Advanced domestic standard. 

The combination of importing and innovation has broken the technical barriers of foreign countries, and has overcome several technical difficulties of optimization design of multi-stage detonation devices, design of special ignition control panels, and development of serialized bridge plugs. The project successfully researched and developed perforating equipment independently, and has formed a complete pumping bridge plug and multi-stage perforating process system. It has been successfully applied to Fuling Shale Phase I and Phase II capacity building with significant economic benefits. It is an innovative achievement in the multi-stage perforating joint process of pumping bridge plugs, with large scale application and remarkable economic benefits. Promotion and application needs to be strengthened.