Ball throwing device for staged fracturing treatment of ball throwing slip sleeve

• Main Authors: LIU NAN, ZHANG ZIFU, ZHU KAI
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to the technical field of ball injection devices for fracturing, and discloses a ball injection device for staged fracturing treatment of a ball injection slip sleeve, which comprises a three-way pipe, a main funnel and a collecting barrel, wherein a main plug valve is fixedly mounted at the top of the three-way pipe; the outer surface of the connecting cylinder is sleeved with a moon-shaped water baffle capable of guiding, the top of the connecting cylinder is fixedly connected with an auxiliary funnel capable of collecting, and a drainage pipe capable of draining water is inserted into one side of the bottom of the main funnel. According to the ball throwing device for staged fracturing treatment of the ball throwing slip sleeve, through matched arrangement of the moon-shaped water baffle and the connecting cylinder, fracturing balls can be stored through the inclined face of the moon-shaped water baffle, then ball throwing operation is conducted through the connecting cylinder, an