Fracturing ball injector

• Main Authors: LEI PENG, SHANG ZIJUN, HAN CHENGCAI, SHI WANTAO
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2023
• 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

A fracturing ball injector comprises a shell middle portion provided with a plurality of linearly-arranged transverse long holes, a ball placing assembly is arranged in the shell middle portion, a plurality of ball storage assemblies corresponding to the transverse long holes are arranged in the ball placing assembly, a ball groove is formed in each ball storage assembly, a ball outlet hole is formed in one side of each ball groove, and the ball outlet holes are communicated with an inner cavity of the shell middle portion. A piston is arranged on the other side, opposite to the ball outlet hole, of the ball groove and fixedly connected with a pressing rod penetrating through the transverse long hole. A blocking ball with the corresponding size can be placed in the ball groove, and when needed, the blocking ball is pushed into the inner cavity in the middle of the shell from the ball outlet hole by pushing the pressing rod and falls out of the inner cavity in the middle of the shell; the device has the advant