API 5CT casing and tubing crossover couplings casing cross over
A Crossover Sub is generally used to connect the drill pipe to the BHA and are also utilized to connect special drilling tools and stabilizers within the BHA. Subs can also be used to protect other tools being run as part of the drill string. Crossover subs are designed to be compatible with tool joints they are connecting to.
Sharpe’s crossover subs are available in Box/ Box, Box/ Pin and Pin/ Pin configurations. All Crossover subs are generally made with AISI 4140/ 4145 material conforming to drill collar.