Prediction of Bubble Point Pressure & Asphaltene Onset Pressure During CO۲ Injection Using ANN & ANFIS Models
Publish Year: 1390
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JPSTR-1-2_005
تاریخ نمایه سازی: 29 آذر 1402
Abstract:
Although CO۲ injection is one of the most common methods in enhanced oil recovery, it could alter fluid properties of oil and cause some problems such as asphaltene precipitation. The maximum amount of asphaltene precipitation occurs near the fluid pressure and concentration saturation. According to the description of asphaltene deposition onset, the bubble point pressure has a very special importance in optimization of the miscible CO۲ injection. The purpose of this research is to predict the onset of asphaltene and bubble point pressure of fluid reservoir using artificial intelligence developed models including a software simulator called “Intelligent Proxy Simulator (IPS)” based on structure artificial neural networks and “adaptive neural fuzzy inference system”, which is a combination of fuzzy logic and neural networks. To evaluate the predictions by artificial intelligence networks at the onset of deposition, a solid model using Winprop software was employed. Standing correlations were used for comparison of bubble point pressure. The results obtained using artificial intelligence models in prediction of the onset of asphaltene deposition and bubble point pressure during injection of CO۲ were more accurate than those obtained from the thermodynamics Solid model and the Standing correlation respectively.
Keywords:
Onset Pressure of Asphaltene , Bubble Point Pressure , CO۲ Injection , Back Propagation Algorithm , Swarm Optimizing Algorithm , Adaptive Neural Fuzzy Inference System
Authors
Ehsan Khamehchi
Faculty of Petroleum Engineering, Amirkabir University of Technology
Reza Behvandi
Faculty of Petroleum Engineering, Azad University Science and Research
fariborz rashidi
Amirkabir university of technology
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