Knuckle Joint The knuckle joint is a simple spherical connecting mechanism with limited turning angle. It is intended to increase flexibility of the tool string. The Knuckle Joint turns in a range of 10 degrees about X and Y axis. A wire through tube coiled with metallic sealed stainless pipes is used as electrical circuit of the Knuckle Joint, This Knuckle Joint features higher strength than previous one.

Applications & Benefits:
 

• Reduce straight length of the tool string, which is helpful for the toolstring to pass through casing collar or move in high deviation or even horizontal holes.
• OD can be customized to meet different requirements
• H2S resistant