A new production oil well of more than 3780 meters depth was built in Kuyumbninskoye oil field in Krasnoyarsk region

A new controlled directional production oil-well of more than 3780 meters depth was built by BNGRE drilling company in Kuyumbinskoye oil-field in Krasnoyarsk region for Slavneft company. A drilling rig Metallurg BK 225 EU equipped with a top drive DQ70BS-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 BNGRE company.

The DQ70BS-JH as well as the 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 422 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 55 kNm.