The new oil well for ROSNEFT company was ended

The new oil well was finished on Grachevskoe oilfield for ROSNEFT company  with the using of the top drive system DQ70BSQ, which was set on the drilling rig ZJ 50 DBS. The well depth was more than 4300 m.

Performance of the top drive had the following maximum values:

• rotation speed 150 rpm/min;
• torque  16 kNm.

Our customers satisfied with the reliability, security and performance of equipment, the quality and the timing of our work. 

Our top drives are effective in the drilling of obliquely-directional and horizontal wells with long borehole.