The tool enters the design location with the completion string, cooperates with the seal cannula to form an insert seal, wash well acidification, gravel pack and the like. After the cannula is pulled out, the gate valve is closed to prevent backflow.
Features
1. The gate seal, easy to operate, sealed and reliable.
2. With a guiding righting body, to ensure that the intubation in place.
3. With insertion verification device to ensure safe and reliable construction.
4. The front of the tool has a swirling device to ensure the filling effect.