation methane gas
Autorzy:
Toleukhanov, A.
Kaltayev, A.
Panfilov, M.
Powiązania:
https://bibliotekanauki.pl/articles/298661.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
porous media
hydrogen
reactive transport
bacteria
neuston
chemotaxis
population dynamics
oscillations
Opis:
In the case of producing large amounts of hydrogenous gas, currently there are no problems related to basic techniques of hydrogen production and distribution, but the main technological problem will consists of storing it in order to regulate the difference between permanent or increasing gas production and seasonally modulated gas consumption. The most efficient and most inexpensive method of storing large amounts of hydrogen is to inject them in geological formations like aquifers, depleted gas reservoirs, or salt caverns (Zittel and Wurster 1996). The cost is of order $ 3.5 per 1 GJ (Taylor et al. 1986). Several underground storages of hydrogen (USH) or town gas exist in the word, as for instance, Teeside in the UK, in Texas, in Russia, Kiel in Germany, Lobodice in Czechoslovakia, Beynes - an ex-storage in France. During several tens of years the storage of hydrogen was considered as something deja-vu, to be similar to that of natural gas, which is amplified by the chemical inactivity of hydrogen and its very low solvability in groundwater [Bulatov 1979; Carden and Paterson 1979; Lindblom 1985; Paterson 1983]. Nevertheless, quite unusual behaviour of UHS was discovered by in situ monitoring of the gas composition extracted during the cycle "production" which followed the cycle "injection". These observations (Smigai et al. 1990; Buzek et al. 1994) revealed high variations of gas composition in time and space. In particular, a significant reduction in the H2 and CO2 contents and a simultaneous increase in CH4 contents were observed in the Lobodice town gas storage facility (Smigai et al. 1990). Similar phenomena were recorded in Beynes. After several months of injection and storage, at the beginning of the cycle "production" the twofold increase of the methane contents in the reservoir gas and the twofold reduction of the CO2 CO contents was observed. The contents of hydrogen decreased by 1.4. The explanation to these observations has been done in (Buzek et al. 1994) in terms of the in situ methane generators by methanogenic bacteria which catalyse the reaction between hydrogen and CO2/CO, by producing methane and water. Further observations have revealed even more unusual effects within the storage facility, such as creating a spatial alternation of the areas saturated preferably by hydrogen or methane. This proved an in situ natural separation of chemical components in space. Thus, we are dealing with a natural reactor which partially destroys CO2 and H2 and doubles the mass of methane. It is clear that the problem is important for industry as it concerns both the energy sector and ecology. The resulting economical efficiency of such a process can be estimated only after the physical and mathematical modeling of all possible scenarios of the reservoir behaviour. The development of such a model represents the main objective of this paper.
Źródło:
AGH Drilling, Oil, Gas; 2013, 30, 1; 241-245
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept of underground gas storage in the limestone rocks in Slovenia
Autorzy:
Vukelić, Željko
Vulić, Milivoj
Powiązania:
https://bibliotekanauki.pl/articles/103386.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
underground storage of gas
lined rock cavern
limestone
elastic modulus
podziemne magazynowanie gazu
wapień
moduł sprężystości
Opis:
The paper provides research and results for underground storage of gas (UGSG) in limestone rocks, which were carried out in Slovenia – Central Europe. The areas was geological surveyed and in addition structural boreholes were drilled up to the depth of 350 m. The cores were logged with emphasis on stratigraphy, layering, rock joints, tectonic zones, RQD… and addition characteristics samples were taken for the laboratory rocks geomechanical characteristics investigations. In boreholes geophysical, pressiometric and hydro-geological investigations were also carried out. In the area where the researches have been carried out, limestone, dolomites and breccias are prevalent. Storage should be built for pressure between 15 and 20 MPa. Explorations confirmed that there is a possibility of building a high-pressure underground storage of gas (UGSG) and using applied mechanics for design LRC (Lined Rock Cavern) technology. The construction of underground storage facilities for natural gas storage is important in cases, where the gas supply does not meet the required capacity for operation of the thermal power plant.
