Horizontal oil well for ROSNEFT company on Samotlorskoe oilfield27 февраля 2017 года 27.02.2017
The new horizontal oil well was finished on Samotlorskoe oilfield for ROSNEFT company, at ambient temperature -42oC, with the using of the top drive system DQ40B, which was set on the drilling rig ZJ-40 CZ. The well depth was more than 3400 m.
Performance of the top drive had the following maximum values:
- rotation speed 140 rpm/min;
- torque 22 kNm.
Our top drives are effective in the drilling of obliquely-directional and horizontal wells with long borehole.