Скачать или смотреть Chain Traction System in Coiled Tubing Injector Head

Chain traction system is used to provide the necessary force to chains to make a strong grip to CT pipe so that it could move in a controlled manner.

Traction pressure (force) need to increase as we go deeper into the well.

Ratio of traction force to pulling force may be as high as 5:1 depending upon different factors including gripper block condition, tubing surface condition, tubing wall thickness, running speed and the ovality of tubing.

For smooth working of traction cylinders, shock absorbing accumulators are installed in the injector head. The number of accumulators installed in an injector head varies depending upon the injector model.



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