Źródło:
Advances in Science and Technology. Research Journal; 2018, 12, 3; 197-202
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wyznaczanie kształtu ścian bocznych wysadów solnych metodą tomografii sejsmicznej na przykładzie wysadu "Góra"
Shape estimation of the salt domesside walls with seismic tomography- a salt dome "Góra" case study
Autorzy:
Krynicki, T.
Mieszkowski, R
Wojas, A.
Powiązania:
https://bibliotekanauki.pl/articles/2074359.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
tomografia sejsmiczna
wysad solny
obraz falowy
seismic tomography
salt dome
storage of gas
wave picture
Opis:
Salt Dome “Góra” was studied with seismic tomography method. Three profiles are described. The interpretation of wave pictures helped to locate the walls of the studied salt dome’s. The research confirmed the salt dome has good properties for storage of gas or toxic and radioactive wastes.
Źródło:
Przegląd Geologiczny; 2005, 53, 8; 695--698
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ways of increasing natural gas storage capacity in underground gas storages in the Czech Republic
Autorzy:
Bujok, Petr
Klempa, Martin
Kunz, Antonin
Porzer, Michal
Rado, Robert
Roček, Erik
Ryba, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/299243.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
natural gas
storage of natural gas
geological structures
Czech Republic
Opis:
Natural gas fields are usually located far away from the end users and industrially developed countries, where the gas demand is highest. In such cases, natural gas is transported from the production site to the receiver mainly with gas pipelines. Such pipelines may transmit a definite volume of natural gas. Most of the time gas transport is stable in time, unless the demand changes, e.g. in winter or in the case of pipeline failure. In such a case the pipeline system cannot cover the increased demand and supply sufficient amounts of gas. One of the ways to solve the problem of varying demand and limited potential as far as gas transmission over long distances is concerned, are underground gas storages, thanks to which the operational gas deliveries can be regulated, i.e. it can be stored in periods of lower demand and used in the high demand situations. This safety buffer provides the stability and reliability of the entire natural gas distribution system. The methods of increasing the natural gas storage capacity of UGS were discussed in this paper with special emphasis on the primary and secondary tightness of geological structures hosting UGS. Authors also analyzed how laboratory tests conducted at VŠB-TU Ostrava can be broadened to verify the possibilities of increasing natural gas storing capacity, depending of the geological horizons and structures in which the UGS is located.
Źródło:
AGH Drilling, Oil, Gas; 2019, 36, 1; 113-123
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Safety technical problems associated with the storage of liquefied natural gas (LNG)
Autorzy:
Oliinyk, A.
Łaciak, M.
Powiązania:
https://bibliotekanauki.pl/articles/298850.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
LNG
storage problems
Opis:
Liquefied natural gas (LNG) due to its extremely favorable properties is considered to be one of the most convenient sources of energy, both the transport, storage and distribution. However, these same properties, and factors which represent the LNG as convenient, such as: a very low temperature (-162 degrees of Celsius), a very large increase in the volume of the evaporation (about 600 times) and also create a potential threats The greatest potential threats are in areas where LNG is a very large quantities for a long period of time. The facts presented above show that there is potentially the greatest threat to the storage of LNG. Leaks, clouds LNG vapor, explosions, low temperature, and "rollover" are the most dangerous potential hazards that occur during storage of LNG. Each of these risks can be avoided. This is achieved by the use of appropriate materials for tanks and equipment, as well as the proper and adequate execution of engineering design at each stage of technology. Proper selection of vessel design and materials, and the use of appropriate methods of combining them decide on a safe and long life tanks.
Źródło:
AGH Drilling, Oil, Gas; 2013, 30, 1; 181-189
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magazynowanie gazu ziemnego w strukturach solnych – stan obecny, perspektywy rozwoju
Storage of natural gas in salt structures – current state, prospects of the development
Autorzy:
Kaliski, M.
