Tool for opening sliding sleeve

A sliding sleeve opening tool, which comprises an engaging element, a ball seat and a guiding head connected in sequence,

• wherein the engaging element comprises at least two elastic pawls uniformly disposed in a circumferential direction and at least one engaging part disposed on an external circumferential surface of the elastic pawls, and the engaging element is further provided with a first fluid channel which runs through the engaging element, a guiding inclined surface is disposed on an external circumferential surface of an end of the engaging element far from the ball seat;
• wherein the ball seat is provided with a second fluid channel which runs through the ball seat, and within the second fluid channel a bearing surface for bearing a sealing ball is disposed, the second fluid channel being in communication with the first fluid channel;
• and
• wherein the guiding head is provided with a third fluid channel which runs through the guiding head, and the third fluid channel is in communication with the second fluid channel;
• wherein the engaging element is provided with a rubber barrel and an extrusion element is disposed on an outer wall of the ball seat, wherein the extrusion element can be movably disposed on the engaging element and is used for extruding the rubber barrel;
• wherein the extrusion element comprises a ring sleeve which is movably disposed on an inner side of the engaging element and an extrusion sleeve which is sleeved on an outer side of the engaging element, wherein the ring sleeve extends through a plurality of lower pawl parts and is connected to the extrusion sleeve, and wherein the rubber barrel is sleeved on a connector which is connected to a free end of the plurality of lower pawl parts of the engaging element and abuts against a lower end of the extrusion sleeve.