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