Comparative numerical analysis of different pre-CO2 injection patterns for CO2 hybrid fracturing in shale oil reservoirs

Key Points

• The research aims to compare various pre-CO2 injection patterns for their effectiveness in hybrid fracturing of shale oil reservoirs.
• Conducted numerical analysis using simulation models for different CO2 injection patterns.
• Analyzed the efficiency of each pattern in enhancing oil recovery from shale reservoirs.
• Identified optimal CO2 injection patterns that significantly improved recovery rates.
• Quantified performance differences between injection patterns, highlighting superior methods for fracturing.