Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
Volume 116, Issue -, Pages 124-135Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.petrol.2013.08.054
Keywords
porous media; xxxmultiphase flow; network modeling; asphaltene deposition
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A network model is modified to compute formation damage resulting from asphaltene deposition in porous media containing two-phase flow. The model predictions are compared to experimental data of six core samples under similar reservoir conditions. The model is applied to study the effect of asphaltene deposition on throat size distribution, wettability alterations from water-wet to oil-wet, water and oil relative permeability, and capillary pressure in two mechanisms of drainage and imbibition. The asphaltene induced damage is considered by two mechanisms; the smaller throats are plugged owing to large asphaltene particles and the larger throats diameter is decreased. (C) 2014 Elsevier B.V. All rights reserved.
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