Latch Adaptor PZ-147
The adaptor is mounted in the drilling tubing in areas of possible formation collapse or potential tool replacement areas. The latch adaptor allows disconnecting the drilling string (with the adaptor itself) from the drilling device in case of formation collapse.
|Outside diameter, mm, max||178|
|Inside diameter, mm, min||101|
|Connecting threads (upper and lower) according to GOST 5286, mm||Z-147|
|Ratio of maximal torque to the turning time||2,5-3|