Demonstration of MEOR as an alternative enhanced oil recovery technique in Nigeria offshore oilfield

• Autorzy: Udosoh Nsisong E. , Nwaoha Thaddeus C.

Identyfikatory

DOI

10.30464/jmee.2020.4.3.277

• Języki publikacji: EN

Abstrakty

EN

Eni oilfield has been experiencing production decline with increase in water output. The implementation of enhanced oil recovery (EOR) can help to extract some percentages of the original oil in place (OOIP). EOR methods are capital intensive and few are environmental hazardous. In a bid to address this issues, this paper discusses on an alternate economically viable enhanced oil recovery technique which has the potential to curb the challenges of other conventional EOR methods. This work suggested a 3 stage approach of applying microbial enhanced oil recovery (MEOR) method for oil recovery in Eni field. The reservoir characteristics in Eni field were studied, the average porosity value of the reservoirs is between 0.238 and 0.241, while water saturation ranges between 0.127 and 0.13. Other production data include; Initial reservoir pressure which ranges from 2328 to 2553 Psia and has a reservoir temperature ranging from 170°F to 180°F. The Average API gravity ranges from 20.5 to 34.2, while the initial GOR ranges from 350 to 396. Oil viscosity was between 0.57cp to 2.57cp while gas viscosity was between 0.65cp to 0.67cp. The reservoir characteristics and parameters were found suitable for the application of MEOR technique for effective oil drainage from the delineated reservoir compartments. Microbial flooding was found to be matured in reservoirs with temperature less than 200°F, brine salinity not more than 100,000 ppm, water depth not more than 3500m and permeability should be above 30 (Md). It is recommended that MEOR approach should be applied in Eni Oilfield for increment of oil production and reduction in water cut due to its efficiency and economic viability.

Słowa kluczowe

EN

Eni oilfield; reservoir; permeability; efficiency; microbial; porosity

PL

pole naftowe Eni; zbiornik; przepuszczalność; wydajność; drobnoustroje; porowatość

• Wydawca: Wydawnictwo Uczelniane Politechniki Koszalińskiej
• Czasopismo: Journal of Mechanical and Energy Engineering
• Rocznik: 2020
• Tom: Vol. 4, No 3
• Strony: 277--283
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr.

Twórcy

autor

Udosoh Nsisong E.

• Department of Marine Engineering, Federal University of Petroleum Resources, Effurun, Delta State, Nigeria

autor

Nwaoha Thaddeus C.

• Department of Marine Engineering, Federal University of Petroleum Resources, Effurun, Delta State, Nigeria

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).