Preparation and wetting mechanism of coal seam composite fracturing fluid modified with κ-carrageenan based on red algae extract

Key Points

• Improved wetting mechanism enhances the effectiveness of coal seam fracturing fluids, contributing to better extraction.
• Testing indicated a significant increase in fluid performance, raising coal recovery rates up to 30%.
• Preparation of the fracturing fluid utilized κ-carrageenan derived from red algae, boosting environmental sustainability.
• Findings suggest potential for broader applications in the oil and gas industry, fostering the use of natural polymers.