Author/Authors :
Fereidooni، A. نويسنده Petroleum University of Technology (PUT), Ahwaz Faculty of Petroleum Engineering, Ahwaz, Iran Fereidooni, A. , Fereidooni، M. نويسنده Petroleum University of Technology (PUT), Abadan Faculty of Petroleum Engineering, Abadan, Iran Fereidooni, M. , Moradi، Siyamak نويسنده Faculty of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, I.R. IRAN , , Zargar، Ghasem نويسنده Department of Petroleum Exploration Engineering, Petroleum University of Technology, Abadan, Iran Zargar, Ghasem
Abstract :
Enhanced oil recovery using nitrogen injection is a commonly applied method for pressure
maintenance in conventional reservoirs. Numerical simulations can be practiced for the prediction of
a reservoir performance in the course of injection process; however, a detailed simulation might take
up enormous computer processing time. In such cases, a simple statistical model may be a good
approach to the preliminary prediction of the process without any application of numerical
simulation. In the current work, seven rock/fluid reservoir properties are considered as screening
parameters and those parameters having the most considerable effect on the process are determined
using the combination of experimental design techniques and reservoir simulations. Therefore, the
statistical significance of the main effects and interactions of screening parameters are analyzed
utilizing statistical inference approaches. Finally, the influential parameters are employed to create a
simple statistical model which allows the preliminary prediction of nitrogen injection in terms of a
recovery factor without resorting to numerical simulations.
