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Abstract Combustion tube experiments were carried out under various conditions to investigate the performance of catalytic in-situ combustion for recovering heavy oil. Compared with baseline experiment, the catalytic combustion exhibited… Click to show full abstract
Abstract Combustion tube experiments were carried out under various conditions to investigate the performance of catalytic in-situ combustion for recovering heavy oil. Compared with baseline experiment, the catalytic combustion exhibited better performance. Fractional oxygen gas in effluent gases was reduced by 2.9%, while fractional carbon dioxide and carbon monoxide was increased by 1.0% and 0.6%, respectively. Oxygen utilization efficiency was increased by 2.1% and apparent H/C atom ratio was lowered by 0.9%. The combustion performance was obtained under optimum experimental condition of air injection rate of 2.9 mL/min, preheated temperature of 190 °C, and grain-size gradation 2.
Journal Title: Petroleum Science and Technology
Year Published: 2019
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