Presented are drilling result of the well on the offshore Shtormovoye gas-condensate field, belonging to SJSC "Thermomorneftegas＇＇. Described is an experience of cutting-through and oriented drilling in production casing of 146-mm diameter; before that similar operations have been conducted mainly in casing of 168-mm diameter. It is noted, that technical means, developed by VNIIBT. down-hole screw deflecting motors of 95-mm diameter, cutting-through device UV-114 and telemetric system "ETO" of 35-mm diameter - have enabled VNIIBT engineers to conduct operations qualitatively and in accordance with schedule; side-tracking and drilling have been conducted with minimum deviations from projected profile.