Modeling study of asphaltene adsorption and deposition during natural depletion process
Publish place: 2nd International Conference of Oil, Gas & Petrochemical
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICOGPP02_280
تاریخ نمایه سازی: 29 آبان 1394
Abstract:
In this work, the natural depletion process in a core sample from one of the Iranian oil reservoir was simulated under reservoir conditions to investigate the asphaltene adsorption and deposition phenomena. Mass balance, momentum equations and the Wang asphaltene deposition model were applied to model the dynamic asphaltene deposition process as a two phase system. A Langmuir and Toth adsorption models were used discretely to investigate a monolayer and multilayer asphaltene adsorption onto core surfaces respectively. A computer program was provided and used to calculate the equations with implicit finite difference and a numerical model solved by iteration method. The Genetic algorithm technique was used as an optimization tool for determination of the model parameters. The obtained results showed a model based on the Toth adsorption theory fits better with reported experimental data. This result confirmed the multilayer asphaltene adsorption onto core surfaces.
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Authors
s kashefi
Semnan University,
a sharabadi
Research Institute of Petroleum Industry (RIPI)
m.n lotfollahi
Semnan University,
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