A new production oil well of more than 3580 meters depth was built for ROSNEFT company

A new controlled directional production oil well of more than 3580 meters depth was built in Krasnoe oil field in Tomsk region for ROSNEFT company by RN-BURENIE. A drilling rig ZJ50DBS equipped  with a top drive DQ70BSQ-JH was used for this purpose. A top drive aftermarket field service support was provided by SLC service engineers working 24 hours 7 days a week with a drilling crew under service agreement with RN-BURENIE company.

DQ70BSQ-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 500 hp each. This allows to perform drilling with a smooth shaft speed changes in the range from 0 to 220 rpm and with a working torque of up to 65 kNm.