Abstract
Abstract Effect of a fractured zone on transport of gas-condensates during lean gas recycling through an otherwise homogeneous medium is studied here. Transport of components is upscaled by the alpha factor method for a single-porosity, coarse-grid model. Fine-grid discrete fracture model is used to simulate primary drainage followed by lean gas recycling. Fracture orientation, gravity and capillarity affect alpha factors significantly. Horizontal fractures have lower alpha factors than vertical fractures. Down dip injection increases alpha factors. Capillarity increases alpha factors. Diffusion does not affect alpha factors at the scale studied. Three-dimensionality of the fine-grid simulation decreases alpha factors over those calculated with two-dimensional simulations.
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