A switching device for coiled tubing well logging

The utility model relates to a coiled tubing technical field that logs well, in particular to a switching device for coiled tubing well logging. Does the device's conversion equipment body upper end female joint design have 2 12' 10 STUBACME the 2G screw thread, does conversion equipment body lower extreme female joint design have 2 12' 8 STUBACME the 2G screw thread, it has the navigation key to design respectively in upper end female joint of conversion equipment body and the lower extreme female joint, and conversion equipment body upper end inner wall passes through set screw and connects the connecting cylinder. The utility model discloses a can make coiled tubing and the instrument in the pit of different grade type be connected through connecting different crossover subs, change logging instrument convenient and fast, need not be to the logging instrument of different models and supporting conversion equipment alone, the practicality is strong, and simple structure is convenient for maintain, practices