Temat: Permeability - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Microscale modeling of CO2-EOR process in coupling with laboratory measurements
Autorzy:: Janiga, D.
Czarnota, R.
Stopa, J.
Wojnarowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/298593.pdf
Data publikacji:: 2017
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: CO2-EOR
microscale simulation
relative permeability
Opis:: Application of enhance oil recovery methods (EOR) as carbon dioxide injection (CO2-EOR) can increase technological or economical production indicators. For the evaluation of process effectiveness, full scale simulation model is used. Numerical models require large number of high quality geological and production data. However, the necessary data may be uncertain therefore microscale laboratory experiment and modeling can provide a knowledge to understand the fluid flow phenomena. In this paper the authors propose an integrated decision model coupling laboratory measurements of displacement with the numerical simulation of flow. First step consists of routine rock properties determination, after that core sample geometry, porosity and permeability were reconstructed in numerical reservoir simulator. Simple core model was combined with relative permeability measurements for oil - water and oil - carbon dioxide as well as fluid properties. Calibrated to laboratory measurements simulation model was used to analyze the process of CO2-EOR and evaluation of its effectiveness depending on technological parameters.
Źródło:: AGH Drilling, Oil, Gas; 2017, 34, 1; 37-47
2299-4157
2300-7052
Pojawia się w:: AGH Drilling, Oil, Gas
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Predicting relative permeability from experimental capillary pressure porous plate test for two phase flow
Autorzy:: Czarnota, R.
Janiga, D.
Stopa, J.
Wojnarowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/298727.pdf
Data publikacji:: 2017
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: capillary pressure
relative permeability
crude oil
multiphase flow
Opis:: Relative permeabilities relationships as a function of fluids saturation are one of the most important parameters for describing multiphase flow processes in reservoir rocks. When direct laboratory tests are not available for investigating oil-water multi-phase flow in rocks, then indirect prediction techniques using relative permeability functions are widely used, e.g. from capillary pressure test. In this study the measurement of capillary pressure was performed on rocks plugs with different characteristics at reservoir conditions using porous plate method. During measurement semi-permeable membrane was used with 15 bar threshold pressure, what allowed to register formation water saturation, at changing differential pressures steps. Desaturation at each pressure stage was continued until no more produced liquid was observed. Water saturation point at maximum capillary pressure applied is assumed to be final irreducible water saturation. Application of porous plate method provides sufficient stabilization time, allowing to achieve uniform saturation distribution. In this research, Brook-Corey model was used to predict relative permeability from experimental measured capillary pressure data for oil-water phase flow in porous media. As a result, it is possible to obtain more accurate capillary pressure outcomes, and relative permeability curves for the two-phase system, than other methods used in practice. Performing capillary pressure measurements at reservoir conditions, allows to restore the processes occurring in the reservoir.
Źródło:: AGH Drilling, Oil, Gas; 2017, 34, 2; 323-334
2299-4157
2300-7052
Pojawia się w:: AGH Drilling, Oil, Gas
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The role of capillary trapping during geologic CO2 sequestration
Autorzy:: Knapik, E.
Janiga, D.
Wojnarowski, P.
Stopa, J.
Powiązania:: https://bibliotekanauki.pl/articles/298959.pdf
Data publikacji:: 2015
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: capillary trapping
CO2 sequestration
relative permeability hysteresis
Opis:: Capillary trapping is thought to be one of the primary CO2 fixing mechanisms in a porous medium when it is stored. While CO2 is injected, gas displaces formation water (brine) in the process called drainage. In the case of the rock mass wetted by water, formation water remains adsorbed in wall pores and micropores. Once the injection process has been completed, gas is displaced by the natural water in the process referred to as imbibition. In that way CO2, being a non-wetting phase, is held in the form of dispersed bubbles as an immobile phase. The process occurs fast and allows for a regular storage of large amounts of CO2. The process is dependent upon numerous parameters, including capillary pressure and contact angle, but such measurements cannot be easily taken for rock cores in reservoir conditions. Another problem is the fact that it is difficult to separate the impact of such mechanisms as dissolution and mineral trapping. So far capillary trapping has been deeply analyzed in terms of hydrocarbon recovery and contaminant remediation. The goal of this article is to:– present a physiochemical basis of capillary trapping in CCS context,– simulate the impact of relative permeability hysteresis on geological CO2 storage.
Źródło:: AGH Drilling, Oil, Gas; 2015, 32, 4; s. 657-669
2299-4157
2300-7052
Pojawia się w:: AGH Drilling, Oil, Gas
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Analiza zmian przepuszczalności skal dolomitu głównego w strefie przyotworowej na podstawie wyników opróbowania rurowym próbnikiem złoża
Analysis of changing permeability of Main Dolomite rocks in the well zone on the basis of drill stem testing results
Autorzy:: Dubiel, S.
Wojnarowski, P.
Pyrzak, P.
Powiązania:: https://bibliotekanauki.pl/articles/300368.pdf
Data publikacji:: 2010
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: złoże ropy i gazu
anomalne warunki złożowe
dowiercanie i opróbowanie złoża
zmiana przepuszczalności skał w strefie przyotworowej
oil and gas fields
anomalous reservoir conditions
drilling up and testing
change of permeability of rocks in well zone
Opis:: W artykule omówiono warunki geologiczno-złożowe występujące w utworach dolomitu głównego na Niżu Polski oraz ich wpływ na warunki dowiercania i opróbowania tego poziomu produktywnego, ze szczególnym uwzględnieniem uszkodzenia przepuszczalności skał zbiornikowych w strefie przyotworowej. Dokonano analizy zmian przepuszczalności skał dolomitu głównego na podstawie wyników opróbowania rurowym próbnikiem złoża otworu wiertniczego DG-2. Dla tego otworu określono promień strefy przyotworowej o zmniejszonej przepuszczalności skał zbiornikowych
The geologic and reservoir conditions in the Main Dolomite strata of the Polish Lowland as well as their influence on the drilling up conditions and testing of the productive horizon are discussed in the paper with special emphasis on disturbed permeability of rocks in the well zone. The changes of Main Dolomite permeability were analyzed on the basis of the DST DG-2 results. The radius of the well zone of lowered permeability of reservoir rocks was determined.
Źródło:: Wiertnictwo, Nafta, Gaz; 2010, 27, 3; 521-530
1507-0042
Pojawia się w:: Wiertnictwo, Nafta, Gaz
Dostawca treści:: Biblioteka Nauki

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