Combined drive drilling rig

Combined drive drilling rig
*conform to API Spec. 4F, 7K, 8A
*sealed chain transmition drawwork
*every part

Combined drive drilling rig
*conform to API Spec. 4F, 7K, 8A
*sealed chain transmition drawwork
*every part driven uniformly

                                                 Combined drive drilling rig

 

The rig’s drive mode is that the diesel engines provide power and integrated chain compound box transmits power.

 

Drawworks adopts sealed chain transmission with hydraulic disc brake, etc. Drawworks and Mud Pump are driven uniformly.

 

Rotary Table is driven by AC frequency converter and equipped with VFD system; K type mast;

 

Substructure adopts box on box type or spin-lifting type; Mast and substructure are installed at ground level and raised integrally