Simulation of Radio Frequency Heating of Heavy Oil Reservoir Using Multi-Physics Coupling of Reservoir Simulation with Electromagnetic Solver

2019 ◽  
Author(s):  
Gary Li ◽  
Xiaoyue Guan ◽  
Hanming Wang ◽  
Song Du ◽  
Dagang Wu ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Reservoir Simulation ◽  
Heavy Oil ◽  
Oil Reservoir ◽  
Radio Frequency Heating ◽  
Heavy Oil Reservoir ◽  
Electromagnetic Solver ◽  
Frequency Heating

Characterization and Prediction of Gas Breakthrough With Cyclic Steam and Gas Stimulation Technique in an Offshore Heavy Oil Reservoir

2016 ◽  
Vol 139 (3) ◽  
Author(s):  
Haijun Wu ◽  
Qingjun Du ◽  
Jian Hou ◽  
Jingsong Li ◽  
Ruxiang Gong ◽  
...  
Keyword(s):  
Regression Model ◽  
Simulation Study ◽  
Reservoir Simulation ◽  
Heavy Oil ◽  
Horizontal Well ◽  
Oil Reservoir ◽  
Calibration Curves ◽  
Heavy Oil Reservoir ◽  
Stimulation Technique

In this paper, a reservoir simulation study was conducted for the characterization and prediction of gas breakthrough during the development of cyclic steam and gas stimulation (CSGS) for a horizontal well. A new concept named the gas breakthrough coefficient (GBC) was proposed to characterize the gas breakthrough degree quantitatively, and a regression model and two calibration curves were established to predict the gas breakthrough degree. The method of foam plugging to inhibit gas breakthrough was also discussed. It was found that the gas breakthrough degree could be well characterized by the GBC and distinguished as four types: weak, moderate, strong, and severe. The regression model and calibration curves could also be used to predict the gas breakthrough degree under different reservoir and development conditions. Foam plugging was found to be effective to inhibit gas breakthrough when the gas breakthrough degree was moderate or strong.

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