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New directional well for ROSNEFT oil company18 июля 2014 года 18.07.2014
Performance of the top drive had the following maximum values:
- penetration rate: 105 m/s;
- rotation speed 150 rpm./min.;
- torque 30 kNm.
Our top drives are effective in the drilling of obliquely-directional and horizontal wells with long borehole.