Gross-Gołacka, E.
Janusz, P.
Szurlej, A.
Powiązania:
https://bibliotekanauki.pl/articles/2192144.pdf
Data publikacji:
2013
Wydawca:
Polskie Stowarzyszenie Górnictwa Solnego
Tematy:
bezpieczeństwo energetyczne
bilans energetyczny
gaz ziemny
podziemny magazyn gazu
kawerna solna
power security
natural gas
underground gas storage
Opis:
Artykuł porusza zagadnienia związane z zapewnieniem bezpieczeństwa energetycznego. Scharakteryzowano pojęcie bezpieczeństwa energetycznego, ukazano jego złożoność oraz przedstawiono odpowiedzialność zainteresowanych stron za zapewnienie bezpieczeństwa energetycznego. W artykule przedstawiono strukturę bilansu energetycznego kraju ze szczególnym uwzględnieniem gazu ziemnego. Zostały zaprezentowane kierunki dostaw tego paliwa, struktura jego zużycia oraz wskaźnik zależności importowej Polski od surowców energetycznych. Przedstawiono rodzaje podziemnych magazynów gazu (PMG) oraz scharakteryzowano ich podstawowe parametry. Mając na uwadze znaczenie PMG dla krajowego systemu gazowego przedstawiono obecny stan infrastruktury magazynowej w kraju oraz możliwości budowy podziemnych magazynów gazu w kawernach solnych.
The article concerns the matters connected with assuring the power security. There were characterized the definition of power security, its complexity and responsibility of parties for providing it. The article depicts the structure of national power balance with a special regard towards natural gas. There were presented directions of supplies of this fuel, the structure of its consumption and the indicator of import dependence for Poland concerning power materials. There was also presented types of underground gas storage facilities and their basic parameters. Taking into consideration the meaning of UGS for national gas system, the Authors show current condition of national storage infrastructure in Poland and possibilities of construction of underground gas storage in salt cavern.
Źródło:
Przegląd Solny; 2013, 9; 7--19
2300-9349
Pojawia się w:
Przegląd Solny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of underground gas storage in the EU gas market
Autorzy:
Janusz, P.
Kaliski, M.
Szurlej, A.
Powiązania:
https://bibliotekanauki.pl/articles/299269.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
natural gas
underground gas storage
Opis:
One of the main intentions of the European Union is to create common and liberalizated market of natural gas in Europe. Actions has been taken in this area for a few years, however achived effects do not reach the aims that were assumed at the beginning. The quantity of natural gas consumption in the European Union during last years is characterized by a declining tendency (decreasing usage of natural gas in power sector, higher temperature during autumn and winter season also infulences on limiting of natural gas demand), in 2012 the consumption was forming on the level of 444 billion m3, and for example in 2008 it amounted to 497 billion m3. The regulations concerning the natural gas market embrace all of the elements which have an impact on building consolidated and liberalizated market, it means: transfer, distribution and LNG, storage. The authors of this article wants to draw one's attention to the particular role of underground gas storages and depict change of the tasks, which they have to fulfill on the liberalizating market of natural gas in Europe (ie. Price arbitration). The purpose of this article is to presentthe current situation on the market of storage services, which means available storage capacities, the level of their usage and plans regarding extension and constructing of new capacities.
Źródło:
AGH Drilling, Oil, Gas; 2014, 31, 1; 11-23
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Liquefied natural gas storage of variable composition
Magazynowanie skroplonego gazu ziemnego o zmiennym składzie
Autorzy:
Łaciak, M.
