Bowling releasing tool

The utility model discloses a bowling releasing tool for connect upper portion gas injection tubular column and lower part gas injection tubular column. This releasing tool includes the sliding sleeve, and the sliding sleeve is adorned in the top connection fixedly through the shear pin, is equipped with in the top connection of sliding sleeve below and keeps off the ring, and it is fixed that top connection and a tieback section of thick bamboo pass through the locking piece, is connected a tieback section of thick bamboo with lower connector thread erection bracing ring sum stop collar between the lower part of sliding sleeve and top connection again. The utility model discloses reacing the design and giving up that can to cut the shear pin smoothly behind the pressure down, down in -process is down with the support ring striking through the striking step, makes the locking piece release smoothly, improves the success rate of giving up, makes the gas injection operation implement smoothly, has fine on -the -spot using value and the result of use that is showing.