Presented are the results of softwear-technological complex "Nasos" implementation in Open Joint Stock Association "Yuganskneftegas". It enables to determine technological conditions and to select pumping equipment for the wells, equipped with sucker-rod and electric submercible pumps; on the basis of development history data to predict wells＇ overhaul period; to select from the multitude of technologically proven options of pumping equipment assembly the most economically viable.