Fig. 7

Glass Etching Model Waterflooding ExperimentA: Waterflooding + PEG ExperimentB: Waterflooding + Microsphere Displacement ExperimentC: Waterflooding + PEG + Microsphere Displacement Experiment.

Glass Etching Model Waterflooding ExperimentA: Waterflooding + PEG ExperimentB: Waterflooding + Microsphere Displacement ExperimentC: Waterflooding + PEG + Microsphere Displacement Experiment.