Predicting relative permeability from experimental capillary pressure porous plate test for two phase flow

• Autorzy: Czarnota R. , Janiga D. , Stopa J. , Wojnarowski P.

Identyfikatory

DOI

10.7494/drill.2017.34.2.323

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

capillary pressure; relative permeability; crude oil; multiphase flow

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: AGH Drilling, Oil, Gas
• Rocznik: 2017
• Tom: Vol. 34, no. 2
• Strony: 323--334
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Czarnota R.

• AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Krakow, Poland

autor

Janiga D.

• AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Krakow, Poland

autor

Stopa J.

• AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Krakow, Poland

autor

Wojnarowski P.

• AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Krakow, Poland

Bibliografia

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Uwagi

EN

The research leading to these results has received funding from the Polish-Norwegian Research Programme operated by the National Centre for Research and Development under the Norwegian Financial Mechanism 2009-2014 in the frame of Project Contract No. Pol-Nor/235294/99/2014

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).