A new controlled directional oil well of more than 4080 meters depth was built in Priobskoe oil field in Khanty-Mansiysk Autonomus region

A new controlled directional oil well of more than 4080 meters depth was built in Priobskoe oil field in Khanty-Mansiysk Autonomus region for ROSNEFT company. A drilling rig Uralmash 5000/320 EK-BMCH equipped  with a top drive DQ70BS-JH  was used for this purpose. A non-stop top drive performance was provided by SLC service engineers working 24 hours a day 7 days a week with a drilling crew under service agreement with RN-Burenie  company.

DQ70BS-JH is one of the high performance models of top drives and provides drilling of the wells up to 7000 meters deep (with a 114 mm drill pipe). The top drive is equipped with two asynchronous frequency controlled electric motors with a power of 422 hp each. This allows to perform drilling with a smooth shaft speed changes in the range from 0 to 230 rpm and with a working torque of up to 55 kNm.