Description
Crossover Subs API 5-1/2" FH BOX & API 6-5/8" REG PIN
The Crossover Subs is one of the main tools for connecting upper and lower drilling tools.The Crossover Subs is produced by the alloy steel for petroleum machinery such as AISI 4130,AISI 4140,AISI 4145H,SAE 4330V which material be heat treatment to meet API specification.
The Crossover Subs is mainly used for the conversion and connection of drilling string tools components in natural gas,coalbed methane,petroleum and geological drilling operations.
The Crossover Subs supplied by nova energy available thread connection is PAC thread,SH thread,NC38 thread,API REG thread,SLH90 thread,FH thread,OH thread,GPDS55 thread,XT55 thread,HLST thread,HLIST thread,DPM ST54 thread etc
