| Computer simulation work has been done to simulate the previous laboratory model "carbon dioxide" flooding experiments done by Don Jackson, Gregory Andrews, and the "CO{dollar}sb2{dollar}" foam displacement experiments recently done by Bernard Lescure in the Chemical Engineering Department, University of Houston by using the Todd, Dietrich and Chase Multiflood Simulator. It is a combination mixing parameter and compositional simulator built to simulate miscible flooding processes in oil reservoirs. This work shows that computer simulation can match the laboratory experiments quite well. For these experiments the best match was obtained using values of the mixing parameter which were higher than the accepted value in the case of secondary floods and lower in the case of tertiary floods. For matching the laboratory foam floods, an inverted assignment of components to phases was used in which CO{dollar}sb2{dollar} solubility in the oil phase ranged from 70 to 90 mol percent to give the best fits. |
