Reviewed are features of drilling and secondary completion of the wells, drilled through productive formations of Middle Ob area fields. Presented are profile and casing and cementing program for horizontal well, utilizing filter FGS and paker PDM. Described in detail are features of side-tracks drilling techniques and technologies. Actual costs of side-tracks drilling are analyzed and advantages of side-tracks drilling in comparison with vertical wells drilling are shown. Comparative results of horizontal wells drilling at Nijnevartovsk region fields are presented.