Comparison of the oil recovery between waterflooding and CO2-EOR method for the JSt oil reservoir

• Autorzy: Kułynycz V. , Janowski P.

Identyfikatory

DOI

10.7494/drill.2017.34.3.787

• Języki publikacji: EN

Abstrakty

EN

Exploitation of oil from the reservoir initially is performed by primary methods that use natural energy reserves, that allows for partial exploitation of geological resources (30%). Further oil resources depletion requires the implementation of appropriate methods to support exploitation, secondary methods, consist mainly in the physical oil displacement and third methods, in which additional types of energy aid the process of exploitation. The use of this methods may contribute up to a twofold increase in the degree of the geological resources depletion. One way to increase the exploitation is the injection of CO2 into the oil fields (CO2-EOR). This gas interacts physically and chemically on the reservoir rocks and oil contained in them, improving the conditions of its production. The technology of CO2 injection into the reservoir allows not only to increase oil production, but also gives the possibility of storing this gas in reservoirs, which is beneficial from the viewpoint of its impact on the environment. In the article was made a comparison of the oil recovery effectiveness between waterflooding and CO2-EOR method for Jastrząbka Stara reservoir. For this purpose, were made simulations of waterflooding and injecting CO2 for selected oil reservoir on the basis of the CO2PROPHET program. We analyzed different variants of injection of water and gas, both the amount of injected media, and the method of injection (only water, only gas, change injection of gas and water). Based on the results of modeling was estimated the amount of oil possible to extract by both methods and the recovery factor of the geological resources of the selected oil reservoir.

Słowa kluczowe

EN

waterflooding; CO2 injection; oil; recovery factor

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: AGH Drilling, Oil, Gas
• Rocznik: 2017
• Tom: Vol. 34, no. 3
• Strony: 787--797
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Kułynycz V.

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

autor

Janowski P.

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

Bibliografia

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Uwagi

EN

Work performed within the statutory research program of AGH UST 11.11.190.555