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Scaling analysis of the In-Situ Upgrading of heavy oil and oil shale

Maes, Julien and Muggeridge, Ann H. and Jackson, Matthew D. and Quintard, Michel and Lapene, Alexandre Scaling analysis of the In-Situ Upgrading of heavy oil and oil shale. (2017) Fuel, 195. 299-313. ISSN 0016-2361

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Official URL: http://dx.doi.org/10.1016/j.fuel.2017.01.072

Abstract

The In-Situ Upgrading (ISU) of heavy oil and oil shale is investigated. We develop a mathematical model for the process and identify the full set of dimensionless numbers describing the model. We demonstrate that for a model with nf fluid components (gas and oil), ns solid components and k chemical reactions, the model was represented by 9 + k x (3 + nf + ns - 2) + 8nf + 2ns dimensionless numbers. We calculated a range of values for each dimensionless numbers from a literature study. Then, we perform a sensitivity analysis using Design of Experiments (DOE) and Response Surface Methodology (RSM) to identify the primary parameters controlling the production time and energy efficiency of the process. The Damköhler numbers, quantifying the ratio of chemical reaction rate to heat conduction rate for each reaction, are found to be the most important parameters of the study. They depend mostly on the activation energy of the reactions and of the heaters temperature. The reduced reaction enthalpies are also important parameters and should be evaluated accurately. We show that for the two test cases considered in this paper, the Damköhler numbers needed to be at least 10 for the process to be efficient. We demonstrate the existence of an optimal heater temperature for the process and obtain a correlation that can be used to estimate it using the minimum of the Damköhler numbers of all reactions.

Item Type:Article
Additional Information:This is an open access article under the CC BY-NC-NDlicense : https://creativecommons.org/licenses/by-nc-nd/4.0/ Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at https://www.sciencedirect.com/science/article/pii/S0016236117300807?via%3Dihub
HAL Id:hal-01704539
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > Total (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Heriot-Watt University (UNITED KINGDOM)
Other partners > Imperial College London (UNITED KINGDOM)
Laboratory name:
Statistics:download
Deposited By: Michel QUINTARD
Deposited On:08 Feb 2018 14:10

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