Recovery rate sensitivity analysis for fractured carbonate rocks

N. Andrianov, H. M. Nick

Publikation: Bidrag til bog/rapport/konferenceproceedingsKonferenceartikel i proceedingspeer review

Abstrakt

We model the experimental results on waterflooding of fractured chalk block using a numerical simulator and demonstrate that the oil recovery depends nonlinearly on the applied differential pressure. We argue that for small flow velocities, the recovery is mostly affected by capillary forces, and for higher flow velocities–by viscous forces. This interplay is analysed using a sensitivity study for different values of the applied differential pressure. For the test cases considered, we obtain a range of boundary pressures which yield optimal waterflood efficiency. The results are presented for both brine and smart water, which is represented by a relative permeability function with reduced residual oil saturation.

OriginalsprogEngelsk
Titel80th EAGE Conference and Exhibition 2018
UndertitelOpportunities Presented by the Energy Transition
ForlagEuropean Association of Geoscientists and Engineers, EAGE
ISBN (Elektronisk)9789462822542
StatusUdgivet - 2018
Begivenhed80th EAGE Conference and Exhibition 2018: Opportunities Presented by the Energy Transition - Copenhagen, Danmark
Varighed: 11 jun. 201814 jun. 2018

Publikationsserier

Navn80th EAGE Conference and Exhibition 2018: Opportunities Presented by the Energy Transition

Konference

Konference80th EAGE Conference and Exhibition 2018: Opportunities Presented by the Energy Transition
Land/OmrådeDanmark
ByCopenhagen
Periode11/06/1814/06/18

Programområde

  • Programområde 3: Energiressourcer

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