Powiązania:
https://bibliotekanauki.pl/articles/218812.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
LNG
liquefied natural gas
regasification
energy efficiency
liquefied gas storing
LNG stratification
double diffusion
dostawy LNG
gaz LNG
regazyfikacja
podwójna dyfuzja
Opis:
Thanks to the increasing diversification of LNG supply sources, being a result of the growing number of LNG liquefaction installations over the World, increase of short-term trade contracts and general trend to globally liberalize gas markets, reception terminals have to cope with the broad range of qualitatively diversified LNG deliveries from various sources. Different LNG deliveries potentially have different density caused by different gas composition. Although the LNG composition depends on LNG source, it mainly consists of methane, ethane, propane, butane and trace nitrogen. When a new supply of LNG is transported to the tank, the LNG composition and temperature in the tank can be different from LNG as delivered. This may lead to the liquid stratification in the tank, and consequently the rollover. As a result, LNG rapidly evaporates and the pressure in the tank increases. More and more restrictive safety regulations require fuller understanding of the formation and evolution of layers. The paper is focused on the analysis of liquid stratification in the tank which may take place when storing LNG, and which process leads to the rapid evaporation of considerable quantities of LNG. The aim was to attempt modeling of the process of liquid stratification in an LNG tank. The paper is closed with the results of modelling.
Dzięki rosnącej dywersyfikacji źródeł dostaw LNG, spowodowanej zwiększającą się liczbą instalacji skraplania gazu na całym świecie, wzrostem ilości kontraktów krótkoterminowych w handlu i ogólnej tendencji do globalnej liberalizacja rynków gazu, terminale do odbioru muszą radzić sobie z coraz większą gamą różnych jakościowo dostaw LNG z różnych źródeł. Różne dostawy LNG mają potencjalnie inną gęstość dzięki różnym składom gazu. Chociaż kompozycja LNG zależy od źródła, to przede wszystkim składa się z metanu, etanu, propanu, butanu i w śladowych ilościach z azotu. Gdy nowa dostawa LNG jest doprowadzana do zbiornika, skład i temperatura LNG już w zbiorniku może być inny niż dostarczanego. Może to prowadzić do rozwarstwienia cieczy w zbiorniku, a w konsekwencji wystąpienia zjawiska znanego jako „rollover”. W wyniku tego zjawiska następuje gwałtowne odparowanie LNG i nagły wzrost ciśnienia w zbiorniku. Coraz bardziej restrykcyjne przepisy dotyczące bezpieczeństwa wymagają pełniejszego zrozumienia zjawiska tworzenia i ewolucji warstw. W artykule przeprowadzono analizę procesu rozwarstwienia cieczy w zbiorniku, mogącego wystąpić podczas magazynowania skroplonego gazu ziemnego, a prowadzącego do gwałtownego odparowania znacznych ilości LNG. Celem była próba modelowania procesu powstawania rozwarstwienia się cieczy w zbiorniku LNG. Przedstawione zostały wyniki modelowania tego zjawiska.
Źródło:
Archives of Mining Sciences; 2015, 60, 1; 225-238
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Importance of sonar surveying in the monitoring and operation of natural gas caverns
Autorzy:
Reitze, A.
Krieter, M.
Tryller, H. von
Powiązania:
https://bibliotekanauki.pl/articles/183565.pdf
Data publikacji:
2010
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
natural gas caverns
sonar survey
thermodynamics of natural gas storage
Opis:
It is becoming increasingly important to carry out thermodynamic calculations starting from the very first stage of storage planning and continuing right on up to the actual storage operation in gas caverns. The reason for this is that on the one hand the availability of gas quantities and the efficiency of the storage facilities need to be determined and on the other hand these have to be predicted as reliably and as quickly as possible. History match methods and particularly the predictions (on a daily or hourly basis) of pressures, temperatures and operating gas amounts in relation to the existing storage situation are therefore important tools for the storage operator to enable him to react to short and medium-term market needs. SOCON Sonar Control Kavernenvermessung GmbH recognized the need for and so developed a software package that, based on the SOCON sonar survey in caverns under gas with the accompanying logs, answers the remaining thermodynamic and rock mechanics questions. This provides the cavern operator with the opportunity to increase operational safety and at the same time allows the capacities and performance profiles during injection and extraction to be assessed (history match) and predicted.
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2010, 36, 3; 419-430
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 106

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